If you can easily rotate the wheel without the other one moving, chances are very good it's an open rear end or an extremely worn posi. Semifloating: The weight of the vehicle rides on the axleshaft, which also spins the wheel. I've recently bought a used 97 Chevy truck with the 5. 07:1 ratio 12-bolt, the vehicle was assembled in January, and the transmission is a Saginaw 4-speed. Not all vehicles are set up the same, even though they may be the same make and model. Used 2015 Chevrolet Tahoe, from Red McCombs Hyundai Northwest in San Antonio, TX, 78249. That would price the axle assembly at $143 including a $20 core charge. Rear axle ratio, differential type, manufacturer, and build date information is stamped on the right axle tube on the forward side. She will only lite up the rear passenger tire! This is fun to do but I am getting sick of having to rotate the tires all the rime. 05 tire rotations for 2 engine rotations, which figures out to a rear end ratio of 3. Hypertech speedometer calibrator for GM trucks 2006 to current. Can someone tell me what my gear ratio is with my vin number…. Although the hints are often subtle, most impending failures give fair warning in the form of noise. Its a 5spd auto with a 4. I have a 10 bolt rear end in my 83 c10 and I'm trying to figure out what my gear ratio is, can anyone let me know if there is some kind of number I can find on the rear end and type in somewhere on the web? or how I can figure out my gear ratio?. How To Find Axle Ratio From Vin. Ford Rear Axle Assembly Identification Stamped axle codes Ford used a vast array of rear ends over the years. 10 gear ratio. What Gear Ratio is My Rearend? You can find your gear ratio easily with this method. C2 Corvette Restoration by the Numbers: What to Look For General Motors, like all the other car manufacturers of the time, did not put much valuable information on the vehicle identification number (VIN) plate. See How Gears Work for more information on gear ratios. 73 gear ratio requires 3. 2 10 Bolt Differential Parts - Posi Units - Gears - Bearing Kits - 10 bolt cover with 8. It consists of a two or three letter prefix representing the gear ratio code, four-digit number for the assembly date in a month/day format and a single. Ordering the right axle ratio can further help tailor a new GMC truck or SUV to your particular needs. Model specific subject matter experts, classified ads and more. Thats why the default ratio for the e cabs is 3. 50"), drum-brake-only package. 92 gears, no towing package, but i also have the corporate axle, but i cant remember if it is 8. I am wondering if there is a vin code to tell me my gear ratio in my 91 rodeo. I'm assuming it is 3. Dear Ole Mechanic; I have a 2003 Chevy ¾ ton HD pickup with a 6. 55 rear end center section is an original used two-pinion type with cast arma-steel housing. ) is bigger than the driven gear, the latter will turn more quickly, and vice versa. i have a 1986 monte carlo ss vin # XXXXX and im try to find out what the runnin gear is it has the original rear end. I believe the 4. Rear Axle Code example: CB G 112 1 E (CB = Ratio, G = Plant, 112 = 112th day of year, 1 = shift, E = Positraction Source) Assembly Plant Codes Buick - B Buffalo - C Cadillac - D Detriot Gear & Axle - G GM of Canada - K Warren, MI - W Oldsmobile - O Pontiac - P Pontiac/Canada - M Shift: D or 1 = Day shift| N or 2 = Night shift Positraction. Also, (except for the truck 4 speed and the HD 3 speed gearboxes) most of the gearsets could be applied in any 1932-48 passenger gearbox, and any 1932-51 pickup truck gearbox. the easiest way to check gear ratios is to jack up one side of your rear end and with the transmission in neutral spin the tire thats in the air. 30 gears in their axle is because the transmission ratios are insanely tall. The automatic transmission equipped models had the rear gear ratio changed to 3. The original engine, transmission, and rear axle is the very same that General Motors installed in the car at the Norwood Ohio factory assembly plant in January of 1969. There should be a tag on the rear axle. My Chevrolet Parts and Accessories Catalog, circa 1972, only shows the gear ratio service part numbers so it is quite possible one or the other was discontinued in favor of a 'service' part. No Tundra offers 3. Chevrolet Silverado: Which Axle Ratio Do I Have? It is easy to check what gear ratio you have in your truck. Do one of two things: #1. 50 ratio, etc. It was not the only axle used, but was by far one of the best. 73 gear ratio requires 3. 42 to 1 axle ratio then you should go with a 3. The easy way to pick the rear you want is to go to the u-pull it,write down the vin# from 4 or 5 prospects, call the parts department of your Gm dealership, they can give you the gear ratio & tell you wether it is posi or not. The number of driveshaft rotations is your rearend ratio. There are different 3 different gear ratios offered, the Gear Ratio RPO codes are: 3. A good rear axle out of those is pricey. Read our latest Chevrolet How-to Tech and DIY articles, photos, step by step tips and more of Camaro, Corvette and Chevy from Super Chevy Speedway Motors’ G-Comp Unser Edition Rear. those are the only full floaters that gm used. 08s, then the engine must turn 3. No lol, there aren't 4. It hasn't been determined with any certainty what vehicles got the 6. You could look up the vin. (thanks baljoint). Hi All, What are some of the advantages of a T5 with the 3. Not all vehicles are set up the same, even though they may be the same make and model. The identification code should be stamped on the bottom or font of right axle tube either adjacent to the carrier housing or about 8" - 10" inboard. History and Identification of Chevy 10 and 12 Bolt Chevy Differentials Chevy 10- and 12-bolt axle assemblies have been standard equipment on GM passenger cars, muscle cars, and trucks for decades. So from what I've gathered by the RPO sticker in the glovebox, my truck has 3. what is your 6th gear ratio, size of tires, and rpm in 6th gear at 70 mph and ill tell you what ratio it is. 10 axle ratio. Since 8-bolts were. NEXT PAGE. Its a 5spd auto with a 4. From the ever dependable Silverado to the speedy Corvette and the rugged Blazer, Chevy makes vehicles for a wide range of functions. They are being used for educational purposes only. Blazers from 1969 through 1981 also used this differential (four-wheel-drive Blazers had it installed on the rear only). I'm trying to figure out which number determines my gear ratio. The numbers will be what you need to tell what the ratio is. 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. Dana design axles from 1977 thru 1980. It's a very well written piece and if you scroll down about 3/4 of the write up you'll find a nice 72' K5 that I'm sure we'd all love to have sitting in the driveway!. ZL1 Camaro Registry. It could be a 10- or 12-bolt. The gear ratio codes are located on the front passenger side of the differential as shown in the illustration below. You can search Chevrolet SILVERADO parts by VIN number. This will recalibrate the computer settings for those who have larger than stock tires, it will also recalibrate the truck for any change in rear end gear ratio. the easy way to find the ratio is to open the case spin the. The identification code should be stamped on the bottom or font of right axle tube either adjacent to the carrier housing or about 8" - 10" inboard. However, if one has a 4x4 like you do, there is also a front differential tag that has your axle ratio on it. CONVERTING NON POSI REAR END TO POSI ‘55 – ‘64 Chevrolet passenger car and ’56 – ’62 Corvette By Tom Parsons This article will be specifically directed at converting the 55-64 Chevrolet full size pass car and 56-62 Corvette NON-positraction rear end to positraction using an Eaton aftermarket posi unit. 2014 Chevy Camaro 1LE, which features a new, more-streamlined front fascia, Hood and heat extractor that also moves air to help create down force. GM RPO Axle Code Notes. Below are the stock gear codes found in the glove box. Once you know, you can understand why it gets better fuel mileage or has better pulling power. The first (and I'm assuming original) rear axle differential assembly was in the dump bed when I purchased the truck. 8-cylinder engine codes are stamped on the right side of the engine block and 6-cylinder engine codes are stamped on the right hand side of the block behind the distributor. Uses 28 spline c/clip axles. 625 inch ring gear, 26 spline axle 1990 to 1992: 7. For type: limited slip or not. Roadkill Customs has become the de facto resource for low budget, back yard builders and do-it-yourself hot rodders. Drivetrain com Discount Automotive and Truck Parts Ring and Pinions, Transmission and Transfer Case Parts, Overdrives, Positractions, Towing products Free technical support 800 216 1632. 3 turbo or V8 did not have it. While this article focuses specifically on the GM 8. Yes, find the axle code on the door sticker. 10 gear ratio. It consists of a two or three letter prefix representing the gear ratio code, four-digit number for the assembly date in a month/day format and a single. Introduction of the LT1, rated at 275 horsepower. I am trying to figure out what my differential gear ratio is. com Gear ratio info from gnttype. 5 Ring Gear Size 3. We had a bus in the shop about a month ago having the rear end swapped out for another one so that it could maintain highway speeds — this was a privately owned church bus, not a school bus. i have a 1986 monte carlo ss vin # XXXXX and im try to find out what the runnin gear is it has the original rear end. Campbell You're going to need the vehicle identification number (VIN) number to obtain the axle ratio for your Chevrolet Truck, but even after you decipher the VIN and its sequential meaning, you're going to have to do more leg work. If for example you have a rear gear ratio of 3. Rear axle ratio, differential type, manufacturer, and build date information is stamped on the right axle tube on the forward side. If it comes out as something other than that, you know that the VIN Number is made up. Roadkill Customs has become the de facto resource for low budget, back yard builders and do-it-yourself hot rodders. The final gear ratio generally refers to the rear end gearing. 54 gears and the NV4500. The term "setting the gear ratio" generally refers to the gears in the rear end. 14-Bolt Gear Setup. I learned that the best way to find out is to remove the rear end cover and put a wrench on a ring gear bolt - if it takes a 7/16 wrench, it's the smaller 8. The standard ratio also is biased more toward fuel economy. Detroit Locker also offers a 30-spline locker for the rear Dana 35. 1985-2014 Chevrolet Suburban. 75" (12 bolt) rear differential. Rear Axle Ratio - 2011 Chevy Silverado 1500. 73's to conteract this. Below are the stock gear codes found in the glove box. 73 driveshaft rotations to turn your tires once around. Dodge Ram 2009-Present: Gear Ratio Information Gear ratios are tricky to understand, so let's talk about some basics and see if we can sort some things out. or just give us ur VIN number 2001 ford ranger XLT/4. What exactly does a gear ratio mean? In the context of the final drive ratio (rear end), it's the number of turns the driveshaft makes per turn of the axle. The thirdmember type center section allows a racer to have multiple gear ratios available and is much easier to change than a rear loading type rear end. vin system naannnnnnnnnn vin division code c—chevrolet t—gmc engine series cab cooe (gvw class) chassis booi type or type model designator noncnoa punt seueice code last digit of model year 1978 medium & heavy duty vin data cab chassis type or 106" conventional cab 0—54" aluminum tilt tandem f—54" aluminum h—92" conventional cab. If that is not there, there are other ways of figuring it out, just search forum and you will find numerous threads on it. 07:1 ratio 12-bolt, the vehicle was assembled in January, and the transmission is a Saginaw 4-speed. Get a great deal! Our used auto parts locator service will help you get a great deal on the used differentials you need for your car, truck, SUV or van. Detroit Locker also offers a 30-spline locker for the rear Dana 35. Remove the brake drums by tapping firmly around the rear edge while pulling outward. Axle shaft length: 30 5/32" Rear Axle Identification & Decoding Identify the gear ratio, the build date, the plant where it was assembled the work shift when it was assembled, and positraction source - if equipped. My door sticker says I have a d3 rear end what ratio would that be,its a 2001 exploer spot 4x4 enter VIN, and click minor features. On all late model axle assemblies, the axle ratios are designed to meet emission standards for areas of. It's a big job and won't be cheap, but the car should handle OK. In 1973-1980 GM Trucks had a series of VIN numbers stamped on the engine block and transmission. 73 to a higher speed (lower number) ratio like a 3. If you can easily rotate the wheel without the other one moving, chances are very good it's an open rear end or an extremely worn posi. number, that would tell you also. Buick/Olds/Pontiac axles are typically retained with bearings. Rear Axle Ratio - 2011 Chevy Silverado 1500. 73 rear differential and it came with a 6 cylinder engine. 3L Power Stroke Diesel - VIN number decode for Gear ratio???? - Hey Guys, Is there any way of telling the gear ratio from the vin number? if not, is there any other way to find out besides the axle tag??. 11 rear gear axle ratio, adding extra wear to the engine and to your mental state. In order to get an approximation of the gear ratio you will need to rotate the raised wheel 720° (two full turns) while counting the number of turns of the yoke. Some of the shop manuals get vague on these trailering option ratios and refer to them as Special Car Order rear axles. 30 is for the 4x4. If so, PartRequest. History and Identification of Chevy 10 and 12 Bolt Chevy Differentials Chevy 10- and 12-bolt axle assemblies have been standard equipment on GM passenger cars, muscle cars, and trucks for decades. The ratio for you courier with standard trans is 4. (Note: be sure to check for differences in rear brake hose location and fittings between the housings). The term "setting the gear ratio" generally refers to the gears in the rear end. Sahara and X models come standard with 3. The codes are: B for Buick, C for Buffalo, G for Chevrolet-Gear and Axle, K or M for GM of Canada, O for Oldsmobile, P for Pontiac and W for Warren. Determine Gear Ratio by VIN I am having the hardest time figuring out my rear diff ratio. 73:1 rear end with the transmission in 1 to 1 third gear like the TH-350 or TH-400 in high gear, your engine would be turning approximately 2889 RPM at 60 MPH. A rear gear training. What rear end ratio is in my Ford , do I have positraction? - Drivetrain. (Accurate identification using the GM RPO code assumes that the rear end has not been previously modified) The prefix is usually F, G or H when referring to. It’s also important to note that any previous swapping of gear sets or rear end gears will make this method of identifying the types of differentials of little use to you. If it is at 2k RPM, you have the 3. If you want to find the ratio then you can remove the rear differential cover and spin the wheels by hand to turn the gears and find the number on the carrier gear. The reason no-one can tell you for sure is simple. Cover Charge. 57 seconds at 100. You wouldn't be able to tell the differnce between the two without tearing the rear end apart and counting the teeth on the ring gear. How Do You Identify a Chevy Through a Rear-End Axle Code? The Chevy’s rear axle code contains information on the vehicle’s gear ratio, date of manufacture and the rear axle assembly plant. Also see AMC Automatic Transmissions Chart. 56) (see more formulas at bottom of page) The below table can be used to get a rough idea on gear ratios. Tri-color decal separates upper paint from lower body color. Vehicle performance can be greatly improved by optimizing gearing for your intended application. This will tell you what ratio the Jeep originally had and likely should still have. 10 RATIO (OPT GT5). Car Brakes: How Do You Know When to Change Them? By Zach Bowman For those who suffer a daily commute through heavy traffic, your vehicle's braking system can bring thousands of pounds of metal, plastic and empty Starbucks cups to a stop hundreds of times before you get to work. Share Thread Since using the other numbers gives me ratio that is unheard of, also my rear end gunk is dark red and smelly, no filings. Buy high quality used 2007 Chevrolet Silverado 2500 HD Rear Axle Assembly cheap and fast. Both of these are semi-floating axles. At the end of the equation, hopefully come out with the number that is in the 9th spot. but the fuel Consumshion is Very Bad too. Re: Chevy 2500 Gasser Axle Ratio? While I concur low rear end ratios are vital for heavy towing, for only 600-700 miles of major towing a year you'll be paying a large amount in extra fuel with the 4. Below is the VIN tag on my little ranger. Gear ratio calculator for your Chevrolet. The Venerable 12-Bolt Chevrolet March - April 2003 Lane Racing And Rodding Article By Jim Kaekel, Jr. 73 max Other transmission info from decoder:. Differential Ring and Pinion Gear Kit. Positive identification of the Corporation (Chevrolet) axle versus the Dana axle is necessary for proper selection and ordering of service replacement parts. Rear Axle Ratio - 2011 Chevy Silverado 1500. Does any one have any back on the gas mileage for the above configurations. 5" Posi Install "How To" Chevy C10 Truck. Stock #: 1007 | VIN#: 2CNFLCEW9A6359707. Gears need to be matched in a 4x4 between the two axles, but there is a slight bit of room for err there. Axle 3rd member ratios: 8" 5 lug 2wd - 3:07 all 6lug 4wd 8" 3rd's will also bolt on to this axle housing. Do one of two things: #1. 625 inch ring gear, 26 spline axle 1990 to 1992: 7. Not far off your claimed 4. While this article focuses specifically on the GM 8. This is an original used OEM Rear Axle Assembly, Passenger Side Rear that's guaranteed to fit a 2005 Chevrolet Silverado with the applicable vehicle manufacturer's specifications (). 8, on a 1993 Explorer, 4X4 last 8 digits of VIN UB53274 Axle Tag : S625A Door Sticker Info: D1 Axle Thanks for any help you can provide !. How do you tell rear end ratio on 1978 Chevy truck? You can call the dealer and give them the Vin# And thet can tell what gear ratio it is. Like all Chevy 10-bolts, the axles are retained by C-clips on the inner end of the axle shaft inside the carrier. When a car makes a turn, the wheels must spin at different speeds. • To move the seat forward or rearward, slide the seat control forward or rearward. This is fully updated with new parts & includes new axles installed. Produced from 1957 to 1987 by the Ford Motor Company, it was used in full size Ford, Mercury and Lincoln passenger cars, ½ ton pickups and vans and even in some. If it comes out as something other than that, you know that the VIN Number is made up. 0 liter V8 and automatic transmission. While many enthusiasts are concerned with horsepower and torque numbers, thoughts of proper gearing are often set aside. See tech tips for more info on this. For instance, if the rear end ratio of your car is high, it will accelerate much faster but its top speed will be reduced. Hey I was wondering what the gear ratio was for a 2002 4wd Access Cab V8? Or could someone give me the VIN code or door jamb code to figure it out, thanks. 30 gear ratio. I then used this method on a friend's car before he pulled the rear end out. If you take a few moments to study the gear chart for your transmission and rear end ratio combination you will see why this product is so popular. At 60 MPH the tach is at about 3500 RPMs. Roadkill Customs has become the de facto resource for low budget, back yard builders and do-it-yourself hot rodders. Lets look at these two perfectly rount gears. Shop Jeep Differentials and related parts for your vehicle. (Note: be sure to check for differences in rear brake hose location and fittings between the housings). Once you know, you can understand why it gets better fuel mileage or has better pulling power. The codes are: B for Buick, C for Buffalo, G for Chevrolet-Gear and Axle, K or M for GM of Canada, O for Oldsmobile, P for Pontiac and W for Warren. Motors and transmission and transfer cases, rear axles, including all gear ratios offered during what model years, with what engines etc. I have anice little ford vin decoder, just enter the complete vin, and it spits back the info anyone have a good resource for an 05 chev truck with the vin above? All I really want out of it is the rear end gear ratio & engine size. I found out that i could call a dealership and get some info on the truck by giving them the VIN#. Next you can pull out the pinion gear, complete with the rear pinion bearing. Car Brakes: How Do You Know When to Change Them? By Zach Bowman For those who suffer a daily commute through heavy traffic, your vehicle's braking system can bring thousands of pounds of metal, plastic and empty Starbucks cups to a stop hundreds of times before you get to work. 1977 Z85 Rally Sport Package - Includes special contrasting (Gray, Blue, Buckskin or low-gloss black) paint treatment on hood, header panel, grill, headlamp bezels, top of fenders, front part of roof, upper portion of doors, rear end panel and license plate opening. You can take your vin# to the dealer parts counter and they can. 95 1st gear coupled with a 3. Price is $200 or best reasonable offer. Nothing like a direct physical experiment to tell the truth about what your car's made of. the 8th is engine, T = V8 4. 8" rear end (99-01 and 03-04). The 4- and 6-cyl gears will run on the coast side in the front axle, likewise, a high-pinion, reverse-cut differential will run on the coast side in a rear axle application. (will that even bolt up) any way what is a web site where i can decipher the vin number and find out the ratio. I have tried looking online at some of the vin decoders, even the ones that were posted here, but i don't see where it lists it. One of it's functions is splitting the power from the transmission between the front and rear axle. 0 seconds, and 0-to-100 mph in 14. Ford 1/2-ton Pickup Truck, 112-inch wheelbase (Chassis 81-C, Body Type 830) The 1938 model year pickup truck featured the first totally new cab since 1935. All differentials are fitted with new bearings, carriers, ring and pinion, as well as yokes and seals. I have a 2014, Toyota Tacoma Double Cab, short bed, V6 4L, auto trans, 2 wheel drive with 265/65/17 stock tires & rims. A rear gear training. Carefully count the number of full revolutions the driveshaft makes. Numbers on axle H172, C3121 D368 Numbers on axle H172, C3121 D368 Call (404)361-8785, Monday - Friday 8:30 - 5:30 pm or E mail if your in need of Lift gate Repairs, or Trailer Repairs, or. Below are the stock gear codes found in the glove box. The first (and I'm assuming original) rear axle differential assembly was in the dump bed when I purchased the truck. Rear end needs rebuild front diff is still in operational condition. 438 inches, and has 25 splines. need to know the gear ratio on a 98 f-150 theres a guy parting a 98 150 on craigs list. Choosing between rear-and four-wheel drive and selecting an engine are key steps when purchasing a new pickup truck or SUV, but paying attention to axle ratios is also important. 1987 GMC V 13-14 SUBURBAN 1500 FRONT DIFFERENTIAL 3. The rear axle identification code consists of at least a two letter prefix indicating the gear ratio, a letter for the GM Division, and three digits indicating the day of the year from January 1. O yeah I have heard that uping the gear ratio will give me more noticable torque and might decrease my gas mileage. 4 Sep 2005 FGAWR. As a general rule, when dealing with two gears, if the drive gear (the one directly receiving rotational force from the engine, motor, etc. On the tag you should see some numbering such as 3. The only reason Toyota went 4. I was referencing the data that Chevy provided for the 1970 model year. there are 4 lines that run opposite of each other. From the ever dependable Silverado to the speedy Corvette and the rugged Blazer, Chevy makes vehicles for a wide range of functions. Luckily Chevy didn’t just stick a hopped-up engine and special rear axle in the 454SS and call it a day. Camaro axles are stamped, usually on the passenger side tube, with an assembly code that lists the date of assembly, place of assembly as well as a letter code that can be decoded to tell the original gear ratio. 70:1 rear axle was also tested by Car and Driver in June 1971 and it could do 0-to-60 mph in 6. The Z51 package also adds larger stabilizer bars, stiffer springs and shocks, and more aggressive gear ratios, and both models have independent double-wishbone suspension front and rear. It also is on your vehicle's title. these rear ends can be found on all 4-speed manual 4-cylinder trucks. If you don't know what the rear end ratio is in your truck it can be calculated from other info that you may know. This will help you pick the right size tires, transmission and gear ratio combination for your classic. 1L gas engine Fits 2001-2007 applications with allison transmission & 6 speed manual. The gear ratio codes are located on the front passenger side of the differential as shown in the illustration below. 81) than the Toyota with 4. I'll just email them back and see if the truck has a Trans temp gauge and tow mirrors though. Codes are as follows: Note "W" on the code is for standard differential, while "Y" on the code is for locking differential or "Posi" rear ends. number, that would tell you also. My 2001 has a Tow package and I it came with like 3. Divide ring gear # by Pinion gear # to get rear end ratio. 8" rear end (99-01 and 03-04). Find all of the gear ratios available for your vehicle in our Application Guides or call our staff of differential experts at (800) 510-0950 for LIVE help. There are several ways to determine your gear ratio. DANA 41 The 41, which has a ring gear size similar to the Dana 44, came in early CJ-2As. To determine the ring gear diameter you need to measure the outside diameter of the ring gear. When a car makes a turn, the wheels must spin at different speeds. This is an original used OEM Rear Axle Assembly that's guaranteed to fit a 2002 Chevrolet S10 Pickup with the applicable vehicle manufacturer's specifications (). list of modern GM rpo codes/option codes for general motors vehicles. In 2008, the only optional factory gear ratio available is now 3. This means cutting 2. the guy i bought it from said they were stock but who knows. I have seen ring and pinion sets as low as 4. Rear Axle Assembly Codes The rear axle ratio may be determined by finding the two- or three-letter serial number prefix in the following table. 54 times to the wheels turning one, full rotation. • To recline the seatback, press the vertical control rearward. Wheel Bearing - Repair or Replace A failed wheel Models, Gear, Ratio, May - OEM Chevrolet Part # 9412405 (09412405, RW20-28, RW2028). Look for a tag under one of the diff cover bolts in the 9 o'clock position. How to Find the Rear Axle Ratio Code of your Truck DCS Tuning How to Easily Find Rear End Gear Ratios. Holden vehicles fitted with Chevrolet V8 engines used the 1. Gears need to be matched in a 4x4 between the two axles, but there is a slight bit of room for err there. As a general rule, when dealing with two gears, if the drive gear (the one directly receiving rotational force from the engine, motor, etc. 55 gear and the rear has 3. Also i was wondering if i had the 3. Ring Gear Torque = input torque x axle ratio. Am thinking about getting the rear end changed to a 3. The 4- and 6-cyl gears will run on the coast side in the front axle, likewise, a high-pinion, reverse-cut differential will run on the coast side in a rear axle application. Its on the rear, underside of the front differential. Re: rear brake size, 9" or 10", how to tell? before you buy from advance, go to their online site and order from there and choose to pick up from store. 73:1 gears at 4,400 rpm. This will tell you what ratio the Jeep originally had and likely should still have. 08 RATIO GU5 -- AXLE REAR, 3. How to pick a gear ratio: A lot of thought goes into picking the rear end gears. The convertible was gone for '93 but was again available with a Z28 in '94 and up until the end in 2002. This is an overlooked, dependable rear axle assembly that should be revisited as a rear end of choice. rear end chuck, dont want to doubt you but i believe it is either a dana 60 or dana 70 rear. She will only lite up the rear passenger tire! This is fun to do but I am getting sick of having to rotate the tires all the rime. Your salesman probably came from a Ford/Chevy dealership as they offer 3. com's parts locating service can help you find quality used Chevrolet differentials from reputable salvage yards located throughout the United States and Canada. The most common GM unit for the 1982 to 1992 Camaro is the Saginaw style 10 bolt Chevy differential. If you want to upgrade/change ratios, there's plenty of info on that in other threads. You can also take the numbers stamped on the input shaft of the rear diff, divide the first number by the second and that will give you the ratio. 10 ratio grears in it from the Factory. hopefully you haven't cracked it open yet. There is very little difference between a 3. How to Determine Your Axle Gear Ratio People who are buying a used vehicle, or shopping for an axle from a junk yard, frequently need to know what the ring and pinion gear ratio is in the axle's differential, as well as whether or not the axle has some sort of traction control device like a limited slip, locker, or spool. You are here: Home Tech Articles Front / Rear Differentials Ford Rear Axle Identification - Page 13 Want to link to this site? Please save this banner to your hard drive to place on your webpage. Decoding Your AMC Trasmission & Rear Axle by Eddie Stakes. Analyzing the serial number or VIN (Vehicle Identification Number). 73 gear ratio requires 3. ) Tire Height - Please use Inches when measuring; Speedo Revolutions Per Mile - The number of RPM's the speedometer needs to turn at 60mph. I am wondering if there is a vin code to tell me my gear ratio in my 91 rodeo. I'm sure there's an advantage in fuel economy with the newer trucks and the double over drive, but the gearing doesn't hold it back from going down the road at high speed unloaded. Can someone tell me how to determine what exact gear ratio I have on my car? (1957 Chevy Bel Air Sport Coupe) I think its 3. Buyer is responsible for verifying compatibility with their vehicle. However, if one has a 4x4 like you do, there is also a front differential tag that has your axle ratio on it. Besides the codes stamped into the axle tubes, some carried ratio and/or posi tags as well as the vehicle having a plate containing coded info on the rearend. Standard Rear Axle Ratio, 3. AXLE REAR, STD RATIO GT4 -- AXLE REAR, 3. I am trying to figure out what my differential gear ratio is. Learn how to find a VIN number on your car. what you need to do is remove the rear end plate and count the teeth on the ring gear, then count the teath on the pinion gear. hi there i just bought a 2006 dodge ram 1500 SLT 4X4 quad cab with a 5. 1985-2014 Chevrolet Suburban. 54 gears and the NV4500. It's very easy to know what type of differential is on your car, just stop on the bottom side of the road with a wheel on the asphalt and the other in the ground/grass/gravel. Refer to the owner’s or service manual for your car in order to find the correct type of gear oil to purchase. Some of them will be re-sold to dealers and had different VINS then a production 2014 ZL1. While many enthusiasts are concerned with horsepower and torque numbers, thoughts of proper gearing are often set aside. 53 to get the revs down and thus save on fuel. C3 Corvette Rear Axle Ratios & Identification Codes Positraction became standard equipment in 1970 and the reference of Standard axle codes is in conflict. Chevrolet or “C” type rear ends typically have C-clips retaining the axles. Take that information with the VIN number to any dealership and they can get the gear ratio and tell you what type of rear axle is in the vehicle. For an gear ratio of 3. For the lucky few who have an intact tag number or tube stamp, here are some steps for sorting through Dana and Ford differentials.