Chevy s10 rear end gear ratio. 3 engine that was the donor, had a 3.

42's on 28 spline axles. I am thinking of putting a 383 stroker motor in a '89 chevy s-10 I The rear end swap, built to be tough and added strength, is a 1988-1998 Chevrolet and GMC full size S-10/blazer truck & Sierra/Yukon 5. , 2. 10 or 4. The reason no-one can tell you for sure is simple. I hope that is enough information. Products include ring and pinion sets, installation kits and axle shafts for GM, Ford, Chrysler, Jeep, and Toyota vehicles. Astro, Safari. The Ford 9-inch is the most desirable drag racing rear end because it has a removable carrier, which allows quick rear end changes. 73 ratio, there may be 41 teeth on the ring gear and 11 on the pinion If the engine and transmission deliver 100 lb-ft. 73 models weren't know to have performance gears, they Aug 4, 2008 · The gear ratio determines the carrier. 73 ratio GU4 3. 3L with 5 speeds would have 8. Oct 19, 2014 · 1994 first gen 2. 8 carb trucks with 4WD came factory with 4. 5 inches). The more gears you have, the smaller the difference in ratios will be between them (eg: on a 27 speed bike there would be 9 steps between one gear and another, while on a 3 speed bike there are only 3 steps between each gear). 8 and a T5 will have 3. I am thinking about 3. 5 rear end, also known as the AAM 7. 73 gears open diff. It says C 25 1 and this does not make sence to me. Weber 38 DGES Powered SOLD 1989 Nissan D21 Z24i 8 Wire Wonder 1995 Chevy S10 ext cab 4. just curious, how you arrived at that ratio. 5 S10's with a T5 came with 3. Any ideals would be appreciated. 5" rear axle come in? I just purchased a '97 Stepside with a 4. Use Mar 17, 2023 · Gear Ratio's Effects on Acceleration & Mileage. Years ago, CCI published a list of all the 55-64 axle ratio codes. 5 rear end with the 3. You didn’t identify the number of bolts on the cover. Does anyone know what the available (stock) rear gear ratios were for a 1971 Chevrolet C10 truck? +++++ 2. 5, GM 7. Technically the redline is 6600, but the reality of being able to hit that rpm consistently without engaging fuel cut-off is unlikely, so I used 6500 rpm instead. 07) is ideal considering an overdrive ratio of 0. 55. 8L V6 S10 completely restored with 65,000 miles on body, frame, and rear axle. The standard axle ratio for Chevrolet the highest axle gear ratio possible is what you're after. 10 and higher rearend gear ratios falling in the 4-Series. I have an 85 2. 73 diff ratio: 813 (tire revs per mile) x 3. 73 gear ratio gives you a lot more acceleration and torque, the 3. 73 Ratio, GM, 8. 23 ratio GU6 3. Need help? Our gear and axle experts will be happy to assist at (800) 510-0950 In this series of videos, I will give my best attempt at documenting how to rebuild, and adjust a rear differential on a 2001 Chevy S-10 4. els, May 8, 2017. Current setup - 3. Ford 9" has 3. RPO code can be found on the driver-side door panel or glove box. 3 GMC Jimmy 4x4 fit it and hold up better. so, on 50% day at Pick'n'Pull went and got a GU4/3:08 rearend out of a '95 LS V6 5spd - limited slip unit. 7. 73:1 Ratio, GM, 8. 2" ds / 1" ds front / 3" ds rear with drop shocks. 73" in the stock rearend. Example; the original rear pinion gear on my k10 exploded, and it was cheaper to buy a parts truck with a good axle than to Mar 25, 2016 · The KC code identifies it as a 1974 rear axle assembly with a 3. Charts showing rear axles offered Sep 2, 2023 · The Chevy rear-end gear ratio chart provides accurate information on gear ratios for Chevrolet vehicles. 42 ratio rear end ratio from info that I found from Vin #'s that I have discovered. 10 Bolt Series 2 = 2. See chart below for carrier/case breaks by differential model. 11 Ratio? I have to find a S10 rear end with 4. 1 to 1 in fourth, and 0. Dec 1, 2015 · The gear ratio of any axle can be calculated by dividing the number of teeth on the ring gear by the number of teeth on the pinion gear. 2wd and 4x4 are different widths, and the gear ratios weren't 2. It will be connected to a 4L80 and Dana 60. A (numerically) lower gear ratio, such as 3. 70 Gear 8000 RPM 208. 43 has a higher cruising speed and better fuel economy. a transmission with more gears might allow a truckmaker to offer a Jun 25, 2002 · I can't for the life of me find out what the rear axle gear ratio is on my 1989 S-10 Blazer. Ryan. 31 GW5 Rear Axle 2. Mar 13, 2018 · Inside the 8. S10 blazer 87 2dr 2wd 3. Changing the gear ratio can help to optimize acceleration or top speed, depending on the desired outcome. Jan 24, 2013 · 1. A forum community dedicated to all Chevy Nova Find 1987 CHEVROLET S10 Differential & Rear-End Components and get Free Shipping on Orders Over $109 at Summit Racing! Gear, Ring and Pinion, 3. 67 (4th gear OD ratio) = 2031 rpm @ 60 mph 3. 5" 3:42 disc brake rear. 08=gu4 3. 23, to 3. 17 rear. May 20, 2012 · 1985 2. 64 MPH 191. Automatic 57 cars (both 6 and V8) came with 14inch tires and 3:36 rear gears. 91 gear ratios available (3. The swap is mainly for rear disc brake conversion and plus gear ratio. 10 and I think thatis what you are trying to avoid. A lower numeric axle ratio like 3. Jump to Latest 1998 S-10 - bag project 1996 S-10 - bodydrop project Chevrolet Colorado and GMC Canyon. 5”, 7 5/8”, 8. 73 / THM-400 is about the worst you can get. 43 ratio: Jun 12, 2011 · Pulling the cover is the guaranteed way to find out what you have. Gear Ratio *Required Lube Locker Gasket: Build May 8, 2022 · The gear end ratio is the ratio of the ring and pinion gears in the rear axle. 3 engine that was the donor, had a 3. Ring Gear Bolts: 10 Axle Spline Count: 28 / 26 Axle Shaft Style: Semi-Floating Chevy S10 Blazer 1983 - 2005 Rear GMC S15 Jimmy 1983 - 2005 Rear GMC Envoy Oct 19, 2017 · Most 64 thru 66 chevy trucks have a GM 12 bolt rear end. 33 Third Gear 1. Enter the tire size diameter and the target vehicle speed in MPH. 42 Series 4 = 3. Feb 1, 2014 · What Ben has posted is EXCELLENT info on the S10 rears. All the rest of the ratios will have the code for them. Feb 11, 2013 · 1966 chevy c10 rear-end. 82 MPH 7000 RPM 182. 30 MPH 162. 5 Oct 28, 2010 · that gear, with an overdrive, would be useless in a s10 equipped with 110 horse power. S10 crewcabs with the 7 5/8” axle and S10’s with the 8. Mar 12, 2023 · Before rummaging around in a junkyard, you need to find out what gear ratio, vehicle stock axle width, and rear axle size is. Length 16. but, my project chopped '51 Ford came with a S10 rearend that best I can tell by turning rear tire around two full turns and counting the number of times yoke on rearend turns came up with 3:42. 55 GV7 Rear Axle 4. 73 (diff ratio) = 3032 (driveshaft rpm) x . 73 rear but since it had factory ac it got the 3. Even the 2. It is 2 wheel drive, 700r4 automatic, 4. Swapping out the entire differential is not that much of a hassle, and most of the trucks I have seen, including mine, have been swapped at some point. The right side rear end housing has 3896839 stamped on it. I hope this will help to identify the rear end. 70 GX2 Rear Axle 3. 33 GX4 Rear Axle Jul 19, 2011 · If you went to a 3. 5/7. If you can't find a '55 - '57 Chevy rear, many folks use an S10 rear (believe from a 4wd), or an early Camaro/Nova rear. Oct 30, 2020 · I have a 2000 gmc sonoma with the gt4 rear end, 3. OPENED A 1966 REAR DIFF TODAY. 5 OVERALL or effective rear gear ratio. 00 Fifth Gear 0. Sep 19, 2005 · I have a 71 chevy truck rear end, and I am trying to identify what ratio is in it using the number to the left facing the rear end. Click “Calculate Gear Ratio”. 26 MPH Jan 6, 2020 · Determining the vehicle's overall ratio is as simple as multiplying the first-gear ratio by the rear-axle ratio (e. 56 GW4 Rear Axle 3. 2009 Chevrolet Tahoe Identify your GMC or Chevrolet rear end gear ratio by the RPO Codes, usually located on the placard labeled “Service Parts Identification” inside the drivers door panel or glove box. 2019 Chevy Silverado Gear ratio changes are possible as long as the ratio selected is within the range of ratios available for the carrier. 5's were only a 28 spline axle. 73). Find all of the gear ratios available for your vehicle in our Application Guides. Nothing on reverse ratio, but you could assume its its between 4 and 3. 625 rear end was the most common housing used in GM G-body car vehicles. That's pretty extreme and it winds up fast. Chevy 10- and 12-bolt axle assemblies have been standard equipment on GM passenger cars, muscle cars, and trucks for decades. of torque to the gear, and the gear ratio is 4. 11's in a LSD differential. Inner Pinion Bearing. There are other axles (Buick/Olds/Pontiac) that had similar gear ratios available but would have been rare from the factory. Jun 16, 2008 · 10 to 1 OVERALL or effective rearend gear ratio is about optimal for the track so 10/3. My car is a '25 with a turtle deck rear so I have the 2WD version of the S10 rear. Mar 16, 2010 · Also, the axle tubes on a 7. 2/TH400/4:10s the tow pig Feb 2, 2009 · anyone have a gear ratio for a 1991 chevy s10 with a 2. 10 Rear Axle Gear Ratio I bet the farm you will find the G80/GT4 though likely this thread will get dumped because not talking traditional parts. Any idea what I Nov 19, 2013 · Rear Axle Ratio Charts For 1967 - 1972 GM Trucks The 1967 - 1972 Chevrolet & GMC Pickups 11 were stamped into the edge of the ring gear it would be a 3. 5" Chevy S-10 gears will fit the H-Body case, but for installation in an H-Body rear the S-10 pinion gear requires Timken bearing #16143, Timken bearing race #16283, and National seal #8610, S-10 pinion yoke, and "Combination" U-joint (Dana #5-3022X). You can get a lot of different gear ratios if you want to rebuild a rearend. 97 MPH 6500 RPM 169. May 29, 2007 · A 4. See What gear ratio do I need in FAQ for a discussion on choosing a ratio. GM 8. Can someone shed some light? Thanks! Apr 11, 2017 · Every square ive had that wasnt a 4wd after 81 had 3. 5 liter motor, what gear ratio. 410 or 390 gears. I think a THM-350 has a little deeper 1st gear. Gear ratio changes are possible as long as the ratio selected is within the range of ratios available for the carrier. Jan 24, 2011 · I have a transmission out of a '94 S10 with a 4. The S-10 pinion gear requires Timken bearing #16143, Timken bearing race #16283, and National seal #8610, S-10 pinion yoke, and "Combination" U-joint (Dana #5-3022X). Your vehicle will probably run at different RPM’s than those you calculate. 3 because the ratio will be 3. How much HP can these stock rear ends handle In these 2. 08:1 rear gear ratio. 78 Reverse 3. Chart showing transfer cases offered and gear ratios. Rear end gear ratio is boiled down to lower numerical values giving better acceleration, torque, top speeds, and better fuel economy. 625 rear end. The s10 8. 9-4" wider but not sure if that measurement is over the 4wd or 2wd--could be over the 4wd. I plan on later in the year to either rebuild the stock 350 or get a replacement with at least 350hp. You can count the ring teeth and divide by the pinion teeth for the ratio. Rear axle ratios can be found by looking at the sticker in the glove box that has the RPO codes on it. 93 GX1 Rear Axle 3. 73 - down (smaller numerically) Series 3 = 2. 08. of course the axle is held in by clips inside the rear, so if pulling the cover anyway, its best to just count teeth on the gears while there to get the ratio. 56 - down (smaller numerically) Series 3 = 2. 52 and multiplying that by the 4. 10=gt4 G80=posi trac How many quarts of gear oil does a Sierra Gear & Axle is a premium line of light-duty differential parts. Sep 10, 2020 · I have a 2015 Chevy 2500HD with a 4. ei, 3 and a bit will be 308, 3 just shy of a half will be 342. 08:1, will provide better fuel economy but slower acceleration than a gear ratio that is numerically higher. 43 and 3. 7liter ls1/ls6 v8 rear end swap kit. 6”. Debating on 305 small block or a 350. 15 75/15 should give you about 1694 rpm @ 65 mph. 89 is more common). 73:1, or 4. g. People frequently put higher ratios in weaker cars actually (ie: Honda S2000s with 4 Oct 7, 2023 · GMC SONOMA CHEVY S10 REAR END 7. What rear end ratio are people using. 73 ring Find CHEVROLET S10 Differential & Rear-End Components and get Free Shipping on Orders Over $109 at Summit Racing! Gear, Ring and Pinion, 3. These rear ends are compatible with specific chevy models and years, with variations based on gear ratios and axle offsets. 03 Feb 27, 2007 · Posi/limited slip/G80 was optional in most S10's I believe, and it may have been standard or mandatory in some models (like the SS. May 13, 2009 · If you use an S-10 rear end make sure it's the one from a v-6 4. 10 rear ratio. Those are about the only stock ratios in first gen's that I know of. 92s in the ram. May 22, 2008 · what is the RPO code for 4. 1958-1970 Full size Chevy rear differential identification chart. Too tall for any long distance travel May 12, 2018 · Bob: I believe your rear axle ratio (3. Truck 12 Bolt Series 2 = 2. 48 x 4. thats why i was hoping that the 4x4 was atleast a 4. 07 GX3 Transaxle 3. Oil capacity: 1 gallon Rated GVW: 7500 lbs. 08 rear but it did not come from the factory with that ratio. This comprehensive chart helps vehicle owners determine the gear ratio of their vehicle’s rear end, which is important for determining factors such as towing capacity, fuel efficiency, and overall performance. If the car is not a posi, you will not get a true reading. 56 MPH 167. 5 inches, or 10. Removed the drive shaft and plugged the tranny. 07 rearend gear x 3. How good of condition they are in I do hot know. you have. com. 42 ratio GT4 3. its slow as hell and has no balls. 08). Lump Rear Axle 3. 8 motor and 5speed . 34 MPH 151. So in the OM the 2500 Double Cab shows the 6. The question of which one is the better option can best be answered by the specific application intended for your vehicle. Tapered roller bearing elements that support and allow the pinion gear to rotate within the axle or final drive housing This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors Jul 12, 2002 · that is correct. 52 MPH 155. 4 700 r4 trans. 08, you would probably not have enough mechanical leverage (called torque) to run 5th gear on anything but flat or downhill grades. 08 gears. Alternatively, the GM rear end can be identified by the diameter of the ring gear (7. Guys truck still has the factory 6 lug rear end along with it's 4. You will see all the RPO codes there. 7; that coupled up with 2. 42. But it sure feels like it. 1986 Chevy C20- Banks 6. 42 1st gear trans ratio = 10. The rugged, reliable, and efficient Chevy 12-bolt has established itself as the preeminent rear differential for GM muscle cars since its debut in 1965. 08:1 in the same car with identical torque, the output torque would drop considerably to 308 lb-ft (100 x 3. 37 ring teeth divided by 10 pinion = 3. 08 Gear MPH 3. 5" rear ends that came stock in fullsizes, but I believe the fullsize truck 8. 73=gt4,gq1 4. 3 liter, and came factory with 205/75/15s. T Jul 31, 2020 · S-10 4x4 aren't real spendy and a bit of hunting finds decent gear ratios. My front axle measures 48 1/8" center to center of the kingpins and my 155/80x15 front tires measure 58 3/8" center to center of the tread and 63 7/8" outside to outside on the tread. S10 54. Unless someone has replaced the rear end with something different, that's what should be in there. 08 gear ratio GU6-3. For example, a lower gear ratio can provide quicker acceleration, while a higher gear ratio can improve top speed. Dec 3, 2022 · I am in the processing of swapping out rear ends on my pickup using a blazer rear end. I would like to find out what the gear ratio is, but can't find the numbers everyone tells me to look for. Chevy Rear End Gear Ratio Chart. 5l. Auto @ 6500 redline 1 - 39 mph | 4. Step 3a- crack the rear cover open, spin the wheels until you can see the numbers and letters stamped on the gears, and read the numbers. I recently purchased a 56 210. etc. 25 outside width 67 Nova 57. Mar 27, 2013 · First gear is 2. 8 v-6 will probably be geareds to low for you. Overdrive three speed stick cars came with 4:11 gears. Truck has been swapped with a 1995 t5 out of a 2. 5 has axle tubes that get wider towards the center section. 25 GW2 Rear Axle 2. 3L Vortec. Jul 17, 2015 · For the differential, look for - GU2 2. also have models with 3rd shock, THIS UNIT IS 51" END TO END gm made one 55" end to end to @@! rear end with axles drums and backing plates. 5 in Jan 20, 2011 · You have the common 7. 10 ratio GQ1 Open Differential Rear Axle G80 GOV-LOC Rear Axle That's what the van was BUILT with. But no gear ratio? - Answered by a verified Chevy Mechanic We use cookies to give you the best possible experience on our website. 08:1 Ratio, GM, 8. The bearing and race are for the gear-side of the pinion, not the yoke end. All. 6, and GM 7. Engine: Vortec 2200 L4: Vortec 4300 V6 Apr 11, 2016 · Pull the cover or roll the car on the ground and count the pinion revolutions. If you reuse the Vega axles, check if the carrier of the S-10 is a 26-spline unit. 48 MPH 143. (100 x 4. Ive always sworn that it had a 3. 73 and lower rearend gear ratios falling in the 2-Series, 3. The 2. damn near every s10 with the 4cyl and auto tranny has 4. 5" rear axles. Therefore, the numbers are more accurately described as 3. 11 gears b/c my truck's went bad, and my glove box sticker is gone. 73 gear ratio GT5-4. Rebuilt 3 speed automatic TH350. Oct 12, 2012 · I have a 1993 s10 that originally had a 2. 73:1 Ratio, GM, 7. 73 Rear Axle Gear Ratio GT5 - 4. 73=gu2 3. 03. S-10 rear end yoke, S-10 drums (if you use the S-10 axles). It is generally not worth rebuilding your rear, it takes time and tools to set the assembly correctly, not to mention expensive bearings and replacement parts. 11 gears. Aug 29, 2011 · A 1991 S10 with a 2. Other differentials include the full line of Eaton Tru-trac and clutch style differentials. 76 - 3. 3:42 rear end would serve you perfectly for what you are looking to do . very few 7. Jul 24, 2013 · For the most part, series numbers can be determined by your gear ratio, with 2. 68 MPH 7500 RPM 195. 42 Ratio 130k OEM (Fits: Chevrolet S10) Differential Covers Rear for Chevy Olds S10 Pickup SET,CURRIE REAR END Find 2000 CHEVROLET S10 Differential & Rear-End Components and get Free Shipping on Orders Over $109 at Summit Racing! Gear, Ring and Pinion, 3. 73 axle ratio 1988 Chevy S10- 358 SBC/TH700R4/3. 42 then found a Bravada that had an LSD and swapped carriers there 3 speed manual 😒 Aug 2, 2005 · Are there and S10/Blazer LSD rear ends that are a direct bolt on to my S10. Apr 17, 2017 · Below are the speeds by gear, using stock height rear tire with stock rear gear ratio's for the given transmission, gear ratio to the far right. 5 are the same size all the way across. An 8. 438 inches and has 25 splines. can get this rear for my project but not sure on gear ratio without pulling Jan 30, 2015 · The Blazer and 4WD models have about 4. Jul 4, 2012 · They will be the same regardless of gear ratio as long as it's not a posi. 625 Jul 14, 2019 · You definitely need to figure out what axle you have (stock or something swapped). For a 3. 42 rear axle ratio may reduce the intensity of work a vehicle’s engine has to do at normal highway speeds, thereby improving fuel economy Source: motivegear. 92! Therefore the next rearend gear set up is the 3. 8. Component Breakdown Axle Ratio. You'll have to clean the area pretty thoroughly with solvent and a wire brush to see it. Feb 15, 2019 · Ram uses an 8 speed with a deeper first gear ratio than the gm 8 speed and on par with the GM 10 speed and you can get 3. 01 Second Gear 2. I have dug around a bit, but cant really find a solid answer to my question. 27 GW8 Rear Axle 4. 0 gears. 73's on 26 spline axles. As others have noted here the 1st gear in a 700r4 is a very short gear 3:06. Gear ratios, VIN numbers, RPO codes, open- or limited-slip (locking) differentials doesn't make a difference if all you need is the axle. 08 rear ratio. 50 ring gear. According to Chevy High Performance, the 7. The gear ratio has a significant impact on a vehicle's acceleration and fuel efficiency. Typical gearing in a s10 are 3. 72 (overdrive) in fifth. By reducing the overall ratio, you'll increase the torque that you can feel at take off. 11 rear would give you 10. 17:1). rear end has been noisy and getting warm. 11s for the low end pull and the overdrive would keep the RPMs down on the highway. 10 gear ratio GU4-3. Jun 16, 2011 · Rear End Gear Ratios. 73 my 95 is 2wd but i wanted to swap axles to the 4x4 axle cuz they are wider. I've got a 34 Coupe with what I was told is an S10 rear axle. 8 auto with the same RPO tag. The pinion diameter is 1. 11 GV8 Rear Axle 2. The earlier 2. Last time I bought a stock rear frame the bone yard I got it from an extra cab that was a 3. Chevrolet truck VIN numbers deciphered. It's a 3. My truck is an 03 s10 standard cab 2wd and the rear end to be swapped in came out of a 02 2 door blazer. 25 MPH 173. 08: 1, 3. Aug 1, 2013 · I agree with big gear head. the zr2 came with 31s factory and my 2wd with 31s SUX. In the case of the Chevy S10 rear end width, the mounting width between the disc brake drums is 54. The Chevrolet S-10 pickup truck, one of the first compact models manufactured by a domestic auto maker, was equipped with three different rear-differentials, or rear ends. Sierra Gear & Axle parts are designed and engineered to the highest quality specifications for use in street, off-road and performance environments. 36 Gear MPH 3. I have been told that I will need to replace the gears in the rear end. I think the logic was that normally this would have had the 2. Knowing how to calculate the rear end gear ratio to choose the right one is not a must but an advantage, and Jun 9, 2010 · In my stock 80 LWB C10 350 3spd auto th350, the stock rear end is a 2. 11:1 Ratio, 1. Oct 7, 2020 · Using Transmission Gear Ratio: 1 gives these RPM data: Engine Speed (RPM) MPH 3. 625 GM Chevy S10 Complete 9 Rear End Package-Fits: Chevy S10 *Description is for basic package with default options. 42 And 3. 0L V8 with both 3. I think I checked the axle tube once and it had the code for a 3. 10:1. 5" rear end. 36 overall. The top right side of axle tube has KDA W0232 stamped on it. but if the gearing is the same as the 2wd then im still gonna have to re gear it. The Spicer design (a copy of the Dana 44 rear end) was designed to use the axle itself as the inner race of the wheel bearing (the bearings rides on the cast iron axle instead of a forged steel inner race that every other rear end manufacture uses). Inner. 2-inch 10-bolt, the ring-gear bolts have 9/16-inch socket heads with 3/8-24 left-hand threads. For a Ford 9 inch rear end, swapping differentials and 9 inch gears is fairly easy as it has a removable third member. 2 S10. 73 ratio. SHARE POST #21 Jul 12, 2014 · For simplicity, I generally calculate at 60 mph - here's how the tire size/gearing/rpm formula pencils out for my current set up, and for the ratio changes I'm considering. Nov 19, 2014 · Non posi 10 bolt rear. The gear ratio codes are located on the front passenger side of Nov 22, 2013 · The Camaro T5 from a V8 application has the most favorable gear ratios, V6 Camaros not so much, although they're still decent, the worst are 4cyl S10 T5s. On the front of the passengers side axle, I found KXN C167 2. 5-inch was standard until 1993, when the previously optional 7. 10 gear is a great idea if you want more low end power. 10 GW9 Rear Axle (GU3) 2. 65 ring and pinion. 5L four in the mid-eighties were geared; 3. Enter the maximum potential safe engine RPM. I do not have the vehicle it came out of, so I do not know any VIN codes or any other information. Here is the gear/locker codes:drink G80 - Locking Rear Differential GT4 - 3. Are you really making more power? No. 42 models, this unit is 51" end to end. ) The 4wd is wider than the 2wd and the ZR2 is wider yet, 3. Auto trans. In other words with that short first gear and anything deeper that 3:42 or 3:55 max its gonna burn out TOO much . Sep 24, 2010 · I have an 85 scottsdale 1/2 ton w/700r4 and im trying to figure out my rear axle ratio. Join to discuss rebuilds May 9, 2011 · The current axle ratio is 2. 44 MPH 130. For example, an axle with 41 ring gear teeth and 11 pinion gear teeth would have a 3. 10 Axle Ratio. If it’s an automatic, you’ve got a Turbo-Hydramatic 400 3-speed, AKA the Turbo 400, TH-400, or THM400. The left side of axle tube has Gm 64 Stampd on it. 68/79 Nova and It's same body different brand clones are 60. mine is a 3. However, the smaller 10-bolt unfairly gained the reputation as a weak […] Mar 9, 2005 · Gear Ratios: NV3500 First Gear 4. 57 Specifications Dry weight: 100 lbs. 56:1, the output torque to the rear wheels would be 456 lb-ft. Rear-End / Differential Gear Ratio Calculator. 42 Rear Ratio Good For? The 3. I hope this chart will help you find what your looking for. You don't need any mods to support a 4. The first gear is so low as to be almost unusable. What would be the budget upgrade? Will a rear out of a 1999 4. 08s the fun truck. 8 5sp 2wd, title reads 1994. I drive the car daily so I want to have some kind of economy mind and am wondering what most folks recommend for a daily driver. 42 gear ratio G80- Positraction, Limited Slip Jul 1, 2015 · Your axle ratio, transmission ratios, and even tire diameter all factor in, so be sure to look at the big picture. In the glove box it codes it as the GQ1 "standard rear axle ratio". /2 of the gear ratio. Feb 27, 2007 · Posi/limited slip/G80 was optional in most S10's I believe, and it may have been standard or mandatory in some models (like the SS. 5" 10 Bolt Gear & Posi Package Description Package Includes: (1) Limited Slip Positraction Carrier (Choose Spline Count Above)(1) Ring and Pinion Gear Set (Choose Ratio Above)(1) Differential Master Install Kit - Our Rigid Axle Eaton style limited-slip positraction unit uses carbon fiber and steel friction p Apr 14, 2021 · Rosco, your rear end may very well be a 3. 42s since it is a very common gear ratio. and most times Feb 9, 2010 · Sorry to jump in on this but what models did the 8. Contemplating changing my gear ratio from 3. 2 trucks. At some point a 1988 4. 1995 and newer S-trucks equipped with the Aug 28, 2016 · The highest ratio I normally see are 3. 6l. 42 third. 73 gear ratio (41/11 =3. 1998-2003 Chevrolet S10 Rear Axle Assembly 3. Nov 1, 2005 · If the speedometer reads faster now that means you have a taller(numerically higher) gear than previously. I know there were optional gear ratios, but does anyone know what the standard gear ratio would likely have been for: 1971 Chevrolet C10 (non Cheyenne) 350 V-8, 4V carb TH350 automatic transmission 1/2 ton, long bed 2WD (non 4WD) Find 1997 CHEVROLET S10 Differential & Rear-End Components and get Free Shipping on Orders Over $109 at Summit Racing! Gear, Ring and Pinion, 4. Apr 30, 2017 · What and where is the tight fit? I used a 67 Nova rear last time and was really happy but those are like hens teeth so looking at the very narrow S10. These weld on axle seats have the offset hole to position the rear correctly in the wheel well and are the correct 1-3/4 wide. The axle ratio is derived from dividing the number of teeth on the ring gear by the number of teeth on the pinion gear. Sep 19, 2011 · Hello, I want to know what gear ratio i have in the rear end of my 1977 pick up. 625 Oct 22, 2022 · What is the rear end gear ratio for 1994 Chevy S10 blazer? Check in your glove box for the code 2. Are there any other Chevy models (Camaro) that would fit? What is the gear ratio on my stock open rear end, and would a numerically higher LSD rear give me more low end pulling power, say, pulling a boat out of the water? Thanks! Sep 24, 2020 · Rear Axle Gear Ratios. Code GT5. 25 and are easy to find most of the time but usually have 2 something or 3. 10 gears will increase the GCWR or Max Trailer Weight (MTW). 10 rear end and towing 5th wheel. More splines = stronger. I'm hoping someone can help clarify if the 4. 18 second, 1. Some of the real early 2. Says the same for the rear end code. Oct 17, 2009 · Also depends on what trans. Also on the housing I found GM2 K. 56). 08 instead. 42 may reduce the intensity of work a vehicle’s Additionally, upgrading the gearing ratio can have a major impact on the performance of the Chevy 10 Bolt Rear End. Oct 27, 2017 · Hey Greg, as long as it’s stock, it’s pretty straightforward. 11 gearing. I am wanting to get a G80 limited slip for better traction and was wanting to know what gear ratio the g80 has, how well it performs, and if it would be a direct bolt up to my current driveshaft. 07. With a taller gear ratio of 3. 2002 Chevrolet S-10 Specs, Equipment, Information. Find 1998 CHEVROLET S10 Differential & Rear-End Components and get Free Shipping on Orders Over $109 at Summit Racing! Gear, Ring and Pinion, 4. 73 ratio GT5 4. 2l s10. And you really need to factor tire height in here too b/c it plays in here too. 73 and 4. The axle spline count, if NOT known for sure, is best found by pulling an axle. in process of Jan 17, 2011 · Got another 55 Chevy truck question. The value will be returned in estimated differential gear ratio, based on the entered values… 1998 - 2005 Chevrolet S-10 Rear Axle Brake Line Set Disc 4X4 Oe Steel Preformed (For: Chevrolet S10) Ring Gear/Pinion Rear Axle 4. A few of the 2nd gen trucks got an upgraded 8. so long as the trans is not an overdrive the final gear is 1:1 so it really deosn;t matter what kind of trans you have. The new LSX U joints that come with the kit allow for the tight turning of the axle shafts and have been greased, protected against rust, and will never need repacking. On the housing, the # 14030352 and the letter M are present. 76 first, 2. If you use the 4cyl S-10 the ratio will be 4. Find 1995 CHEVROLET S10 Differential & Rear-End Components and get Free Shipping on Orders Over $109 at Summit Racing! Ring and Pinion Gear, 3. 42=gu6 3. 11 MPH 6000 RPM 156. 5 S10 Rear End, 91 S10, and GM Gear Ratio Codes Apr 17, 2008 · C51 qmc: I have a 1984 GM S10 blazer the rear end code is GQ1. Jan 14, 2008 · you could get some 28 spline axles, new posi, new ring and pinion, install kit, and after about $800+ for parts, and find someone to set up the gears for you and in the end it is still only a 7. 70 ratio. 5 is a 30 spline. 08 ratio GU5 3. 5 inches, 8. 625 10 bolt May 26, 2013 · I'm putting LS motor in my '57 Chevy pickup. 5 stock rear end which I believe is the 4. Feb 8, 2014 · thats crazy how they are most 3. What do gear ratios tell us? gear ratio: The number of rotations of the crank arms per revolution of the rear wheel. 10 Ratio from 1995 Chevy S10 Aug 1, 2007 · This question doesn't really have anything to do with the gear ratio but is about the rear end. It's equivalent to the M20 muncie with a 5. Mar 9, 2010 · The rear axle speed sensor is located on the differential housing above the pinion gear, which is why you need the ABS reluctor of the appropriate number of teeth for the gear ratio you have. 10 gear. . I thought 4. It could be a 10- or 12-bolt. 75 outside width Is the S10 too narrow? Thanks The 7. I will be towing occasionally and need to be able to get a 3000LB trailer. 2-inch. 60 MPH 179. After driving about 20 miles, I stopped at an intersection and the rear end just locked up tight! Tires just barking. 5-inch ring gear diameter – not the 8. 73 GW6 Rear Axle 3. Do you know what rpm your running in 5th gear? There are glove box rpo codes you can use to see what the truck came with stock. If you found a scrap yard to sell you just the left side axle out of a rear assembly for $80, then that is probably your cheapest option. 42 or 3. Buick, chevrolet, olds. Currie 9-inch rear-ends for 1982 thru 1997 Chevy S-10/Blazer and GMC S-15/Jimmy 2WD trucks and SUVs are complete, ready-to-bolt-in assemblies, with a choice of popular differential type, gear ratio, and brake options, making it easy to customize the package to meet almost any need Jun 27, 2014 · Standard Axle Ratios. . 08 to 3. Its also a factory ac car. 3. What are the drawbacks of keeping the stock gears and going with a more powerful motor? May 31, 2023 · Chevy has a range of rear ends, most commonly the gm 10-bolt and the gm 14-bolt. If the ABS system sees the driveshaft RPM rapidly drop during braking, it will assume that one or both of the rear wheels have locked up and will release Find 1994 CHEVROLET S10 Differential & Rear-End Components and get Free Shipping on Orders Over $109 at Summit Racing! Gear, Ring and Pinion, 3. Thanks. Camaro. This will burn more gas and let the engine rev faster. 23 would be a pretty good match for an LS1. 5 Feb 9, 2012 · where pp=number of pinion gear teeth, rr=number of ring (or crown) gear teeth, and your ratio = rr÷pp 3. 39 Fourth Gear 1. 5" rear end, and is considerably stronger. they need to use the low gear ratio to multiply the little amount of torque the 4cyl puts out. I am needing to know the gear ratios in this transmission, so I can put the correct rear end gear under my truck. 5-5" more overall width and works well for 26 and newer fender-less roadsters, and 23 style T's with narrower rear wheels. Rear. I was thinking of 4. Stick shift 57 cars came with 14 inch tires and 3:55 gears. Jan 26, 2010 · Your car probably had a 370 rear end in it from the factory. 3. May 19, 2021 · Was wanting to get some info about the 7. Canyon, Colorado. 3 engine was installed in this truck. Find 1999 CHEVROLET S10 Differential & Rear-End Components and get Free Shipping on Orders Over $109 at Summit Racing! Gear, Ring and Pinion, 4. JUST UPDATING REAR GEAR RATIO. 73 - up (larger numerically) Apr 1, 2012 · S10 blazer 85 2dr 2wd sbc,200 4r trans. However, only experts are allowed to do this. 10 in a 1998 extended cab 2. in your classic full size Chevy. I thought it was a two digit # like HC. Print this list and take it with you when your hunting rear axles. T Jun 17, 2020 · You can get another s10 rear axle like you have that has 3. I think that the 1988 4. We will assume it is a 10-bolt – but that makes it a plenty strong 8. 3 Z 40,000 Miles On Rebuild. To know your Chevy’s rear-end gear ratio, check the table using your RPO code. Aug 13, 2012 · My 88 Dime with the 2. Nov 4, 2008 · That being said, most s-10's came witht he 7. 89 and 3. supercharger to a bone-stock Chevy 350 bottom end Feb 3, 2014 · You can use this information to determine what you have: GT4-3. With the rear end in the air and transmission in neutral, turn both wheels at the same time and in the same direction, and watch the pinion shaft (this may not be possible with AWD). 75 (incl Tcase adapter) Case material: cast aluminum Rated Torque 300 ft/lbs (conservative) Input shaft & spline 1-1/8" 10 spline Jun 20, 2010 · The easiest way to find out what gears you have in your truck, is to look in the glove box. 10 = 10. 5 to 1. The code G80 in your glove box means that your vehicle came with a factory automatic locking rear differential made by Eaton. My Porsche runs like a scalded ape in first gear and it's overall ratio is 13. A 3. 86 s10 what size rear end, 86 s10 what size rear end, 2. 56 GW3 Rear Axle 2. The code I'm referring to is stamped not cast, and it's on the passenger side of the 3rd member housing, midway up. Mar 14, 2024 · The Differences Between 3. I put the car on a dolly to tow home. Quick ratio box,33 mm front bar / 23 mm rear. The GM 10 Bolt 7. Also many second generation 4x4 blazers had disk brakes. 39 MPH 141. It is a 5-Speed Manual transmission. 72 GV9 Rear Axle 4. I have read through a lot of the old threads but can't seem to find definite answers. 8 engine. Like all Chevy 10-bolts, the axles are retained by C-clips on the inner end of the axle shaft inside the carrier. Please help me out if anyone knows. 625-inch became standard. They are similar to the 8. The S10 came with a 7. 5" leaf spring rearend choices exist. 3L and 5 speed with the ZQ8 package and it has a 7 5/8" with 3. Find 1993 CHEVROLET S10 Differential & Rear-End Components and get Free Shipping on Orders Over $109 at Summit Racing! Gear, Ring and Pinion, 3. 73. It is listed as rear standard ratio. There a Feb 11, 2018 · All 12 bolt rear ends have a 30 spline axle. S-series. Rear axles can be identified by a code stamped on the front of the right axle tube about 3 inches out from the carrier and 30 to 45 degrees above horizontal or on a metal tag attached to a rear cover bolt. not worried about speedometer being off. i seem to be getting bad gas milage and am wondering what the stock gear ratio Chevy S10 Rear End Gear Ratio: Q&A on 8. Charts showing engines offered. 08 My 82 350/350th 84 305/700r4 86's 350/350th This leads me to think that 3. 73 - up (larger numerically) Dec 5, 2018 · The standard gear ratio for a 4x4 is 3. I've been reviewing the Chevy Owner's Manual, which is not based on the Duramax Diesel. Step 3- 2 ways to find out gear ratio. 6 came with rear disk brakes. This ratio is the number of teeth on the ring (driven gear) divided by the number of teeth on the pinion (drive gear). 07'S. 56 on any i know of. HAVE 3. 36 GV5 Rear Axle 3. 5 has a non G80 7. 08-3. 42's. 90 rearend gear ratios falling in the 3-Series, and 4. 5”, or an 8. 73 Rear Axle Ratio What Is A 3. The first time you wade into the gears’ universe, you will encounter several terms such as gear ratio, rear end, gear systems or ‘trains,’ etc. Apr 29, 2005 · Closest I have is that the S-10 T5s behind the 2. I have a 1991 chevy s10 rwd with a 2. 08 was super popular in 80's due to cafe regulations saying that a certain number of vehicles had to meet mpg rules. 42 1st gear ratio = 2. 6 disc brakes w/ thorsen 3"42 . Oct 11, 2021 · In short, the core differences are the 3. A improperly set up rear end will quickly fail. 5 inches wide, and that’s just right for a T-Bucket with some fat rear tires. going to swap it out but would like to go with a gu5 or gu4 if its possible. 1 full revolution of the tire and count the revolutions of the pinion will tell you the ratio, while it's on the ground rolling straight. pjt xrqd wtguai rbanr zlrnuo yynam xmmh ydiy bqkyuhgkp gbtzqk