How To Tell Rear End Gear Ratio By Vin Chevy

10s, then if you want highway rpms lower, then you could re-gear to 3. You didn't identify the number of bolts on the cover. I can't see your window sticker (web filter at work) but if it doesn't say 3. Standard Gear Ratio on the Chevy Silverado 1500. If you think your axle gearing has not been changed since it left the factory, you can read and decipher the "axle code" from your vehicle information plate (VIN). 30 is for the 4x4. Used 2010 Ford Fusion from CARR Chevrolet in Beaverton, OR, 97006. Inside the 8. 92 chevy k1500 4x4: i tell what rear end gear ratio is. 3 ways to find rear end gear ratios. 00 as this is the typical 4th gear ratio of most 4 sp and 5 sp manual transmissions. 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. CCKW Axle Types Split Axles: These look a little like two funnels bolted over a ring gear. So for example if the driveshaft rotates 3 1/4 times per rotation of the tire, you have a 3. 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. Skip navigation How to Easily Find Rear End Gear Ratios chud327. 55 rear end center section is an original used two-pinion type with cast arma-steel housing. If not towing, you want the best fuel economy you can get, and if you are towing, you want to make sure your truck will do the job. C3 Corvette Rear Axle Ratios & Identification Codes Positraction became standard equipment in 1970 and the reference of Standard axle codes is in conflict. 11) will have better acceleration every time as compared to that same car with a 2. Use drain plug 40039752. I then used this method on a friend's car before he pulled the rear end out. The stamped numbers on the left or right axle tube can also identify the axle. Chevy 1500 p/u 4wd 88-89 10 Bolt Cover 8. 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. The 10-bolt differential fits all passenger cars. Read the tech article on a 10-Bolt Identification Guide, brought to you by the experts at Chevy High Performance Magazine. Quadrasteer was an option in 2002–2005 GM full size, single rear wheel trucks. This number contains vital information about the car, such as its manufacturer, year of production, the plant it was produced in, type of engine, model and more. Axle Code The first two digits of the axle code identify the ratio and capacity of the rear axle. No way because at the end of the day its a throw away SUV but I think today's CR-Vs and RAV4s are throw away also and they do not discount them much. Call (574) 546-2727 for more information. 8" rear axle. Rear Axle Codes. 1957 chevy rear gear ratio I have a stock rearend out of my 1957 chevy and am trying to figure out the ratio without opening the rearend. Thats why the default ratio for the e cabs is 3. If you're looking for a 2019 Honda Ridgeline vehicle in Edinburg, TX, come to Fiesta Chevrolet to buy or lease this Ridgeline. There will be a small tag on the differential housing cover. The standard equipment was the 2. The suspension was revised and a rear stabilizer bar was added. My 2001 has a Tow package and I it came with like 3. Rear-Axle Ratio Spec Guidelines. 50:1 ring and pinion gear ratio. If it has wood parts, it is a 60C. Call (678) 922-2073 for more information. Detailed, step-by-step instruction for setting up gears in a GM 10. Divide the ring gear teeth number by the number of teeth on the pinion. If you can choose the gear ratio with the LSD it depends on if you are one of those who buys a truck and then worries about milage (3. When the gears came out, sure enough, they were 3. 7L 350 just wondering if anybody knows the axles gear ratio my truck has, its stock gears and ratio, can't really find it anywhere, i thought i saw somewhere that said 3. Call (509) 586-3185 for more information. Note "W" on the code is for standard differential, while "Y" on the code is for locking differential or "Posi" rear ends. GM differentials come in a wide range of sizes. 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. The rear axle differential assembly in my 1964 Chevy C60 was actually a replacement unit. Rear Axle Gears and Driveshaft. com Gear ratio info from gnttype. The rear end is original as is tranny. The gear ratio depended on the engine, trans, and the size of truck (10/20/30) and also it depended on what rear axle it was equipped with. You should be able to find your gear ratio listed on the axle tag, however, if that has gone missing, you can simply count the number of teeth on each gear and divide the number of ring gear teeth by the number of pinion gear teeth. The 6th, 7th, and 8th characters in the VIN indicate the trim level of the truck. 1 A dealer can normally tell from the vin number. The first (and I'm assuming original) rear axle differential assembly was in the dump bed when I purchased the truck. How to Find the Rear Axle Ratio Code of your Truck DCS Tuning. The 1971 Chevrolet Corvette is one of the least changed from the previous year. 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. GU4 3:08 ratio. I don't know of an easy way to make it fit Ford truck wheels, aside from adapters, although you can probably find some 50s ford truck rear drums with the correct bolt pattern and brake shoe size, although offset might be wrong, and the center hole will be the wrong size for the pilot on the end of the Chevy axles. 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 letter denoting the manufacturing location. Gear ratio calculator for your Chevrolet. 3-Speed - 1968 and 1969: Stamping located on the machined surface on the left side of the case, just below and rear of cover. I then used this method on a friend's car before he pulled the rear end out. 1) Jack up one rear wheel and chalk-mark the 12 o'clock position on the tire. The only reason Toyota went 4. The rear end is original as is tranny. There is no other way to find out the RPO codes for a 1967 to 1983 Camaro that we know. Used 2015 Chevrolet Tahoe from Chris Myers Chrysler Jeep Dodge Ram FIAT in Daphne, AL, 36526-4819. So if you have 4. The first 3 digits indicate the axle code, the next one indicates manufacturer (B=Buick, O=Olds, C=Chevy, P=Pontiac), the next is Julian date it was built and the last it the shift it was made on. Chevy worked on enhancing the car's aerodynamics by reshaping the front end. I LOVE my '95 Roadmasterexcept for one little thing. The 1962-63 serial numbers are located on the front, right side of the differential carrier. 15 standard. Compare your Rear End Differential Gaskets to these pictures to start off with – 7. org You read a Chevy Vehicle Identification Number by decoding the characters in the 17-character VIN. RANDYS has the widest aftermarket drivetrain selection. Early truck 12-bolts had axles with 12 large axle splines. The gear ratio codes are located on the front passenger side of the differential as shown in the illustration below. Every car is assigned a unique Vehicle Identification Number (VIN) before it leaves the factory, but what do these numbers mean for you and your Mustang? History of VIN Numbers In the 1950s, mass production of cars increased dramatically, making it difficult to keep track of what vehicles were being made. Determining your C5 A4 rear axle ratio. Does any one have any back on the gas mileage for the above configurations. Call (410) 266-5700 for more information. 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. 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. GT manual gets 3. 73:1 & up 410409N 2 2. 1 A dealer can normally tell from the vin number. Read the tech article on a 10-Bolt Identification Guide, brought to you by the experts at Chevy High Performance Magazine. If your 1973 - 1987 body style has a VIN# located on the dashboard, with 17 digits, then it is between 1981 and 1987 model. You'll have your exact gear ratio's in less than 3 minutes! #2. Ring Gear Diameter: 8. Classic Industries offers a wide selection of 1965 Chevrolet Impala parts, including 1965 Chevrolet Impala interior parts and soft trim, 1965 Chevrolet Impala exterior sheet metal, 1965 Chevrolet Impala moldings, 1965 Chevrolet Impala emblems, 1965 Chevrolet Impala weatherstrip and unique accessories, to nearly every nut and bolt needed for installation. The RPO codes will tell you ALL of your vans specific options including your rear end gear ratio. 3-Speed - 1968 and 1969: Stamping located on the machined surface on the left side of the case, just below and rear of cover. Step 1: Place the oil catch pan under the rear differential cover. The serial number of 1969 and 1970 models were GS specific. Find 1969 CHEVROLET CAMARO Differential & Rear-End Components and get Free Shipping on Orders Over $99 at Summit Racing!. The new Corvette also introduced hidden windshield wipers and removable T-tops on Coupe models. View this Used 2014 Chevrolet Cruze For Sale in Westborough, MA. Do one of two things: #1. TRAILBLAZER 06 (rear door extends into wheel well, 113" WB), 4. Model specific subject matter experts, classified ads and more. If you want to upgrade/change ratios, there's plenty of info on that in other threads. 1969 Chevelle/El Camino rear axle codes. 1982 to 1984: 7. 10 gears in top gear is more or less the same RPM as my second gen dually with 3. Every car is assigned a unique Vehicle Identification Number (VIN) before it leaves the factory, but what do these numbers mean for you and your Mustang? History of VIN Numbers In the 1950s, mass production of cars increased dramatically, making it difficult to keep track of what vehicles were being made. Lower ratios are good for towing and performance but will be less fuel efficient. How can I check what ratio do i have on my rear differential axle ? I have a 2013 Dodge challenger RT Classic but the mystery is this My windows sticker reads Slip limited differential with 3. I believe the 4. Make sure the transmission is in 1st gear. 55 rear axle gears in the options list then you have a 3. 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 axle code is R7. 2 10 Bolt Differential Parts - Posi Units - Gears - Bearing Kits - 10 bolt cover with 8. Normally, both the ring count and the pinion count that goes with it will be stamped into the ring gear casting. Identify the engine Position 8 indicates the engine type. GT4 -- AXLE REAR, 3. 10s are common gear choices. Can anyone tell me what the gear ratio is for the Chevy Silverado with VIN 1GCGK29U5YE152509? It's a 2000 3/4-ton 4x4. Mark the raised wheel and t. The gear ratio determines the carrier. A rear gear training. A car with numerically higher gears(4. You could also count the teeth on the ring gear, and the pinion gear, and divide (# of pinion gear teeth into # of ring gear teeth) to get the ratio. The 1964 serial numbers are found on the bottom of the carrier. Scroll through the list of popular transmissions to find yours. If anyone can help out in any of these areas it would be much appreciated. This will tell you what ratio the Jeep originally had and likely should still have. Look for a tag under one of the diff cover bolts in the 9 o'clock position. I just typed my VIN in here, and according to the equipment tab, the truck has a rear axle ratio of 3. Gear ratio calculator for your Chevrolet. I have the vin, but can't tell what the rear gears are. 05 tire rotations for 2 engine rotations, which figures out to a rear end ratio of 3. Rear Axle Codes. 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. This is because 4th gear has a ratio that is lower than 1 and for this reason the 4th gear in all VW transmissions is called an overdrive gear. Despite these attributes, many performance enthusiasts find the stock gearing to be lackluster at best, especially in racing and performance driving environments. GU5 3:23 ratio. Take your VIN code to a Chevrolet dealers parts counter and ask them to run it through their computer. If you do not know this ratio, you can simply put in 1. This will help you pick the right size tires, transmission and gear ratio combination for your classic. In this case, the gear ratio is 4. Other places to search for a vehicle identification number include various locations under the hood of your car. 2002 Chevrolet Camaro - Specs: Links 2002 Chevrolet Camaro Price Quote Visit Chevrolet for more information on the Chevrolet Camaro. I need to find the ring gear size for my rear axle on a 2000 chevy blazer 4dr 4wd. Spend a few minutes in any bench-racing session and soon you'll hear rear axle gear ratios discussed. Built from the 1970s through today (the 8. The VIN tag or crawl under the truck and locate the actual differential tag. 42, and its a '06 DC with factory tow package. All factory C5's with the manual transmission came with the 3. (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. can you extract what rear end ratio is on my truck via the serial number 1gtek19v8z347602 - It's a2001 Chevy 2 wheel drive 2500 long bed do you know what the rear. For example if you have a 3. Turn the tire one 360 degree rotation and count how many times the dirveshaft turns. Call (888) 350-1597 for more information about Stock#HW7156. Used 2002 Chevrolet Corvette at Seaview Buick GMC 1G1YY32G425100124 for sale in Seattle, Lynnwood WA 2002 Chevrolet Corvette 2dr Convertible at Seaview Buick GMC 1G1YY32G425100124 Find a great price on this vehicle!. These RPO codes are used to idicate a specific type of differential and/or ring gear size. If you are looking for help with restoring or hot rodding your chevy classic a good place to go for help is Chevy Talk my favorite forum is 1955-1957 ( Modified / pro street / show) forum. 73 Ratio 10. 15 standard. 08 times for every one. 10's would top out somewhere between 120-130 because they would hit the redline there, but a 3. 21 R&P ratio. 55 rear axle gears in the options list then you have a 3. Finding gear ratio - Where do I find the gear ratio of my truck? Is there a tag on my rear end? × We use cookies to help our site to work, to help us understand how it is used, and to tailor advertising on this and other sites. You multiply the trans gear by the rear end gear to get final drive ratio. above, the first letter in the code "G" denotes the ring gear diff size of the rear axle. Rear Axle Gears and Driveshaft. 2L, 17" wheel, 3. Equip cars, trucks & SUVs with 2003 Chevrolet Trailblazer Differential from AutoZone. A car with numerically higher gears(4. A lot of it depends on the rest of the car, and how it is set up. CHEVY/GMC VIN DECODERS. 42 axle ratio, there was no other option available. Tenth: The tenth digit is the year, which is amazingly helpful if you're in a junkyard or showing off to your friends. If you're looking for a 2019 Honda Ridgeline vehicle in Edinburg, TX, come to Fiesta Chevrolet to buy or lease this Ridgeline. Used 2015 Chevrolet Tahoe from Prime Subaru Hyannis in Hyannis, MA, 02601. If for example you have a rear gear ratio of 3. How to Find the Rear Axle Ratio Code of your Truck DCS Tuning. 11:1, meaning that the driveshaft spins either 3. 21) or buys a truck and uses it as a truck (3. What is the best rear end gear ratio for my Chevy Silverado? What axle ratio gears should I run with for 38 inch tires on my 4x4 Ford F-150? If you are planning on 35" or 37" or even bigger tires for your Jeep or 4x4 truck this guide will show you the best ratio to choose. 56 is common, and 5. If you want to upgrade/change ratios, there's plenty of info on that in other threads. 1958-1970 Chevy Rear Differential code Identification Using the charts below, you will be able to learn alot about the rear differential in your classic full size Chevy. Use these gear ratio calculators to custom tailor Richmond Gear products to your vehicle. GT manual gets 3. The military Model 25 has a thick, cast cover, while the 27 and civilian-model 25s have a thinner cover, will accept taller gears, and backed V-6s. Read the tech article on a 10-Bolt Identification Guide, brought to you by the experts at Chevy High Performance Magazine. With a simple Google search you can find a chart of axle codes. Truck Info: 1985 Chevy Kodiak Box Truck. Jack up the rear end of the truck (so that both rear tires are off the ground) and make a mark (or pick a spot) on both the driveshaft and a rear tire. 55 will get you down the drag strip quicker than most stock ratios, but 3. com FREE DELIVERY possible on eligible purchases. Decoding Chevrolet VIN, trim tags, cowl tags, engine, engine block casting numbers, cylinder head casting numbers, intake manifold casting numbers, transmission, interior codes, and paint codes. Let the people with 12+ years of experience in finding and buying car parts help you find the best Differential for your Chevy Silverado 1500. Torque rating jumped to 300 lb-ft. (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. 73 awhile back so i thought it was 3. Used 2002 Chevrolet Corvette at Seaview Buick GMC 1G1YY32G425100124 for sale in Seattle, Lynnwood WA 2002 Chevrolet Corvette 2dr Convertible at Seaview Buick GMC 1G1YY32G425100124 Find a great price on this vehicle!. 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. These ratios are most commonly used in trucks. Replacing a Mustang's stock rear gears with a higher ratio will give you quicker acceleration, greatly improving your 60 foot times--depending on what ratio you choose A ratio of 3. RichPin shows how to identify a rear axle on a Jeep Grand Cherokee to determine the correct replacement part. Determining your C5 A4 rear axle ratio. Look for a tag under one of the diff cover bolts in the 9 o'clock position. This will tell you what ratio the Jeep originally had and likely should still have. 50" Ring Gear 2015. Note: 1968-69 Corvette rear axles were manufactured at Warren and are suffixed “W”. The five speed option is for the last gear of a transmission greater than four speeds. You have a 1500. 14-Bolt Gear Setup. 8” rear end has four flat sides: If you are only working with a Rear Gear Set, here are a couple of things to check: Measure the diameter of the ring gear. Look at the inscription of the plug to find out the style of the rear end. A rear gear training. 92 chevy k1500 4x4: i tell what rear end gear ratio is. 25-inch oval. on the drivers side door seal there should be an axle code. Chevy Forums FREE technical assistance for your restoration and repair. You should be able to call a GM dealer, and give them the part number off the ring gear (which you have 3993444 8 41 1 73) and they should be able to tell you what the ratio is. 10 ratio and need better fuel mileage you would switch to a 3. 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. 21 R&P ratio. 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. 5" "Corporate" Casting # Series Gearing 410408N 3 2. Used 2016 Chevrolet Tahoe from Fitzgerald Chrysler Jeep Dodge RAM Lexington Park in Lexington Park, MD, 20653-2006. The front axle should have the same gear ration as the rear. 308, 342, or 373 gears. Four-wheel-drive trucks will have a matching ratio in the front axle’s differential. The rear axle ratio should be at the top of the list, no matter what you are going to use your pickup for. The rear axle ratio of your car is instrumental in determining which transmission gear set is best suited for your car. Chevy 1500 p/u 4wd 88-89 10 Bolt Cover 8. I have a 2014, Toyota Tacoma Double Cab, short bed, V6 4L, auto trans, 2 wheel drive with 265/65/17 stock tires & rims. 15 standard. above, the first letter in the code "G" denotes the ring gear diff size of the rear axle. Depending on the gear ratio, My son with the 4. GU4 3:08 ratio. This is the Chevrolet VIN decoder. 10's will be 4 turns of the diveshaft plus about 10 degrees. 42 Ratio (With (LC9) Vortec 5. 2 There are normally tags or labels on the axle that have part number, gear ratio, and fluid requirement info. Other places to search for a vehicle identification number include various locations under the hood of your car. Model A & B Ford Garage Rear Axle Gear Ratios. We have also included link to assist you in determining what rear end you have, as well as a large list or rear end parts. NOTICE: 1997 - 1999 Front and Rear Axle Model Designation changes 2000 - 2002 Front Axle Model Designation changes. 55 Gear Kit for 8. Use the link to determine the axle ratio. I understand this means 3:42's Posi. 30 is for the 4x4. Used 2010 Ford Fusion from CARR Chevrolet in Beaverton, OR, 97006. Measuring two different 10-bolt rear ends, I found the following: Rear end #1 not in car. DANA 41 The 41, which has a ring gear size similar to the Dana 44, came in early CJ-2As. See how to assemeble this beast of a 14-bolt AAM-1150 axle in this month's issue of Diesel. 73 rear axle ratio? I'm trying to determine the maximum towing capacity for a camper, and I need this bit of information to cross-reference in the owner's manual. When selecting a set of rear end gears, it's always nice to know, (or at least closely estimate), what RPM you'll be at for any given speed you'll be traveling. This included having the "BY CHEVROLET" tag replaced by "SS", chrome strips added to the top of the rear panel below the trunk, the rear panel painted black and a rubber bumper pad. The only numbers on the case are as follows 3T25899 and G17 and 81. Here is the formula to calculate rear end ratio: =(60*RPM)/(Tire Size*Xmission Final Ratio*Road Speed) Here's what you need to know: Your Tire size in a number represented as "revolutions per mile". 45 ratio, going to a lower (numerically higher) ring and pinion gear must use the appropriate housing. It is also important to know the ratio as well as tire size to determine which speedometer gear you need so your speedometer reads accurately. 42 Ratio (With (LC9) Vortec 5. 30 is for the 4x4. 10 ratio and need better fuel mileage you would switch to a 3. the corporate 14 is a semi floater. 35] would provide decent off-the-line performance, even with a low horsepower engine. 5-inch differentials. However, determining the rear differential ratio is fairly easy. com it said 3. The easiest way to find out which rear end gear ratio your van has is to look in your glove box at the RPO sticker. Scroll through the list of popular transmissions to find yours. 2 10 Bolt Differential Parts - Posi Units - Gears - Bearing Kits - 10 bolt cover with 8. You should be able to call a GM dealer, and give them the part number off the ring gear (which you have 3993444 8 41 1 73) and they should be able to tell you what the ratio is. Used 2014 Ford F-150 from Liberty Chevrolet in Villa Rica, GA, 30180. One of the symptoms most commonly associated with bad or failing differential or gear oil is a noisy transmission or differential. PONTIAC Axle Gear Codes Wallace Racing Code Location. Someone who will identify replacement components must have the right axle code. How to Easily Find Rear End Gear Ratios This video shows you how to locate the vehicle axle ratio code of your truck. [ Home ] [ Up ] [ 55 2nd-59 Chevy ] [ 67-72 Chevy ] [ 73-80 Chevy ] [ 81-87 Chevy ] 1967-1972 Chevrolet VIN Number Codes **NOTE** 1972 VIN # will begin as CC or CK The first C stands for Chevrolet the second the Chassis designation. 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. C5 General - ??? How to Determine Rear End Gear Ratio ??? - Need some help from the Forum I have a 2003 Automatic Coupe which I bought used on May 2005. rear axle ratio Stock Chevy Discussion 55-56-57 rear axle ratio - TriFive. It is also important to know the ratio as well as tire size to determine which speedometer gear you need so your speedometer reads accurately. These are refered to as RPO codes , i had a 79 Gmc and it did not list the ratio , just the code. 11:1, meaning that the driveshaft spins either 3. AXLE RATIO SPECIFICATIONS DESCRIPTION An optional Limited Slip Differential (LSD) is available on Miata and RX7 models. 73:1, this simply means that the drive shaft (which is connected directly to the pinion gear) is going to rotate 3. Yes, that code is the ratio of the rear end. The following table shows the various Ford part numbers and gear ratios for the matched ring and pinion gear sets used on 1928 through 1934 Model A (103-1/2" WB) and Model B (106" WB) Ford car and commercial chassis, not trucks. So for example if the driveshaft rotates 3 1/4 times per rotation of the tire, you have a 3. Call (618) 969-8320 for more information. Note: 1968-69 Corvette rear axles were manufactured at Warren and are suffixed “W”. The D35 is a stronger (than the D28) and can be swapped over from a Ranger (or newer BII, if not already equipped). When you start thinking about gear ratios you need to look at the whole picture, not just transmission gearing, but rear axle gearing & tire size play a lot into the equation too. 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. I just picked up a rear axle from a 87 GMC S15 4x4, the codes in the glove box were GU6 and G80. Finally, all Stage 1 cars came standard with a posi rear. The following enumerations are used to identify Firebird models (finishing, engine and year) built between 1970 and 1971. Call with your VIN # or Model # (located on rear case half of transfer case) to insure we ship you the right transfer case for your vehicle. 23's She has 4. 1938 FORD PICKUP TRUCK ORIGINAL SPECIFICATIONS. Find a quality GMC Sierra 1500 Pickup Rear Axle Assembly and other used Auto parts from the top auto salvage yards. What gear ratio do you have in your ranger now? There should be a tag on the rear axle. It is calculated by using the other 16 characters of the VIN to generate a single digit number. NOTICE: 1997 - 1999 Front and Rear Axle Model Designation changes 2000 - 2002 Front Axle Model Designation changes. The common interpretation of final drive ratio for a quick-change rearend is the combined ratio of the axle ratio and the QC gear ratio. Used 2013 Chevrolet Equinox, from Auto Park Ford Bremen in Bremen, IN, 46506. The standard equipment was the 2. 5", common under 3/4 and 1 ton trucks from Chevrolet and GMC. glove box CAN I TELL WHAT REAR END GEAR RATIO IS IN MY 92 CHEVY K1500 4X4 TRUCK BY THE VIN OR SERVICE CODES IN THE GLOVE BOX … read more. If the front housing doesn't have a tag any more, the rear one will and both axles will have exactly the same ratio. Our Total VIN Decoder is a service we provide for dealerships, salvage yards, insurance companies, and businesses that need detailed, precise information about a specific vehicle. Used 2012 Chevrolet Equinox from Mt Home Chrysler Jeep Dodge LLC in Mountain Home, ID, 83647-3100. This is fully updated with new parts & includes new axles installed. Moving up to Class 6 and 7 trucks (up to 26,000 lbs. These RPO codes are used to idicate a specific type of differential and/or ring gear size. I need to find the ring gear size for my rear axle on a 2000 chevy blazer 4dr 4wd. 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. Torque rating jumped to 300 lb-ft. 55's on it but I hope no lower than that. GM 10 Bolt 8. The Axle Ratio is stamped on a Gear Ratio Tag on the axle cover. com FREE DELIVERY possible on eligible purchases. You will need to know that there are different series’ of differentials (series two and three). Both of those numbers refer to the gearing ratio between the driveshaft and the rear axle. on the drivers side door seal there should be an axle code. Step 1: Place the oil catch pan under the rear differential cover. To illustrate my point, let’s look at my 1967 Chevy C20 pickup: The truck has a 375 horsepower 350 with a decent cam and a full exhaust. 5 inch 14 Bolt Rear Axle. 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. 438 inches, and has 25 splines. ring gear diameter, this rebuild kit contains several bearings such as differential bearings, pinion head bearing, and pinion tail bearing. Rotate the tire exactly one complete turn and count the number of turns of the driveshaft. 91 gear ratio, at least for the 5sp. TRAILBLAZER 07-09 4. The most obvious way to tell what the ratio is in the differential is to take the cover off and count the teeth or look on the ring gear for the tooth count stamping. 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. (titled new but it had "dealer miles" on it. The rear-axle ratio was lowered to 4. How to Find the Rear Axle Ratio Code of your Truck DCS Tuning. Nothing like a direct physical experiment to tell the truth about what your car's made of. The rear axle identification and manufacturer's codes must be known before attempting to adjust or to repair axle shafts or the rear axle case assembly. Note: 1968-69 Corvette rear axles were manufactured at Warren and are suffixed “W”. 10 for my truck. Muncie 4-Speed - 1968 through mid 1974: Stamped vertically on the right side of the case at lower rear, just ahead of the transmission extension. Reg Cab 135.