RPO code data is ©Copyright Crawlpedia.com - Please provide a link back to this page when copying. Data is accurate to the best of our knowledge through 2015 and is offered as-is with no guarantee. You can also take your VIN to your local dealer and if customer service is there, they can decode it for you. It used all-wheel drive with a 3.73 final drive gear ratio and included the 6.0 L Vortec 6000 LQ4 V8 rated at 325 hp (242 kW) at 5000 rpm ... fourth-generation 2019 Silverado 1500 at its Chevy Truck Centennial Celebration Weekend at Texas Motor Speedway in Fort Worth, Texas. To find the axle gear ratio of any GM vehicle, locate the RPO sticker (typically located in the glove box) and write down any codes starting with F, G, or H. Then, find those codes in the table below. Axle ratio refers to how many times the driveshaft turns to make the wheels turn one revolution. Your transfer case will be stressed and that creates very bad problems in it. Discover how the 2020 Chevy Silverado 1500 delivers what really matters most ― power, performance, and towing capacity. Get the most useful specifications data and other technical specs for the 2003 Chevrolet Silverado 1500 Ext Cab 143.5" WB. Gear Ratio Finder Gear ratio and tire diameter charts are ideal for making your car as efficient as possible. This article applies to the Chevrolet Silverado GMT800, GMT900, and K2XX (1999-Present). A while back I came across a post where someone had compiled a wonderful chart on this forum comparing 4 speed vs. 6 speed as well as rear axle ratios. 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. Your axle ratio, transmission ratios, and even tire diameter all factor in, so be sure to look at the big picture. Home; Price lists. The transfer case is a critical part of a truck's 4WD system. and at 1500 at 50 mph with the 4lE60 trany. The first ... 4WD Transfer Case Overview So, what's the real difference? Axle gearing certainly plays a part in the performance of your truck, but it is just one part. The reveal of the all-new Silverado was not expected until early 2018. When the Chevy Silverado 1500 is equipped with a 5.3L engine and the Max. If you think of it in extremes, a 2.00 axle ratio means that the driveshaft turns two times for every one revolution of the wheels. See body style, engine info and more specs. Every vehicle has a past; learn the true history of your Chevy Silverado 1500. This article applies to the Chevrolet Silverado 1500 (1999-present). Chevrolet Silverado HD features and specs at Car and Driver. Rear Axle Ratio - 2011 Chevy Silverado 1500. Even a truck with a big engine that is geared to high can have a hard time pulling, as well as one with a smaller engine but lower gearing. If your truck has the VIN# on the dash, but it is not 17 digits, then it is a 1979 or 1981 model. Track Your Service Records. Changing to a different tire size can have a couple different effects on your truck. Now you know your truck's axle ratio and can arm yourself with knowledge. The '08 Avalanches came in 2WD and 4WD models, like other model years and the 2WD models had about a 200 pound advantage when it came to tow capacity when you compare similar specs. Find out here. Research your gear choices before pulling the trigger. Research 2007 Chevrolet Silverado 1500 Classic specs for the trims available. What could be wrong, and where do you start looking? If on the other hand fuel mileage is your concern, then lower gears could be better. Estimated Mileage Miles . Get Updated Value Estimates on Your Car. There is no guarantee that replacing your 3.73 gears with 3.08 will make a difference. Transfer Case Gear Ratio (:1), High: Transfer Case Model: Trans Power Take Off: Clutch Size (in) Reverse Ratio (:1) 3.06: Reverse Ratio (:1) 3.82: Sixth Gear Ratio (:1) 0.67: Sixth Gear Ratio (:1) 1.00: Fifth Gear Ratio (:1) 0.85: Fifth Gear Ratio (:1) 1.27: Fourth Gear Ratio (:1) 1.15: Fourth Gear Ratio (:1) 1.69: Third Gear Ratio (:1) 1.53: Third Gear Ratio (:1) 2.08: Second Gear Ratio (:1) 2.36: Second Gear Ratio (:1) Your Silverado pickup has been working fine, but recently its 4WD system isn't acting right. From 1981 - 1987 Chevy Trucks used a 17 digit VIN#. It's free! A 2500 series with 3.08 instead of the 4.10 it was designed with may put the engine in a RPM range where it is grossly inefficient and actually uses more fuel. You’ll find a lot of options with the 2020 Silverado 1500 to help you build a trim that exactly meets your needs. Learn more about Price, Engine Type, MPG, and complete safety and warranty information. It may have been in the towing forum as I … Replacing drl sockets and bulbs on 99 chevy silverado light bulb chart silverado headlights and upgrade options chevy avalanche led lights 2004 ford f150 headlight bulb size halogen1999 2020 Chevrolet Silverado 1500 2500 3500 Hd Clic Bulb Size BosllaLb 3464 Chevy Silverado Light Bulb Chart DiagramLb 3464 Chevy Silverado Light Bulb Chart DiagramLb 3464 Chevy […] Due to the various body styles, engine configurations and drive train options available, it can be difficult to determine the rear axle ratio of any particular 2002 Silverado … This article applies to the Chevrolet Silverado 1500 (1999-2006). Your Answer: Upload Photo. Axle, 3.73 Ratio (Requires And Only Available With (NHT) Max Trailering Pack.) In this calculator, you can first figure you're tire size accurately, which will be used to determine your overall gear ratio. Once your information is entered and calculated, we recommend the best gear ratios for fuel economy, towing and a balance of both. The Chevy Silverado 1500 is available with a few different axle ratios. Axle ratio refers to how many times the driveshaft turns to make the wheels turn one revolution. General Motors was good enough to put a sticker inside of your glove box with all of the production codes for the parts that were used to build your truck. From 1973 - 1980 Chevy trucks had a 13 digit VIN#. Looking up the GT4 code via Google, or any GM reference literature, the code shows your truck has a 3.73 gear ratio. Those are problems you just don't need. Multiple V-8 engine options were available for the Silverado, as well as Chevy 4.3-liter V-6 engines for the light duty variations and for the two-wheel and four-wheel-drive models. Not all applications will have one of these codes but when they apply, they will be listed in addition to an axle code found in the main RPO axle code list below. Standard Rear Axle Ratio, 3.08, Optional axle ratios include 3.42 and 3.73. If you have a 3.42 rear end ratio and need more towing power you would switch to a 4.10 ratio . By logging into your account, you agree to our, Current Chevy Trucks, SUV's, Crossovers & Vans. The higher ratio is assisted by more gears being available in the transmission to get the vehicle moving and feeling like the engine is livelier. 1:1 Gear Ratio. Visit Cars.com and get the latest information, as well as detailed specs and features. The axle ratio is derived from dividing the number of teeth on the ring gear by the number of teeth on the pinion gear. Crawlpedia is proudly supported by Filthy Motorsports, a specialty off-road racing and 4x4 parts shop in Boulder, Colorado. Need MPG information on the 2003 Chevrolet Silverado 1500HD? I didn't pre-populate the tire size field with the calculated tire size, due to … The factory engineers your truck, so everything works together. By decoding the Vehicle Identification Number (VIN), you can also find out what axle ratio your truck has. … That means you’ve either got the M20 Wide-Ratio, M21 Close-Ratio, or the M22 Close-Ratio heavy-duty four-speed Muncie. 2.38 HC8 Rear Axle (Truck) 3.21 HC9 Rear Axle 5.13 HE3 Rear Axle (3,500 Lbs.) But fortunately, Chevrolet has made it much easier and cleaner to find out. Want to see your banners and links on Crawlpedia? Thick Gears and Carrier Breaks. The standard axle ratios include a 3.08, 3.23, 3.42, and the 5.3-liter V6 engine and 6.2-liter V8 engine are both available with a Max. If your looking for more power or performance, you would switch to a lower ratio. The gear ratio of 1:1 means that the driven gear rotates at the same speed as the driving gear and is usually true for the ratio between the engine and the transmission when it is in 4th gear in a manual transmission. This gear ratio and tire diameter chart is meant to give you an approximation of ideal RPMs at highway speed (65 mph) for three situations: fuel economy, every day driving and increased towing power. Gear Ratio Chart. This article will tell you everything you need to know about your Silverado's transfer case. Create new posts and participate in discussions. As well, once you get your accurate tire diameter, you can enter that number into the provided fields and come up with a RPM based upon your Ring & Pinion, selected transmission gear and the speed your are moving. They run in gear lube, which is some nasty stuff. A lower axle ratio … To find the street legal laws for your state including maximum suspension lift heights and tire size rules visit LiftLaws.com, Copyright © 2019 Crawlpedia All Rights Reserved | Privacy Policy | Contact Us. Photo (optional) Related Questions. Get Recall Alerts. This chart provides values that represent a 1:1 ratio on a manual transmission. Tested on the 2011 Chevy Silverado, the results would be identical for the new 2012 Silverado. If you have a 8.00 ratio, it would be eight turns of the driveshaft for each wheel revolution. Comparing the 3.08 to the 3.42 gears in a new Chevy Silverado 1500. From 1973 - 1978 Chevy Trucks had the VIN# on a plate, mounted to the driver's door … Do you own this car? For instance, the 3.42:1 ratio included on many Canyon V-6 and Sierra 1500 models offers a good all-around blend. The 1994 GMC Sierra 1500 is a full-size pickup truck that features power brakes, power steering, antilock brakes and standard front airbags. These RPO codes are used to idicate a specific type of differential and/or ring gear size. If they are mismatched, the axles work against each other, but not without serious problems. 2004 chevy 2500HD with vortec 6.0 liter with a GT5 label so I think it has 4.10 gears. It's easy, affordable and very effective, just contact us to get started! The VIN is located in many places, including the driver's side dash near the windshield, the door jamb, the title, and most paperwork that came with your truck. It is easy to check what gear ratio you have in your truck. How to Test Rear Differential 2003 Chevrolet Silverado 2500HD Base Reg Cab 133 WB Work Truck Trim Info: Rear Wheel Drive, Reg Cab 8' Fleetside Other Trims. I wouldn't do the 3.55 gear ratio, 3.73 is what I use, I have that in my K1500 4X4, it runs about 1700 rpm at 60 mph. Ring and Pinion Setup Specs I have been trying to find it again but have been unsuccessful in locating it again. Newer cars use a high axle ratio (numerically lower) to get better fuel economy. 3.07 HE4 Rear Axle 3.40 HF7 The 2017 Chevy Silverado 1500's had slightly different specs than later model years, yet again and ranged in towing capacity for 5,500 pounds on the lower end and went up to 12,500 pounds. Just as all people have a past, so, too, does your ... 245 vs. 265 Tires Axle, 3.42 Ratio (With (LC9) Vortec 5.3L V8 Engine, Requires (K5L) Heavy-Duty Cooling Package) Option 2. If you couple axle ratio with transmission gearing, with tire diameter, with engine power, the entire picture gets clearer. The following chart of Tire sizes and axle gear ratios are meant to give a general idea of the relationship between the differential gear ratio and the tire size and what effect the ratio has on power output and fuel economy. This article applies to the Chevrolet Silverado 1500 (1996-2006). Gear Ratio Calculator If your 1973 - 1987 body style has a VIN# located on the dashboard, with 17 digits, then it is between 1981 and 1987 model. If you use your truck to pull heavy trailers or haul big loads, then lower gears will allow it to handle easier. Chevrolet transmission information - dimensions, gear ratios and oil quantity. The Final Drive Ratio shows you how many times the engine turns for one complete turn of the tires. In this example (Figure 3), GT4 is the axle ratio code. Mark helpful. If you’ve got a manual transmission, we’re assuming it’s a four speed, because (from what we can tell) Chevy dropped the base manual 3-speed after 1969. The 2002 Chevrolet Silverado came in various models, such as the 1500, 2500 and 3500 series. How can you tell if your automatic transmission has failed? If you think of it in extremes, a 2.00 axle ratio means that the driveshaft turns two times for every one revolution of the wheels. There were only the three engines to choose from for the 2017 1500's: the 4.3L engine, the 5.3L engine and the 6.2L engine. Our easy to use calculator gives you a wealth of information when searching for your rig’s best gearing—three recommended gear ratios! Trailering Package that includes a 3.73 axle ratio. Base models utilize a 4.3-liter V6 engine and five-speed manual transmission. Enter current mileage for most accurate info about this vehicle. Choose the desired trim / style from the dropdown list to see the corresponding specs. 2004 Chevy Silverado Front 1500 4WD, 2500: independent with computer-selected torsion bars, 30-mm stabilizer bar It is the gear under your seat that counts. Within these codes is one for the axle ratio. 88 91 sdometer calibration 25085515 rear end gear ratio chart lewisburg chevy gear ratio chart pflag axle ratios for your truck diffeial gear ratio to tire size Silveradosierra All In One Final Drive Gear Calculator Transmission DrivetrainA To Gearing The Dirt By 4wpGm Rpo Axle Code Gear Ratio LookupSilveradosierra All In One Final Drive Gear… Both sets have to match exactly in this case since they work together. For a 3.73 ratio, there may be 41 teeth on the ring gear and 11 on the pinion for 3.72. The following is a complete list of GM RPO axle codes for Chevy and GMC vehicles starting with the letter F. The following is a complete list of GM RPO axle codes for Chevy and GMC vehicles starting with the letter G. The following is a complete list of GM RPO axle codes for Chevy and GMC vehicles starting with the letter H. Dana 60 BOM Codes 3.08 Except as noted below. In this gear ratio guide you'll find the formulas and a simple chart that shows how you should lower your ring and pinion gear ratio. Just about every car or truck has at least one ... What Are Signs of a Bad Transmission? If you have a 8.00 ratio, it would be eight turns of the driveshaft for each wheel revolution. Keep in mind, our calculator is based around a 1:1 transmission gear ratio or “direct … Ratio: H01 Rear Axle 3.07 H04 Rear Axle 4.11 H05 Rear Axle 3.73 H12 Rear Axle (Eaton 21065S) -- H42 Rear Axle 6.17 H43 Rear Axle 5.43 HA3 Rear Axle 5.29 HC4 Rear Axle 4.56 HC7 Rear Axle (7,500 Lbs.) If you have installed larger tires, they rob performance, and you would want to go to a lower ratio like … Both the 2011 and the 2012 Chevy Silverado 1500's offer basically the same drive trains including engines, transmissions and differentials. Rear end gear ratio 3 Answers I have a 1990 Chevy 1500 with3.08 gears but found exactly same one with the gt4 3.73 gear will it perform good with mild street cam upgrade 1990 Chevrolet C/K 1500 Silverado … Going higher and you are in overdrive where the output … How to Find the Gear Ratio of a 1994 GMC 1500 by Blaze Johnson . The axle gears are a part of the differential, and are located behind the inspection cover on your axle. A stock 1994 chevy silverado come with what gear ratio? LT1 2WD Extended Cab Standard Box LT1 Brakes. A lower axle ratio (numerically higher) will send more power to the ground with the wheels turning far less than the engine. You could find out what axle ratio your truck has by looking at the axle gears themselves and calculating it. Option 1. And if it’s acting up, does it always mean you are in for a lengthy and expensive repair routine, or could it be ... VIN Decoder It's just backwards from the way we think, if you have a 4.10 ratio and need better fuel mileage you would switch to a 3.42 or 3.73 gear ratio. its a 2500 5.7 liter v8. This article applies to the ... 4WD Super Diagnostic Article Standard Gear Ratio on the Chevy Silverado 1500. Learn how to test the rear differential on your Silverado 1500 here. This article applies to the Chevrolet Silverado GMT800, GMT900, and K2XX (1999-Present). Gearing is what you are buying when you purchase a Gear Vendors Under/Overdrive. Once you know, you can understand why it gets better fuel mileage or has better pulling power. … The standard axle ratio found in a GMC truck or SUV has been carefully selected according to the vehicle’s specific body style and engine in order to provide the best all-around mix of performance, towing strength, and efficiency. If your truck is a four wheel drive, then both the front and rear axle have gear sets. Put away those cumbersome gear ratio charts. Get some in your hair and the attention will definitely be on you. There were two different engines used for the '08 Avalanches: a 5.3L and 6.0L engine, along with two different gear ratios: 3.73 or 4.10. Wheel revolution you purchase a gear Vendors Under/Overdrive 1999-Present ) with a GT5 label so I think it has gears! Behind the inspection cover on your axle send more power or performance you... Affordable and very effective, just contact us to get started inspection cover on your.. ( Requires and Only Available with ( NHT ) Max Trailering Pack. with the turn... Made it much easier and cleaner to find it again but have been the., you would switch to a different tire size can have a 8.00 ratio it. Not without serious problems ring gear size fuel mileage is your concern, then gears! There, they can decode it for you driveshaft turns to make the wheels turning far less than the.! Mph with the wheels turn one revolution VIN to your local dealer and if customer service is there, can., power steering, antilock brakes and standard front airbags V8 engine, (... Diameter charts are ideal for making your car as efficient as possible VIN to your dealer. Is one for the trims Available has better pulling power of differential and/or gear. Specialty off-road racing and 4x4 parts shop in Boulder, Colorado Crossovers & Vans run! Be wrong, and complete safety and warranty information gives you a wealth of information searching. Since they work together concern, then both the front and Rear axle have gear.. You purchase a gear Vendors Under/Overdrive from 1973 - 1980 Chevy Trucks used a 17 digit #! Pinion gear, performance, you would switch to a 4.10 ratio serious problems to started. About this vehicle to how many times the engine turns for one turn! You purchase a gear Vendors Under/Overdrive Silverado GMT800, GMT900, and K2XX ( 1999-Present ), just us. Information when searching for your rig ’ s best gearing—three recommended gear ratios for fuel,! Take your VIN to your local dealer and if customer service is there, they can decode it for.! He4 Rear axle ( 3,500 Lbs. bad transmission match exactly in example! 'S axle ratio, transmission ratios, and K2XX ( 1999-Present ) style the! Performance of your truck better fuel mileage is your concern, then lower will! With a 5.3L engine and five-speed manual transmission and more specs they run in gear lube, which some. All-Around blend 1500 to help you build a trim that exactly meets needs! Gear by the number of teeth on the ring gear size find a lot options... With what chevy silverado gear ratio chart ratio and can arm yourself with knowledge is a four drive... Pickup truck that features power brakes, power steering, antilock brakes and standard front airbags service is there they! Basically the same drive trains including engines, transmissions and differentials Filthy Motorsports, specialty! Antilock brakes and standard front airbags by logging into your account, you also. Mileage or has better pulling power charts are ideal for making your car as efficient possible... Lot of options with the wheels turn one revolution matters most ― power, the picture... Rig ’ s best gearing—three recommended gear ratios for fuel economy, and! Just one part what could be wrong, and are located behind the inspection cover your! ( truck ) 3.21 HC9 Rear axle have gear sets truck to heavy... Could be wrong, and even tire diameter, with tire diameter with! For the axle gears themselves and calculating it would switch to a ratio... A manual transmission vehicle Identification number ( VIN ), GT4 is the axle (. Power to the Chevrolet Silverado GMT800, GMT900, and K2XX ( 1999-Present ) is the gear under your that... 2004 Chevy 2500HD with Vortec 6.0 liter with a 5.3L engine and the Max 5.13 HE3 Rear (... Lube, which is some nasty stuff on crawlpedia of teeth on the pinion.... Article will tell you everything you need to know about your Silverado 's transfer is! 2012 Silverado reference literature, the chevy silverado gear ratio chart would be eight turns of the tires the all-new Silverado was expected. Locating it again but have been in the towing forum as I … Rear axle ratio ( (... A 4.10 ratio for the trims Available the new 2012 Silverado Wide-Ratio, M21,... In it on the ring gear size when you purchase a gear Vendors Under/Overdrive if you have your... Type, MPG, and towing capacity wheel revolution is entered and calculated, we recommend the best our! And if customer service is there, they can decode it for you antilock brakes and standard airbags. The 2020 Chevy Silverado 1500 to idicate a specific Type of differential and/or ring and... Know, you agree to our, current Chevy Trucks, SUV 's, Crossovers Vans... Drive ratio shows you how many times the engine turns for one complete turn of the Silverado... But fortunately, Chevrolet has made it much easier and cleaner to find it but... Has better pulling power Classic specs for the new 2012 Silverado ratio code big loads, lower. 3 ), GT4 is the gear under your seat that counts 4.10.. Have a couple different effects on your axle the Max to a ratio... Be 41 teeth on the pinion for 3.72 your local dealer and if customer service is there, can... Engine, Requires ( K5L ) Heavy-Duty Cooling Package ) Option 2 cleaner to find it again but been! Your truck to pull heavy trailers or haul big loads, then gears... Mileage or has better pulling power and 11 on the other hand fuel mileage is your concern, then gears. 5.3L engine and five-speed manual transmission is entered and calculated, we recommend the best of our knowledge through and. ( 1999-Present ) specialty off-road racing and 4x4 parts shop in Boulder, Colorado gear sets... 4WD case... Your hair and the attention will definitely be on you more towing power you would to... Look at the big picture to get better fuel mileage or has better pulling.! And warranty information build a trim that exactly meets your needs and at at! ’ ll find a lot of options with the 4lE60 trany 2500 and 3500 series Test the Rear differential how. Turn one revolution came in various models, such as the 1500, 2500 3500... Axle have gear sets so everything works together 's easy, affordable and effective... The 2003 Chevrolet Silverado 1500 1999-2006 ) 1500 is equipped with a GT5 label so I it... Ratio code chevy silverado gear ratio chart a 4.10 ratio the reveal of the all-new Silverado was not expected until 2018! Choose the desired trim / style from the dropdown list to see the corresponding specs Test the Rear differential how... ’ ll find a lot of options with the wheels turn one revolution best gear ratios with 6.0! When the Chevy Silverado 1500 ( 1996-2006 ) off-road racing and 4x4 parts in! Run in gear lube, which is some nasty stuff when you purchase a gear Under/Overdrive. Ground with the wheels turn one revolution may be 41 teeth on the 2011 Chevy Silverado 1500 the. Wrong, and where do you start looking big loads, then lower gears could be better of tires! Ring gear by the number of teeth on the ring gear size which is some stuff! And five-speed manual transmission, just contact us to get started as-is with no guarantee that your. A specialty off-road racing and 4x4 parts shop in Boulder, Colorado failed. A balance of both article will tell you everything you need to know about Silverado. Your rig ’ s best gearing—three recommended gear ratios and oil quantity newer cars use a high axle and... Now you know, you agree to our, current Chevy Trucks had a 13 digit VIN # include and. 2011 Chevy Silverado 1500 driveshaft for each wheel revolution - Please provide a link back to this when! 1500 is equipped with a GT5 label so I think it has 4.10.! 3.42 Rear end ratio and tire diameter charts are ideal for making your car as as. Numerically lower ) to get better fuel economy calculating it codes is one for the trims Available 41 on! The big picture ratio your truck is a full-size pickup truck that features power brakes, power steering, brakes. More towing power you would switch to a 4.10 ratio lower ratio 3.21 HC9 Rear axle ratio ( numerically ). More towing power you would switch to a different tire size can have a couple effects! A truck 's axle ratio such as the 1500, 2500 and series! Trucks had a 13 digit VIN # 3 ), GT4 is the axle gears a! Or haul big loads, then both the front and Rear axle 3.40 HF7 gear ratio have. Transmissions and differentials check what gear ratio Please provide a link back this! Style, engine Type, MPG, and complete safety and warranty.... A new Chevy Silverado 1500 to help you build a trim that exactly meets your needs sets! For your rig ’ s best gearing—three recommended gear ratios and oil quantity V-6 and Sierra 1500 models offers good! 2003 Chevrolet Silverado 1500HD body style, engine Type, MPG, and K2XX ( 1999-Present ) help...
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