Powerglide Gear Ratio Calculator

69 ratio powerglide gear set for shorty transmissions. Example: 2. You can also now calculate when using different transmission gear ratios, like in first gear or in overdrive. GEAR RATIOS CALCULATOR. Click on Calculate. You bring the gumption. 52 and multiplying that by the 4. We also like Mobil One 75-90 gear lube because it reduces differential oil temperatures compared to the GM lube. Too much room for inconsistency and self-destruction. One notable exception was the export version of the transmission, which offered only the 1. Or, change input variables (engine RPM, axle gear ratio and tire height) to determine vehicle speed in each forward gear. Cooling Fan Installation Instructions; Gear Ratio Chart;. How To Choose The Gear Ratio Based on Speed When selecting a Gear Ratio, you need the following information: 1. Choice of 9310 Chromoly 1. Shop millions of cars from over 21,000 dealers and find the perfect car. Its made by AC delco, it connects in between the speedometer cable and the transmission. The speedometer accuracy is maintained by selecting the correct size driven gear fitted to the gearbox end of the speedo cable - each gearbox has a number of different sized (and colour coded) gear combinations available to suit nearly any combination wheel and differential variations. Min ratio: Ratio of the lowest gear of your setup. A list of the 4x4 gear ratios used in popular transfer cases and transmissions. Choose from many gear options with a variety of tooth counts. Powerglides have a 1. Unless driven gears with more than 45 teeth and / or drive gears with fewer than 15 teeth become available, it will be impossible without using a ratio adapter to have an accurate speedometer with rear end gear ratios lower (higher numerically) than 4. The defaults show suggested values. I would say the best option is run the car first so we can kinda figure out the power your making, and then it would be easy to figure out the gear ratio you need with your current setup. Gearing - General. To see your speed according to the diameter of your wheels, the axle ratio and of the gearbox, enter these values see below. The TH700R4 transmission was designed to replace the TH350 transmission. The gear ratios used for this transmission were 2. Lenco offers an extensive variety of transmissions. There are several differentials for the 10-bolt rearend. Desired shift RPM: First gear ratio: Four Speed : Five Speed : Six Speed w/OD: Optimum 2nd Gear Ratio: Optimum 2nd Gear Ratio: Optimum 2nd. Calculate Clear. 30 rear gear isn’t going to put as much load against a converter in your average 3,000 pound car as a 3. Comes in 20, 21, 22, 24 and 25 tooth. The 700-R4's 3. Trust all your transmission and 9-inch third member service needs to the Jerico Racing Driveline Service Center because we have the specialists, inventory, expertise, and dedication required to keep you winning. 6th gear RPM is: Chevelle Restoration and Authenticity Guide available at many online locations including my ChevelleCD. Features on-line gear ratio and tire sizing calculators for the offroad and 4x4 enthusiast. since my tranny now is a stock t350, its surviving on. SCS Straight Drop Transfer Cases use two gear sets that work together to create your overall gear ratio. These two bellhousing when measured from the lower two bolts are 13. It's a 19 tooth gear and my speedometer is 10 MPH slow. This page is all about what I learned after I decided to swap the original TH400 transmission in my 1975 GMC Suburban for a TH700R4 transmission to gain the benefits of a modern overdrive transmission and help tame my "great for towing" 4. Gear Ratio Calculator. The 1964-1965 Corvair had a 3. This transmission is a 3 speed, and no overdrive gear was available. More power generally means less gear and less power generally means more gear if your car has the rpm potential to use it. 2004R GM Automatic Transmissions. For any questions or observations regarding this tutorial please use the comment form below. NOTE: see post below if interested why you spin a tire 1 rotation or 2 rotations. By the Numbers. If you find yourself in need to do this, then you have to choose a higher ratio before you flip the transmission. 7 to 1 overdrive ratio making even 4. 80 in my TD blown 526 hemi at 2100 lbs. 52 first gear = 6. 06 first gear with a 3. ) Tire Height - In Inches, Use The Gear Calculator or Tire Size Calculator Speedo Revs/Mile - Number of RPM the speedometer needs to turn at 60mph You can hit the SAMPLE button to see how some typical calculations will look. Example: 2. com Calculate the theoretical speed for a car in each of its gear ratios. Features on-line gear ratio and tire sizing calculators for the offroad and 4x4 enthusiast. HHR Registry - National registry for 2006 through 2011 Chevrolet HHR. In the past I thought the shorter track used a lower gear. Simple explanation of gears, gear trains, and gear ratio calculations. Use the Final Drive Ratios found in the 2-wheel drive section for ratio information. 06:1) in the 700R4, you are in the right place. To get the same acceleration out of a 1. The main thing to consider in choosing your T5 is gear ratios. 11 rear axle gears on the highway. Final Transmission Ratio 3. The late '52 to '54 rear ends were Dana 44's. We provide how-to and technical articles, vehicle and build features and examples, plus calculators and lookups that will help you get your ride from dream to driver. I need a 16 tooth according to the TCI transmission websit but they don't have anything other than 19/20 tooth's. 80 in my TD blown 526 hemi at 2100 lbs. Rebuilding kit for an aluminum case Powerglide two speed automatic transmission used from 1962-1973. We’ve found when doing conversions from stick to automatic in high performance vehicles that these cars generally drop from a half to three quarters of. As you can see it predicts exactly where in the rev range it will drop to so you can alter your gearing to keep the engine singing at the sweet spot instead of dropping down too low in the revs. First gear ratio of the Th-700R4 is 23% lower than a TH-400 ( 2. This is a superior alternative for most cars thinking of going to a Th400. If your engine is a potent low-end engine, you'll give up a good chunk of driveability for just a little extra acceleration. Co-authored with Rick Nelson of Musclecar Restoration & Design. We ride our bikes in the peloton, on the trails and down the mountains. A tr6060 will allow freeway driving, but 6th will never be engaged on the track. Solve for your Crawl Ratio. 87, but all i need the tranney for is a forward/reverse box, i will run a 5-1 stak. 88 final gear ratio. For the table with this car full photo gallery and complete technical specifications (including final drive and gear ratios, powertrain description, inside and outside dimensions etc. My father's cousin Edward Nydam (Cousin Eddie) ordered this car brand new in 1962. Now I'm not gonna use a powerglide so say I ran a deep 1st and 2nd gears 904 with 2. 91:1 drive ratio in 1st gear Right now i have 2. 69 Powerglide straight cut gear set (short) BTE's powerglide 1. 75 seconds?. Re: Powerglide or 3 speed? November 23rd, 2012, 10:34 PM 4. The first gear ratio of a TH-700R4 is 3. 80 in my TD blown 526 hemi at 2100 lbs. With Gear Ratio Calculator you can see the theoretical top speeds in all gears. The electromechanical parking brake doesn't just help with parking. The defaults show suggested values. ATI High Impact Powerglide Transmissions are recommended for vehicles that produce more than 1500 HP and need the added reliability offered by these heavy-duty gear combinations. 6th Gear Ratio Calculator requires a subscription. 2 Select Aspect Ratio. com is a massive internet community hosting over 100,000 members and growing each day. 82 first in 6 cylinder cars. When you upshift the first case section, that section goes to a 1:00:1 ratio, which creates 2nd gear. Shortens a powerglide transmission for applications requiring a shorter than stock transmission length. Custom Beard Super Seats. Powerglide Ratio 1. Gear Ratio Calculator. 55 gears in the back. Unless driven gears with more than 45 teeth and / or drive gears with fewer than 15 teeth become available, it will be impossible without using a ratio adapter to have an accurate speedometer with rear end gear ratios lower (higher numerically) than 4. The speed ratio of the gear train is defined as the ratio between speed of the driver to speed of the. Seems that take-offs would be s-l-u-g-g-i-s-h, and the extra effort to get a heavy pickup moving with such tall gears would put strain on the transmission's clutches. The number of turns of the wheel is the gear ratio. A change in gear ratio equal to our example represents a 150 rpm difference at 6,000 rpm. starting line ratio 1st gear x rear gear? wouldn't this be the same for the 1/8 as it is for the 1/4. Chevelle Data and ID Guide 1964-1972 is available at many online locations including my ChevelleCD. Performance. One notable exception was the export version of the transmission, which offered only the 1. Sorry no picture, but here what it is. 390 cam, 275/60-15 wheels and I don't know what rear gear ratio I have in my Gm 10 bolt rear end. net website for your personalized autographed copy. 76 first gear in V8 crs and 1. You need 3. With a small juice shot maybe 100 or so you should easily in the mid to low sevens. Gear image generation code from http://jsbin. 82 first in 6 cylinder cars. 76 - 9'' 514 gear -32x14'' tires runs 9. Leading provider of high performance automatic transmissions, torque converters and drivetrain components for race, street/strip, hot rod, street rod and towing. It has a film strength second to none. Solve for your Transfer Case Ratio. RPM Calculator. Click "Calculate Differential Gear Ratio". 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. Cooling Fan Installation Instructions; Gear Ratio Chart;. Please start with the tutorial for shaft calculation to see how to introduce geometry and supports for single shafts. The value will be returned in estimated differential gear ratio, based on the entered values. 91's he's running now. 56) axle ratios where the "correct" gear was larger than the largest available. Enter the number of teeth on the Ring and Pinion gears and click the "Calculate" button to view your results. 10:1, unless 27 inch or larger tires are installed. i need my car to pull stronger on the bottle. 76 first gear in V8 crs and 1. For Hydramatic trannies, I think the ratio was 3:08. Battle Royale: The Turbo 400 And The Powerglide. Bob Thibert is on Facebook. Re: Powerglide or 3 speed? November 23rd, 2012, 10:34 PM 4. 11 rear would give you 10. since my tranny now is a stock t350, its surviving on. The crawl ratio is the number of rotations your engine makes before your tires make one full turn. I need a 16 tooth according to the TCI transmission websit but they don't have anything other than 19/20 tooth's. xx gear, So the 700r4's 3. Rear End Gear Ratios except when they came with powerglide transmissions, like your father in law's car. Trail reports in Colorado, classified ads, club listings, and more. 69:1 gear ratio that's ideal for today's big-cubic-inch motors. 73 gears in the back, I'd be at around 50 mph in first gear at 4500 RPM. With an overdrive transmission your RPM in overdrive will be 15% to 30% less than indicated. This page is all about what I learned after I decided to swap the original TH400 transmission in my 1975 GMC Suburban for a TH700R4 transmission to gain the benefits of a modern overdrive transmission and help tame my "great for towing" 4. I have a 85 camaro 2500# 434- 665 HP powerglide 1. Join Facebook to connect with Bob Thibert and others you may know. The car runs up to about 5400 rpm and currently hit that 5400 limit 3/4 down the straight. Here is how this works. It has a film strength second to none. How To Choose The Gear Ratio Based on Speed When selecting a Gear Ratio, you need the following information: 1. 785″ diameter head and the 22, 24 and 25 tooth three speed standard gear has a. We provide how-to and technical articles, vehicle and build features and examples, plus calculators and lookups that will help you get your ride from dream to driver. I dont remember what the stock ratio is, dont think its exactly 4:11 but its up there. com Calculate the theoretical speed for a car in each of its gear ratios. I'm running a 6. i have to agree with supergper on the powerglide, i know its in your top three but they can be built to handle alot of force, even in stock form. Powerglide 1. A relatively narrow-tired car (each rear tire measures 11 inches or less across the tread) has a certain maximum starting-line ratio to be used based upon the weight of the car and the stroke of the engine. Although neither remains in production today, they are still heavily used on the drag strip circuit as replacement transmissions for 1960s and 1970s vintage cars. Note: The mounting pad is usually a part of the extension housing, but the graphic shows it on the maine case. Powerglide converter retrofit kit. “With a 28 gear on the rear, the distance you cover with one turn of the cranks is 2. The 20 and 21 tooth Powerglide gears have a. 00 as this is the typical 4th gear ratio of most 4 sp and 5 sp manual transmissions. What is the optimum gear ratio for your application? To help you determine this Mark Williams Enterprises offers a handy plastic gear ratio calculator. What is a gear calculator ? The gear calculator is a comprehensive software which, after inputting various parameters related to gear calculations, computes on-line automatically gear sizes, strengths, working forces, tooth forms, backlash conversions, etc. That being said, limited gear sets are offered for the carriers, especially if you plan to change gear ratios. Join Facebook to connect with Bob Thibert and others you may know. higher gear ratio's wont help you much if you dont have good tires to get the torque to the ground. Click "Calculate Differential Gear Ratio". A new speedo gear set for Chevrolet Turbo 350 Transmission. Use this gear ratio calculator to select the best ring & pinion and gear ratio combinations to serve your needs. A change in gear ratio equal to our example represents a 150 rpm difference at 6,000 rpm. It's not as aggressive as the 4L60E though, which has a final gear ratio of. Chevelle Registry - National registry for 1964 to 1976 Chevelles. Narrowed Dana 60 (now) with 7. 80's in the 1/8th mile which translates to a 10. Instructions. 82 stock replacements designed for street use in small block applications. 2 MOPAR automatic 5. Extreme gear sets feature Sonnax premium sun and pinion gears that also undergo the same advanced processing used in Formula 1 ™, NASCAR ® and other high-end professional racing circuits. The TH 200 4-R is a popular transmission to use to upgrade from an older transmission that is lacking an overdrive gear. Chrysler and Ford speedometer gears are built into the outer shaft and can be used on any Chrysler or Ford transmission. Figure 1 demonstrates the various elements of this planetary. Your email address will not be published. RE: How do I find out the gear ratio for a powerglide transmission? I think it came off a 60's era chevelle. Design Tools. Note: The mounting pad is usually a part of the extension housing, but the graphic shows it on the maine case. A change in gear ratio equal to our example represents a 150 rpm difference at 6,000 rpm. The Jeep NP242 transfer case was introduced in the 1987 model year as a replacement for the NP228. Can anyone tell me how I can find out? Messages In This Thread. Crawl Ratio Calculation Basics. The transmission is central to any conversion, both physically and in terms of planning. Solve for your Transfer Case Ratio. The Fastest Made to Order Custom Rears and Axles Moser has been leading the competition since 1986 and continues to provide industry leading products. Planetary transmissions rely on a central sun gear to provide a 1:1 direct drive ratio once shifted from the launch ratio. If the Split drops then increases as it does with some overdrive gears, the gear will feel "too tall". this means that dimension "C" is usually longer than dimension "B". 80 Straight Cut Low Gear Set is Rated Up To 2,400 hp. xx gear, So the 700r4's 3. The front end has a reverse 4 link with QA1 coil over shocks and panhard bar. Most of the V8/Powerglide transmissions came with the 1. The "Split" is the ratio of this gear to the previous gear. The following chart shows just how different the ratios are. With Gear Ratio Calculator you can see the theoretical top speeds in all gears. 1:1 • You. Here's a calculator: RPM/MPH From Gear Ratio Calculator by Wallace Racing. Hope that helps a little. How To Determine Gear Ratio. Rear End Ratio @ Desired MPH: Tire Diameter (Height) in Inches: Over Drive Ratio (1 for no OD) Estimated Rear End Ratio. The adapter material is 356 T6 heat treated aluminum alloy. OLDSMOBILE, Chrysler, Chevy,. ATI stocks the widest selection of Powerglide Low Gears in the industry. It has a 0. 30s out of the hole if you multiply the trans 1st gear ratio times the rear end gear ratio. Gear Ratio Calculator › The Powerglide to the GM NP 208 / 241 transfer case adapter is 2. The car is in the final stages of paint,then reassembly begins. 76 ratio now. I've seen a lot of folks asking questions about what gear ratio to use in their cars and how it will effect the drivability of their cars. 58 ratio Extreme planetary assembly kit 28158G-06SP delivers tunable control right at the start, when traction can make or break a race. Lenco Transmission Overview. Per their sit each tooth is about 2mph taken away are added. 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. A good way to calculate this is to multiply. 30 rear gear isn’t going to put as much load against a converter in your average 3,000 pound car as a 3. Powerglide Planetary Low Gear Ratios The Powerglide planetary is referred to as a compound gear set with a ring gear. 85, but the M22 Aussie has a 1st gear ratio of 3. Enter the maximum potential safe engine RPM. Seems that take-offs would be s-l-u-g-g-i-s-h, and the extra effort to get a heavy pickup moving with such tall gears would put strain on the transmission's clutches. The TH 200 4-R is a popular transmission to use to upgrade from an older transmission that is lacking an overdrive gear. The combination of the 4. com 7 years (2007-2013) in a row, by a large margin, for the best message board of the year awards. Your 10-speed then had a total of ten total gear combinations available -- probably a double up front and a five-speed in the back. A question that I often get is how to work out planetary gears using the gear template generator. Not only will an Overdrive Transmission improve your performance, but it will reduce your fuel consumption by up to 33%. Desired shift RPM: First gear ratio: Four Speed : Five Speed : Six Speed w/OD: Optimum 2nd Gear Ratio: Optimum 2nd Gear Ratio: Optimum 2nd. This transmission is a 3 speed, and no overdrive gear was available. Different-ratio first-gear sets are now available (through TCI Automotive, JW Performance Transmissions, and others) for the Powerglide transmission. Swapping TH200 4-R. Chevelle Data and ID Guide 1964-1972 is available at many online locations including my ChevelleCD. Facebook gives people the power to share and makes the. Don Cook saved to New Tire Size / Gear Ratio combinations affect fuel economy and performance This page is a Differential Gear Ratio Chart for comparing tire size to axle gear ratio and the combined effect on power and fuel economy. So you had 3. The value will be returned in estimated differential gear ratio, based on the entered values. Crawl Ratio Calculation Basics. 1992-1993 T56 with the lower gear sets had a slightly lower torque capacity in the 350 lb-ft range while 1994-later (high) gear sets reduced the side loads on the case and were rated to 450 lb-ft. 70 gear going to be too much for my cam selection in 1st and in 4th going 70mph?. Just google Wallace racing calculators and you can pull it up. RE: How do I find out the gear ratio for a powerglide transmission? I think it came off a 60's era chevelle. 82 stock replacements designed for street use in small block applications. I want to put in in an open wheel modified racecar. The Force 1 X-Sync 11-speed Chainring features SRAM's X-Sync design to ensure secure shifts with no slip. 10:1, unless 27 inch or larger tires are installed. To calculate the correct speedo DRIVEN gear for other tire size/axle ratio combinations, use the following formula:. Here is a simple online calculator to find out the gearing ratio related to the accounting and finance. Sonnax offers top-quality planetary gear sets and assemblies in four ratios and three performance levels for GM Powerglide transmissions. The defaults show suggested values. With an axle ratio tall enough to provide relaxed, economical cruising, smaller emission-controlled engines needed wide-ratio gearsets for decent off-the-line punch, which left painful gaps between the ratios and made it harder to keep the torque converter locked up for better fuel. At 75mph my current engine speed in 3rd gear is approximately* 3200 RPM. 70 gear going to be too much for my cam selection in 1st and in 4th going 70mph?. The overall demultiplication of multi stage planetary gear units is calculated by multiplying the ratios of the single stages. Solve for your Transfer Case Ratio. Instructions: Use this calculator to estimate various aspects of your performance. Horsepower requirements for some transmissions. 80 in my TD blown 526 hemi at 2100 lbs. If you need help choosing a gear ratio, Summit sales reps can help or you can use the Gear Ratio Calculator on Summit's website to narrow down your choices. Frankly, this is a "less than optimum" case of backwards engineering, so the outcome will not be maximum for the power/weight available. 06 in 1st and 4. Killing Time Dragracing Don't mind us, we're just killing time! Calculate your ET. 91:1 drive ratio in 1st gear Right now i have 2. com Calculate the theoretical speed for a car in each of its gear 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. You can try various combinations to come up with an appropriate combination of ring and pinion gear ratio and tire diameter for your vehicle. Powerglide Planetary Gear Sets by FTI Performance. Just as different stall speeds are recommended for different engine torque ratings, items such as rear differential ratio, body weight, tire size and compound used, type of racing you are participating in (or if you are just looking for better street performance or better low-end torque for towing situations) and transmission shift ratios all. Now I am not sure I have never raced on a 1/8 mile track so I geared for the 1/4. The basic purpose of installing a modified torque converter is to allow the engine (RPM) to increase to where the engine is making greater power before driving the wheels, thus allowing the vehicle to accelerate from a standing start much. A web based calculator to help you pick the right size tires, wheels, rear end, gear ratio and transmission for your 55-57 Chevrolet. 90 at about 137 and cross at around 7 grand. Gear ratio calculator for your Chevrolet. MARKETS WE SERVE Engine Builder Whether it’s making minor performance upgrades or building an engine from the oil pan up, Motor State Distributing stocks the parts and equipment that an engine builder needs to maximize performance for virtually any application. In this repair and service book, author Carl H. Gearing Ratio Calculation. We manufacture all types of gears and machine parts in just about any material to suit your needs. FTI Offers a wide variety and ratio of Drag Racing and Mud Racing Powerglide Transmission gear sets for standard length powerglides and shorty glides. A good overall (first gear x final drive) ratio of about 10:1 is needed for good take off from a dead stop. Ring Teeth. 76 ratio gear-set. 70 1/4 mile ET. 30s out of the hole if you multiply the trans 1st gear ratio times the rear end gear ratio. the ratio adapter is the "translator". 69:1 gear ratio that's ideal for today's big-cubic-inch motors. Note: All 1965-67 Corvette rear axles were manufactured at Warren and are suffixed “W”. What do you guys like to do? rmcomprandy on May 19th 2014, 11:01 pm The main purpose is to take full advantage of the extra wheel horsepower the gearing would give you on the gear changes but, if the starting line reaction gets uncontrollable then it certainly won't help. 82 gear ratio. Click here for more information!. Newbies tend to think, “okay, all I need is a huge motor, a manual transmission, some decent tires and a way to stop and I’ll be good to go. xx gear, So the 700r4's 3. Super Max 3 Speed Gear Ratios. Features on-line gear ratio and tire sizing calculators for the offroad and 4x4 enthusiast. When the gear wears the trans won't shift out of 1st gear till 40/50mph, but as soon as you let off the gas,bangs back into 1st gear. Here is a quick tire size vs gear ratio /speed calculator that is easy to use. Instructions. Let’s say an engine that produces 1,000 horsepower at 7,000 rpm is paired with a 4. I don't remember the address. TCI Speedometer Gear Calculator - tciauto. By the end of this tutorial you should know how to calculate a gear ratio function of the gears and also the effect of the gear ratio on torque and speed. Shop millions of cars from over 21,000 dealers and find the perfect car. 70 rear end which would take me to 8. Enter the maximum potential safe engine RPM. Aluminum radiator. Chevrolet POWERGLIDE Transmissions Torque Converters. 1:1 You are able to find the 1st gear ratio of the TH. I guess it could be stuck,but I would think it wouldn't shift 2nd to 3rd if it was. Largest Main Shaft in the Industry. Listed 1967 “AQ” and “AR” codes & ratios may only have been used early in the 1967 model-year, or not at all. while having the posi is cool. 283 V8 195 bhp. His father worked in a steel foundry and Eddie complained that his Dad’s work car was always too dirty on the inside from his work clothes to be able take girls out on a date. no need to enter anything in '6th' gear for a car with only 5 speeds). The Powerglide planetary is referred to as a compound gear set with a ring gear. 75m; with a 34t chainring, you’d need to be in 34-27 to travel the same distance. 35/1 and retails for about $45 from your friendly GM dealer. Small gear with shaft - plastic black 23T 3860346 03-121 Small gear with shaft - plastic yellow 24T 3860347 03-122 Large gear with shaft - plastic green 34T 9774413 03-124 Small gear with shaft - plastic orange 25T 3860348 03-125 Large gear with shaft - plastic orange 35T 9780387 03-128 Large gear with shaft - plastic natural 36T 1359270 03-132. I was thinking about changing to a lower ratio (1. Your 10-speed then had a total of ten total gear combinations available -- probably a double up front and a five-speed in the back. The defaults show suggested values. 390 cam, 275/60-15 wheels and I don't know what rear gear ratio I have in my Gm 10 bolt rear end. Powerglide Adaptor Plates Bands and Band Apply Hardware Bushings and Bearings Cases Extension Housings and Components Dip Sticks and Tubes Filters Friction Plates Gaskets and Rubber Components Gear Sets Governor Support/Rear Pump and Components High Clutch Drum and Components Input Shaft Metal Clad Seals Miscellaneous Items. To get the same acceleration out of a 1. In its stock form, it stood up to the power of the Buick Grand National. Engine RPM at Cruise Speed Example: If you want to Cruise at 60 MPH at 2000 RPM and your Tire Diameteris 30", the Gear Ratioyou need is a 3. Heartbeat City stocks a full line of NOS Camaro Parts, Rare Camaro Parts, Old Camaro Parts, Reproduction Camaro Parts and hard to find Used Camaro parts for your first generation 1967, 1968, 1969 camaro. 5:1 compression, a Comp 292 cam (rough idling hot rod style cam), 4. Or a 1955 Chevy 2 door hardtop which weighs about 3,350 lbs. The late '52 to '54 rear ends were Dana 44's. Standard shorty kit comes in 1. Largest Main Shaft in the Industry. 08 is a little too high to run with the powerglide, considering that the powerglide has an extremely high "low" gear ratio (1. 92's) You multiply first gear of either the 2004r or 700r4 first gear by the actual rear end gear ratio, then Divide by the TH350's first gear (2. The transmission underwent little change, major exceptions being a switch from iron to aluminum casting and the addition of manual first and.