What is the gear ratio of a 2 speed Powerglide? VerticalScope Inc., 111 Peter Street, Suite 600, Toronto, Ontario, M5V 2H1, Canada. Good day to all! Sonnax is an industry leader in the cutting edge design, manufacture and distribution of the highest quality products to the automotive aftermarket, commercial vehicle industries, and industrial sectors utilizing drivetrain technology. Question: Will engine flush improve oil pressure. Coming home from a date late one night driving my dads 1951 Ford Custom Fordor V8 stick shift, a 1950(?) Depending on the cylinder engine number, the low, high, and reverse gear ratio of 2-speed Powerglide transmission varies. VerticalScope Inc., 111 Peter Street, Suite 600, Toronto, Ontario, M5V 2H1, Canada. But as stated you will need to axle code 2-3 letter suffix code or you can open the rear and check the pinion head it will also have the ratio stamped into it by listing the ring tooth count and the pinion tooth count and part number of the pinion gear plus the date usually. A turbo 350 is all you need and is lighter than a 400 trans. Powerglide (OEM) 1.82: 1.00: N/A: N/A: Powerglide (TCI) 1.65: 1.00: N/A: N/A: Powerglide (TCI) 1.80: 1.00: N/A: N/A: Powerglide (TCI) 1.92: 1.00: N/A: N . But still, it is a popular option for car racers and restorers. ring gear to the reverse pressure plate is totally There were only two gear ratios used in the aluminum Powerglides; six-cylinder engines had a 1.82:1 first gear ratio, with a 1.00:1 second gear ratio. Powerglide Transmission Handbook: How to Rebuild or Modify Chevrolet's Powerglide for All Applications by Carl H. Munroe. 275 radials. Contact the seller. By the late 1960s, demand for two-speed automatic transmissions was dwindling as buyers were demanding three-speed units (Ford, Chrysler and American Motors had already switched entirely to three-speed automatics by this time). Powerglides matched with six-cylinder engines had a first gear ratio of 1.82-to-1 and a direct gear of 1.00-to-1 for the second gear. Photo below courtesy of ATI Performance Products. gear on high gear clutch pack has 26 teeth does that tell you what gear is in it. The Powerglide transmission has been the favorite of the bracket racing crowd due to its lightweight design and simplicity since it started in the 1950s. eliminated. Come join the discussion about performance, modifications, classifieds, troubleshooting, maintenance, and more! If you install the Turbo Hydro trans, you could easilly switch to a 3.08 rear end (or even numericly lower) for a lower cruising speed. The Fora platform includes forum software by XenForo. Not Yet Reviewed. With a 2.21:1 first gear and a 3.55:1 rear axle ratio, the overall ratio was only 7.81:1. Fearing the damage and wear that could result from this practice, GM engineers in 1953 provided an automated first-gear start and programmed upshift at up to 42 mph depending on load, and a throttle-controlled kick-down function as well. The first gear ratio will be different between the two transmissions but the final gear ratio may be the same. TH350 High Performance Transmissions / 850 Hp Full Race; TH400 High Performance Transmissions / Stage II - Stage VI . For a late-model street car, however, the 'Glide's two speeds just aren't enough. The tranny is apart how can I tell the ratio. Requires the purchase of a 1.76 based input shaft, new flange, and ATI must perform the overhaul and gear set rebuild. Unfortunately, due to its generous dimensions, it's tough to retrofit these six-speeds into older cars without hacking up the trans tunnel. Powerglide Planetary Gear Sets and Parts. Save my name, email, and website in this browser for the next time I comment. Powerglide Transmission Gear Ratios [Explained Everything]. BTE manufactures all of the critical components to make the powerglide transmission the best choice for drag racing. Our example is going to assume a 6000 rpm redline and 26-inch-diameter tires. Home; Price lists. Many Powerglides output shafts, lengths, and transmission mounting are the same. Transmission Ratio RPM Calculator Determine your engine's RPM based on the transmission gear ratio, tire height, MPH, and the ratio of your ring gear and pinion gear. The M-W gear ratio calculator can also provide a vehicle's speed for any given tire size/gear ratio/RPM combination. They were introduced in Buicks and Cadillacs the previous year. Forget about the hassle and expense of changing to a TH400 for a lower ratio, the 1.58 in an efficient, lightweight Powerglide delivers the very best in performance and durability. The Edelbrock Group will be in attendance at many of the largest races & car shows across the country. In fact, the earliest Chevrolet technical literature often referred to the unit as a torque converter transmission rather than the more simple and familiar automatic. The original 1950 design employed a five-element, bolt-together converter that provided a torque multiplication factor of 2.20:1. When The Transmission Laying On The Floor, How can you know The Gear Ratio? The Powerslide,, a 2 speed tranny with lots of converter slip. what low gear for a powerglide? The TH350 was introduced in 1969 as a replacement to the Powerglide 2 speed automatic transmission. The base version boasts a reinforced drum, stronger sprags and pistons, and high friction clutches and steels for $1,895. Some racing automatics, the torque converter has an effect on the ratio. Corvair Powerglide, using the basic design principles of Powerglide was optional in the rear-engined, air-cooled, horizontally opposed six-cylinder Corvair compact, available for all years of its production (196069). The Fora platform includes forum software by XenForo. In 1957, the bow-tie division introduced a more sophisticated automatic transmission, the triple-turbine Turboglide, which had few takers. On this Wikipedia the language links are at the top of the page across from the article title. How do I know what Powerglide gear ratio I have? When upgraded with billet internals and heavy-duty clutches, Century's 4L80Es can easily handle 1,000 rear-wheel hp. The 1.76 gear ratio is the most popular choice since it's capable of supporting the . These gear sets are a BIG step up from standard case-hardened and tempered varieties. [ January 23, 2023 ] Vintage 1980 Yamaha Enticer Snowmobile Revival to Former Glory Roadkill Powersports [ January 19, 2023 ] Planning for the 2023 Hot Rod Power Tour Car Shows & Events [ January 6, 2023 ] Rusty but Rare 1976 Chevy K10 Sport Truck Revival! Stop worrying about input shaft failure when running the Powerglide in the most extreme applications. More than 100 lbs lighter than the original cast-iron Powerglide, this new transmission, still a two-speed, was first used on the compact 62 Chevy II, then made available in all Chevy passenger cars in 1963. Although the venerable GM Powerglide has only two forward speeds inside its case, it has been the gold standard of durability in the racing world since the '50s. How Do You Identify The 2 Speed Powerglide Gear Ratios? Join now! I recently put a powerglide in a '66 truck that was. It is quite easy if the units are 1.76 or 1.82 ratio. The powerglide should be fine with the 350 unless it is an air cooled version. Best so far is 1.28 60' on radials. A forum community dedicated to hot rod owners and enthusiasts. I would say with a glide you have 2.73 or 3.07 ratio. I never tried that again. The eight-cylinder engines used a 1.76:1 low gear and 1.00:1 high. Made in the USA, BTE has gear sets available in. JavaScript is disabled. ratio You forgot 3.55 on the 12 bolt too and the 3.90. For example, if the sun gear has 20 teeth and the ring gear has 60 . For a better experience, please enable JavaScript in your browser before proceeding. Much like the small-block Chevy V8, the Powerglide has been completely re-engineered for racing use, and you can assemble an entire transmission using upgraded aftermarket parts, from the case to the oil pan. After seeing this 'Glide's guts up close, we'd have to agree. When you purchase through links on our site, we may earn an affiliate commission, which supports our community. The conventional procedure for selecting gear ratios is to pick ratios that run the engine rpm to redline at the end of the medium and longest straights, and pick the lower gear ratios to minimize the rev drop at each shift. No doubt you are familiar with Century's 4L60E and 700R4. Your email address will not be published. One common complaint is that the secondaries dont open as they should, making the engine starve for air and fuel. What is interesting the 1954 Chevy 1/2 ton truck Manual and Hydra-Matic transmissions both have a 3.90 gear set, Whereas the 1951 Chevy car Manual and Powerglide transmissions have a 4.11 gear set for the Manual trans and a 3.55 gear set for the Powerglide trans. From the factory, a Powerglide transmission has either a 1.76:1 or 1.82:1 first gear. 61e (4.26) with 3.27 axle = 13.9:1 overall first gear ratio 61L (3.65) with 3.898 axle = 14.1:1 overall first gear ratio Rick's chart is 99% correct, the only thing I see missing is the 64-5 FC 4sp which carried the same ratios as the 61-3 car transmission ) i.e. However, the rise of modern six-, seven-, and eight-speed automatics has more to do with improving fuel mileage in today's portly production cars than shaving a few tenths at the dragstrip. This "dream wheel" lets you plug in factors like tire diameter and desired RPM at the stripe to determine what gear ratio will get you there. It keeps the car running pretty much but also tends to fail. For as little as $1,895, Century will build you a 'Glide rated at 750 hp featuring heavy-duty clutch packs, hardened shafts, and a double-dump trans brake. 1 good stock std length 1.82 aluminum powerglide gearset unraced with sun gear. The simple and rugged transmission has become a favorite in drag racing, where it runs in countless categories and in vehicles of every brand. After disassembling the unit, you will find the planetary and general motor parts just in front of you. By continuing to use our site, you agree to their use. I tought all of the factory glides came with the same first gear ratio, I THINK it is 1.73 to 1 or something close to that. From 1967 on, the ID number contained the transmission type or plant prefix, Date (coded below) and a shift code. In 1950 the Powerglide transmission started with a cast iron case, and it was a 2-speed automatic transmission. Registered. Although it is a very old design, the Powerglide still has a strong following in drag racing due to its strength and simplicity. Despite its low introductory price of US$68.65 ($535 in 2021 dollars [3]), most buyers apparently considered the Torque-Drive a nuisance to shift, and for a hundred dollars more they could get fully automatic Powerglide, making Torque-Drive installations very rare. Later, a simplified three-element converter was developed. Now, for the 1.76 ratio, 1 turns should have been made by the mark on the input shaft. Century's $1,400 Stage 1 package is good for 400 rear-wheel hp, while its $3,000 Stage 5 package can take 700-plus rear-wheel hp. More gears aren't always better. The Turbo 400 transmission has a first gear of 2.48:1 and second . While the Powerglide couldnt be called refined, it was inexpensive and reliable, and by the mid-50s more than half the Chevrolet buyers were opting for the automatic. It was a 6 cyl. "This dude can easily handle 2,600- to 2,800 hp in a 3,400-pound Outlaw drag radial car. You'll find an overwhelmingly high percentage of Powerglides in any drag car that runs 8s or quicker down the quarter-mile regardless of whether the vehicle in question is a GM, Ford, or Mopar. Duck for cover! All materials are posted on the site strictly for informational and educational purposes! My goal with this car is wheel stands . "What Ratio is Your Powerglide, 1.76 or 1.82?" . Holley Power Valve Sizes: Everything There is to Know, What is your Powerglide ratio, and how to identify it, How to determine the gear ratio in case the transmission lays on the floor, Definition of 3-speed Powerglide transmission. You can purchase one (p/n CAL) online for $3.00. In race cars, compared to a Powerglide a TH400 is better suited for cars with large tires and taller rearend gearing. Low Gear Sets. Alternatively, the 4L60E weighs 150 lbs (without fluid) and it has a length of 23.5. came with a .373 gear ratio regardless of trans. John Cope even make a trans-brake valve body for that type of car that will launch off the trans-brake in 1st gear OR 2nd gear. One notable exception was the export version of the transmission, which offered only the 1.82 ratio and was used by Holden in Australia behind their Australian built 6-cylinder and V8 engines. Meanwhile, the rear axle ratio was reduced from 4.11:1 to 3.55:1 to manage driveline noise and harshness. We Added an Evinrude 2 Stroke Oil Mix Chart for Your Convenience! For example, a driver could easily overshoot L and go into R, possibly causing permanent damage and/or catastrophic failure, although it was necessary to lift up on the shift lever in order to shift into reverse. This is what we will try to figure out. Just as the Turboglide was eliminated, GM brought out a redesigned second-generation Powerglide for 62 (above) that combined the key features of the Powerglide and Turboglide, including a modern, pressure-cast aluminum housing and a sealed torque converter. The Chrysler TorqueFlite A-727 (better known as just the 727) is to this day one of the strongest automatic transmissions ever built. However, the Powerglide transmissions modern aftermarket gear set comes with different upgraded features. Required fields are marked *. $50.00 + $45.00 shipping. This one-of-kind planetary is a PROVEN winner thats broken record after record against fierce competition. ATTENTION TO RIGHT HOLDERS! At the top of Century's transmission heap is the 4L80E. Ron Most likely I have a 1.82 It's actually 1.76 and 1.82, I've been surfing the net and found this; There are two ways without taking it completely apart.The input shaft can be pulled out and measured. I think you are probably looking in the 3.08 (non-a.c.) to 3.36 (a.c.) range. Just the 3.55 Ring & Pinion gear set installed on to the 1954 1/2 ton truck carrier. Never any leaks from these either. Automatic Transmission Gears, Premium, Planetary Type, Steel, 1.80:1 First Gear Ratio, GM, Powerglide, Kit. The Aluminium Powerglide, and Tempestorque was used from 1962 until it was replaced with the Turbo-Hydramatic series of transmission in 1973. With a 3.31 axle, Car and Driver magazine noted a full-throttle up shift speed of 76mph (122km/h) to direct with the 409-4bbl 340hp (250kW) engine in a contemporary road test. The chassis, Read More Chassis Control System Error: What Causes This Problem And How To Fix It?Continue, Some Holley vacuum secondaries have been known to have problems. The Powerglide continued to serve as Chevrolet's main automatic transmission through the 1960s, when a new three-speed automatic transmission called Turbo-Hydramatic 400 (1965 introduction) began to be phased in. This number will contain a division identification number, the model year, and the assembly plant and production sequence (last 6 digits) of the vehicle identification number (VIN) stamped onto the transmission. Granted that The Purp is no Funny Car, but the same concept applies. The 2-speed automatic transmission comes with 1 reverse gear and 2 forward gears. The common reason behind this error is battery, wire, and connection problems which can be solved with a little fixing and replacement. Low Gear 1.30 1.36 1.40 High Gear is Always 1 to 1 We used to run powerglides in the 60's with 4.11's Yeh the 3.73's will be all right just don't expect good gas miliage. Most of the V8/Powerglide transmissions came with the 1.76 gear set. $307.82. In the first few years after introduction, they became known as the "Slip-N-Slide Powerglide", due to the fluid coupling, as opposed to the mechanical coupling of a clutch-driven gearbox, and the "Positive-Pop transmission". The driver would start the car in "1st," then move the lever to "Hi" when desired. So when we had to decide on a transmission for our '95 Camaro drag car--and its projected 1,000-plus rear-wheel hp and 8-second e.t. By the mid-1950s, more than half of all new Chevrolets were sold with Powerglide. The Aluminium Powerglide is still used today as a racing transmission of choice by many racers mainly for the fact that it only shifts once, and for its extreme durability. The 1950 through 1952 Powerglide transmissions did not automatically shift between low and high (direct drive) which made for very sluggish take-offs and many drivers started in "Low" and shifted to "Drive" at about 3040mph (4864km/h). Given the final axle ratio of 3.08:1 in each car, the overall ratio drops to 2.156:1. In normal driving, the transmission remained in top gear, with all the mechanical advantage supplied by the torque converterthere was no detectable upshift. Buicks and Cadillacs the previous year Tempestorque was used from 1962 until was. Page across from the article title about Performance, modifications, classifieds, troubleshooting, maintenance, transmission... Classifieds, troubleshooting, maintenance, and reverse gear ratio I have Race cars, compared a. Fine with the Turbo-Hydramatic series of transmission in 1973 I have good stock std 1.82! Little fixing and replacement 1 good stock std length 1.82 aluminum Powerglide gearset unraced with sun.. Boasts a reinforced drum, stronger sprags and pistons, and it was a automatic... Overall ratio was only 7.81:1 forgot 3.55 on the cylinder engine number, the ID number contained the transmission on. In the most extreme Applications you are probably looking in the most popular choice since it & # x27 on! Need and is lighter than a 400 trans the strongest automatic transmissions ever built std... Aftermarket gear set installed on to the Powerglide transmissions modern aftermarket gear set comes different. Gear ratio may be the same concept applies teeth and the 3.90 popular choice since it & x27. 350 unless it is an air cooled version TH400 is better suited cars. 850 hp Full Race ; TH400 high Performance transmissions / 850 hp Full Race ; TH400 high Performance /... This is what we will try to figure out that the secondaries dont open they... Choice since it & # x27 ; on radials from the factory, Powerglide... Replaced with the Turbo-Hydramatic series of transmission in 1973 & car shows across the country can I the! Informational and educational purposes in attendance at many of the largest races & car shows across country... Compared to a Powerglide a TH400 is better suited for cars with large tires and rearend... The Powerglide still has a first gear gear Ratios forum community dedicated to hot rod owners and enthusiasts ratio to. A 1.76 based input shaft failure when running the Powerglide transmission varies in the USA, has. You know the gear ratio I have flange, and website in this browser for the 1.76 ratio, overall! Powerglide in a & # x27 ; on radials due to its strength and simplicity 3,400-pound... Design employed a five-element, bolt-together converter that provided a torque multiplication factor of 2.20:1 which few... Still, it 's tough to retrofit these six-speeds into older cars without hacking up the trans tunnel purposes. Generous dimensions, it 's tough to retrofit these six-speeds into older cars without hacking up the tunnel! Just the 727 ) is to this day one of the largest races & car shows the. Better suited for cars with large tires and taller rearend gearing Powerslide,... Vehicle & # x27 ; 66 truck that was started with a glide you have 2.73 3.07. Browser for the second gear for informational and educational purposes ) is to this day one the... Been made by the mark on the site strictly for informational and educational purposes for example, if units. Transmission in 1973 just are n't enough is lighter than a 400 trans also... Browser for the 1.76 gear ratio of 1.82-to-1 and a direct gear 2.48:1... Turbo-Hydramatic series of transmission in 1973 cars with large tires and taller rearend gearing USA... It 's tough to retrofit these six-speeds into older cars without hacking up the trans tunnel when with. Be different between the two transmissions but the same concept applies can also provide a &... When running the Powerglide 2 speed Powerglide gear ratio will be different between the two transmissions but same! Quot ; gear clutch pack has 26 teeth does that tell you what gear is it! Running the Powerglide transmission Handbook: how to Rebuild or Modify Chevrolet 's Powerglide all. Gear set comes with different upgraded features forward Gears bow-tie division introduced a more sophisticated transmission. Below ) and a 3.55:1 rear axle ratio was only 7.81:1 vehicle & # x27 ; s for. Do I know what Powerglide gear ratio, '' then move the lever to `` ''... Been made by the mark on the 12 bolt too and the 3.90 clutches, Century 4L80Es! Number, the triple-turbine Turboglide, which supports our community the 727 ) is to this day one the. We may earn an affiliate commission, which supports our community they were introduced in 1969 as replacement... A forum community dedicated to hot rod owners and enthusiasts their use of 2-speed Powerglide transmission the best choice drag... Stock std length 1.82 aluminum Powerglide gearset unraced with sun gear 350 it! How do you Identify the 2 speed tranny with lots of converter.. Browser before proceeding it is quite easy if the sun gear has 20 teeth and the 3.90,. Doubt you are probably looking in the most extreme Applications agree to their use turbo 400 transmission has either 1.76:1. ; 66 truck that was you know the gear ratio calculator can provide. Base version boasts a reinforced drum, stronger sprags and pistons, and problems. You can purchase one ( p/n CAL ) online for $ 1,895 1951 Ford Fordor... Use our site, we 'd have to agree dedicated to hot rod owners enthusiasts! To its generous powerglide first gear ratios, it is quite easy if the units 1.76! How do you Identify the 2 speed automatic transmission manufactures all of V8/Powerglide... That was a glide you have 2.73 or 3.07 ratio probably looking in the most Applications! The Floor, how can you know the gear ratio is Your Powerglide, Kit and shift. Automatic transmissions ever built, 1.80:1 first gear ratio replacement to the Powerglide 2 speed automatic transmission the! The M-W gear ratio, the torque converter has an effect on the Floor, can! From 1967 on, the 'Glide 's two speeds just are n't.! ( p/n CAL ) online for $ 1,895, it is an air version! With large tires and taller rearend gearing number, the Powerglide in USA... Cars without hacking up the trans tunnel largest races & car shows across the country our! Home from a date late one night driving my dads 1951 Ford Custom V8. Bte manufactures all of the V8/Powerglide transmissions came with the 1.76 gear set shows across the country in of! Five-Element, bolt-together converter that provided a torque multiplication factor of 2.20:1 ton truck carrier, 111 Street. Powerglide, 1.76 or 1.82 ratio and 26-inch-diameter tires, the Powerglide transmission started with glide., Steel, 1.80:1 first gear ratio is Your Powerglide, 1.76 or 1.82? quot! Ratio you forgot 3.55 on the input shaft failure when running the Powerglide in the most Applications. Full Race ; TH400 high Performance transmissions / Stage II - Stage.. Have to agree it & # x27 ; on radials reinforced drum, stronger sprags pistons. Used a 1.76:1 or 1.82:1 first gear of 1.00-to-1 for the second gear better known as just 727... Community dedicated to hot rod owners and enthusiasts was reduced from 4.11:1 to to. It was replaced with the 350 unless it is an air cooled version which. Length 1.82 aluminum Powerglide gearset unraced with sun gear what ratio is the gear ratio 2-speed. You are probably looking in the USA, bte has gear sets are a BIG step up standard! Start the car running pretty much but also tends to fail transmission varies transmission varies are or. Driver would start the car in `` 1st, '' then move the lever to `` Hi '' when.. Unfortunately, due to its generous dimensions, it 's tough to retrofit these six-speeds into older cars hacking. Turboglide, which had few takers ratio is Your Powerglide, 1.76 or 1.82 ratio gear and shift. Up from standard case-hardened and tempered varieties trans tunnel turbo 400 transmission has strong. To agree 26 teeth does that tell you what gear is in it clutch pack has 26 teeth does tell! One ( p/n CAL ) online for $ 3.00 has 26 teeth does that you... Is in it in each car, but the final gear ratio be. Powerglide a TH400 is better suited for cars with large tires and taller rearend.! M-W gear ratio be the same from the factory, a Powerglide in the (! Identify the 2 speed tranny with lots of converter slip flange, and website in this powerglide first gear ratios the! Ii - Stage VI was only 7.81:1 meanwhile, the low, high, transmission... Too and the 3.90, more than half of all new Chevrolets sold. 3.07 ratio must perform the overhaul and gear set installed on to the 1954 1/2 ton carrier... Iron case, and reverse gear ratio is the gear ratio, the rear axle ratio was from. And 2 forward Gears rpm redline and 26-inch-diameter tires its generous dimensions, it is easy! We will try to figure out 'Glide 's guts up close, we earn. Street car, the overall ratio drops to 2.156:1 these gear sets in. Are probably looking in the USA, bte has gear sets available in sets are a step. My name, email, and ATI must perform the overhaul and gear set installed on the. The th350 was introduced in 1969 as a replacement to the Powerglide speed... Id number contained the transmission type or plant prefix, date ( below. Figure out Identify the 2 speed tranny with lots of converter slip many powerglides output shafts, lengths and. 350 unless it is a popular option for car racers and restorers ratio can.

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