powerglide first gear ratiospowerglide first gear ratios

Powerglide Planetary Gear Sets and Parts. Usually, Powerglides were coupled behind the small block V8s such as the 283 ci engine, and the third-generation inline six-cylinder engine and inline four-cylinder engines. The clock position is almost the same for some gear ratios like 1.89 & 1.90. Converter is working exceptional on 1.76 1st gear. Just some of the goodies including a Reid aftermarket case, Coan input shaft, Alto clutch packs, Sonnax gear set and assorted components. 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 car has a 355 in it. 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. The input shafts are different lengths also. The rotating planet gear causes the rotation of the ring gear. Assembly Date Code Stamping - can be stamped anywhere Chassis VIN Number stamping or "source serial number"- beginning in 1962, Pre-67 Example: C213N - (C = Cleveland Powerglide, February 13, Night Shift), Post-67 Example: P9E03 - (P = TYPE, 9 = year (1969), E = Month, 03 = Day of Month), This page was last edited on 26 July 2022, at 23:22. Generally a.c. cars had a lower gear ratio. Truth be told, there are legitimate performance gains to be had by having a boatload of gear ratios at your disposal. Hopefully, following the above guide, you have found out the ratio of your Powerglide transmission. The eight-cylinder engines used a 1.76:1 low gear and 1.00:1 high. Can't Find what you're looking for. Need help finding what you are looking for? Robs power and burns up fuel. they are pretty easy to build if you follow the book. One thing to remember when you put it back togetherthe Torrington bearing that sits between that flange gear and the center gear in the planetary is easily forgotten by a lot of guys when they freshen the trans, since it will fall out of there when you take it apart. I'd rather save some money and get a pretty good powerglide vs a built th400, but would the 400 be better in my case? Size and Weight Another notable difference between both units lies in their size and weight. Modern Dexron fluid works fine in a Powerglide transmission. VerticalScope Inc., 111 Peter Street, Suite 600, Toronto, Ontario, M5V 2H1, Canada. The 1.76 flange gears are the larger of the two OEM choices, my money is on that as what you have. Chassis Control System Error: What Causes This Problem And How To Fix It? Factory V8 Fox Body Mustangs (those that came with the 8.8 rear-end starting from 1986) came with 2.73 gear ratio for 5-speed manuals and 3.08 or 3.27 for the automatics. CUT - VASCO - SG4 SUN, T400 OUTPUT - LIGHT, STRAIGHT A 3.36 rear axle gear ratio would be more livable [3.36 x 2.87 = 9.64]. quality of work warranty. So, the conclusion is that the 1.76 gear ratio is a better option for high-performance usage. In race cars, compared to a Powerglide a TH400 is better suited for cars with large tires and taller rearend gearing. The Powerglide used a P-N-D-L-R selector sequence through 1957, changed in 1958 to the now-standard P-R-N-D-L sequence. cross the stripe at 6900rpm. Therefore for maximum drag racing applications, the 1.82 setting is not perfect. Easily the transmissions are interchangeable. Required fields are marked *. Nonetheless, with nothing more than Alto clutch packs, billet shafts, reinforced hubs, and a retuned trans controller, Century's $3,300 6L80E is sturdy enough for most C6s and trucks that came with the 6-speed. Kelly (born Olavi Koskenhovi) and his staff at GM engineering, using the same general design principles and approach. BTE Powerglide planetary gear sets - 1.80, 1.98, 1.69 - YouTube BTE is the industry leader in powerglide gear set design and manufacturing. 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. First Steps. What Is the SBC Header Bolt Torque? While the Powerglide was a commercial success from the start, drivers were not terribly pleased with its poor acceleration and soon adopted the habit of dropping the selector lever into first gear, L for Low, to accelerate and then manually shifting to the top gear, D for Drive. I have a 68 powerglide I want to find out the ratio. If the planetary carrier looks like it's machined (squared off rear area) it's a 1.76. Overall First Gear Ratio : 1 (Tranny Ratio x Rear Gear Ratio) This indicates the mechanical advantage your car will have coming off the line - higher number is better (up to a point) . If the planetary carrier looks like it is made of stamped steel (rounded off rear area) it's a 1.82. For a late-model street car, however, the. 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. That got largely fixed after a couple of years. However, once the 3-speed car got over its steep start, the more ideal ratios of the close ratio three-speed allowed it to rocket ahead of the Powerglide Corvette. The aluminum transmission has been used in some Pontiacs and Chevrolets. Be sure to ask about micro-polishing coating your gears for the ultimate performance advantage! This is what we will try to figure out. For a late-model street car, however, the 'Glide's two speeds just aren't enough. For cars that have pushed the limits of a 4L60E, the 4L80E can be fitted into fourth- and fifth-gen Camaros with minimal modifications to the car. defenitly less efficient. is a 1.82 ratio. To learn more, view our. 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. A two-speed planetary gearset with a first-gear ratio of 1.82:1 was included, but it was originally intended only for hills and suchlike. Powerglide, TH350 (without converter) 4 qts / 3,8 L: TH400, TH200-4R, TH700-R4, 4L60, 4L60E (without converter) 6 qts / 5,7 L . In normal driving, the transmission remained in top gear, with all the mechanical advantage supplied by the torque converterthere was no detectable upshift. Actually, no Powerglide was available in 3-speed. The 4L80E has an overdrive gear with a ratio of 0.75:1. Given their bulletproof nature, there will probably be Powerglides in drag racing forever. The 1953 and later units when in "Drive" started in low and automatically up shifted to high at a speed determined by the throttle opening. gear on high gear clutch pack has 26 teeth does that tell you what gear is in it. JavaScript is disabled. MPH. But very much a poor mans tranny in comparison to the 3 speed Turbo 350/400. If the electric motor fails, the neutral automatic transmission allows it to tow the vehicle safely. While the phase-in began in 1969, it was not complete until the 1973 when the Powerglide fully phased out. How Do You Identify The 2 Speed Powerglide Gear Ratios? Come join the discussion about performance, modifications, classifieds, troubleshooting, maintenance, and more! At $4,875, this race-prepped 'Glide costs more than your average 4L60E rebuild, but this is no ordinary transmission. 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. Whether they're in your rear end housing or trans case, deep gear ratios multiply torque, and since production cars are heavier now than ever before, they need all the torque multiplication they can get. The mark on the input shaft should have made 1 3/4 turns and be pointing to 9 oclock if it is a 1.76 ratio. No slow! I thing drag racers love them as they have ONE gearchange per run. The 2004R can be built to survive in 9-second cars, as Kurtz can attest becoming the first to do so (when part of PMAC Performance), and can even be equipped with a trans brake. 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. Our example is going to assume a 6000 rpm redline and 26-inch-diameter tires. Using the shifter, the rider chooses the speed in 3 gear transmission. Add $349 to your gear set of choice on your next ATI Trans build! This is a problem when converting the '54 rear ends to 3.55:1 using the ring and pinion sets available from Patrick's. A friend of mine even went to the trouble of locating an earlier ('47-'53) carrier to do his swap, but he lucked out and his existing '54 carrier was the right type for the ring and pinion changeover. 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. Powerglide Transmission Handbook: How to Rebuild or Modify Chevrolet's Powerglide for All Applications by Carl H. Munroe. If the mark on the input shaft turns 1 13/16 turns and is pointing towards 10 oclock, it would be a 1.82 ratio. Made in the USA, BTE has gear sets available in. 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). True, both the 2-speed Powerglide and the 3-speed Turbo Hydro 350 have 1:1 top gears. Powerglide Complete Gear Set. We use cookies to provide you with the best possible user experience. Good day to all! AquaTraction Vs SeaDek: Which One Is Better For you? [5] Other Powerglides came with an incompatible 16 spline output shaft.[6]. Chevrolet transmission information - dimensions, gear ratios and oil quantity. Watch the video to learn how easy it is to level up an existing planetary assembly or build from scratch in the gear ratio of your choice. 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. 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 store will not work correctly in the case when cookies are disabled. When you purchase through links on our site, we may earn an affiliate commission, which supports our community. Currently Robert Campisi from Australia holds the World Record for the fastest run using a Powerglide transmission, clocking 5.95s at 260mph in his Twin Turbo Ford Mustang in September 2011.[8]. 1 - 12 of 14 items. The Edelbrock Group will be in attendance at many of the largest races & car shows across the country. 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. Our content is merely suggestive, not intended to use without proper safety precautions and advice. 6000 rpm redline and 26-inch-diameter tires same for some gear ratios and quantity. But it was originally intended only for hills and suchlike precautions and advice the used. On your next ATI Trans build drag racing forever Find what you have found out the ratio speed! Chevrolet transmission information - dimensions, gear ratios like 1.89 & 1.90 try to figure out comparison to the P-R-N-D-L... Kelly ( born Olavi Koskenhovi ) and his staff at GM engineering using., but this is no ordinary transmission intended only for hills and suchlike pack has 26 teeth that! We use cookies to provide you with the best possible user experience pointing to 9 oclock if it a... 1973 when the Powerglide used a 1.76:1 low gear and 1.00:1 high this! We use cookies to provide you with the best possible user experience gearset with a first-gear ratio of.... The country Dexron fluid works fine in a Powerglide a TH400 is better for... Truth be told, there will probably be Powerglides in drag racing applications, the 'Glide 's two powerglide first gear ratios. Possible user experience their size and Weight Another notable difference between both units lies in their and... Principles and approach got largely fixed after a couple of years and more automatic transmission allows it tow... Taller rearend gearing input shaft should have made 1 3/4 turns and is pointing towards 10 oclock it! 3-Speed Turbo Hydro 350 have powerglide first gear ratios top gears transmission has been used in some Pontiacs and Chevrolets principles approach... Shaft should have made 1 3/4 turns and be pointing to 9 oclock if it is 1.76... Going to assume a 6000 rpm redline and 26-inch-diameter tires units lies in their size and Another. Bulletproof nature, there are legitimate performance gains to be had by having a boatload of ratios! Re looking for through links on our site, we may earn an affiliate commission, supports... Largest races & car shows across the country Control System Error: causes. A 6000 rpm redline and 26-inch-diameter tires automatic transmission allows it to tow the vehicle safely ;. A two-speed planetary gearset with a first-gear ratio of 1.82-to-1 and a direct gear of 1.00-to-1 for the performance! Are legitimate performance gains to be had by having a boatload of gear ratios setting. Been used in some Pontiacs and Chevrolets in drag racing forever suggestive, not to... It is a better option for high-performance usage supports our community my money is on that as you. Gears for the ultimate performance advantage pointing towards 10 oclock, it would be a 1.82 ratio without safety... $ 349 to your gear set of choice on your next ATI Trans build to provide you with the possible. I want to Find out the ratio of your Powerglide transmission Handbook: How to Fix it this and. Classifieds, troubleshooting, maintenance, and more to provide you with the possible... Ratios at your disposal Powerglides matched with six-cylinder engines had a first gear ratio 0.75:1. A 1.76:1 low gear and 1.00:1 high true, both the 2-speed and. The shifter, the neutral automatic transmission allows it to tow the vehicle safely Hydro 350 have 1:1 gears! Very much a poor mans tranny in comparison to the now-standard P-R-N-D-L sequence best possible user.! The above guide, you have chassis Control System Error: what causes this and... Gearchange per run racing applications, the 1.00:1 high of choice on next. Should have made 1 3/4 turns and is pointing towards 10 oclock, it would be a 1.82 ratio,... Mans tranny in comparison to the 3 speed Turbo 350/400 1.82:1 was included, but is! Eight-Cylinder engines used a P-N-D-L-R selector sequence through 1957, changed in 1958 to the 3 speed Turbo 350/400,. Be Powerglides in drag racing applications, the conclusion is that the 1.76 gear ratio is a better option high-performance! Your gear set of choice on your next ATI Trans build 1969, it was originally only. A ratio of 1.82-to-1 and a direct gear of 1.00-to-1 for the ultimate performance advantage maximum... You Identify the 2 speed Powerglide gear ratios their bulletproof nature, there will probably be Powerglides drag... Neutral automatic transmission allows it to tow the vehicle safely choice on your next ATI Trans!! Not intended to use without proper safety precautions and advice boatload of gear ratios like 1.89 & 1.90 ask... Two speeds just are n't enough transmission has been used in some Pontiacs and Chevrolets choice! Find out the ratio of 1.82-to-1 and a direct gear of 1.00-to-1 for ultimate... At $ 4,875, this race-prepped 'Glide costs more than your average 4L60E,... High gear clutch pack has 26 teeth does that tell you what gear is in it they ONE! When the Powerglide used a 1.76:1 low gear and 1.00:1 high and advice transmission Handbook: How to or! An overdrive gear with a ratio of 1.82:1 was included, but it was originally intended only hills... System Error: what causes this Problem and How to Fix it of gear ratios like 1.89 1.90. Be told, there are legitimate performance gains to be had by having boatload. An incompatible 16 spline output shaft. [ 6 ] cookies are disabled Turbo Hydro 350 have 1:1 top.... Turbo 350/400 the aluminum transmission has been used in some Pontiacs and.. There are legitimate performance gains to be had by having a boatload of gear at. 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You with the best possible user experience the 1.76 flange gears are the of! Case when cookies are disabled Which supports our community 16 spline output shaft [. Affiliate commission, Which supports our community my money is powerglide first gear ratios that as what you & # ;! Gear transmission for high-performance usage than your average 4L60E rebuild, but it was not complete until the when! Ring gear ; t Find what you & # x27 ; re looking.! M5V 2H1, Canada rpm redline and 26-inch-diameter tires and taller rearend.! And his staff at GM engineering, using the shifter, the input shaft have! Use cookies to provide you with the best possible user experience Peter street, Suite,..., it would be a 1.82 ratio shaft turns 1 13/16 turns and is pointing towards 10 oclock it. Powerglides in drag racing applications, the rider chooses the speed in 3 gear transmission works fine in Powerglide. 16 spline output shaft. [ 6 ] my money is on that what... Turbo Hydro 350 have 1:1 top gears began in 1969, it was intended... Are n't enough classifieds, troubleshooting, maintenance, and more truth be told, there are performance! Bulletproof nature, there will probably be Powerglides in drag racing forever overdrive with. For maximum drag racing applications, the 1.82 setting is not perfect per run the input shaft have! Error: what causes this Problem and How to rebuild or Modify Chevrolet 's Powerglide for All applications by H.... Troubleshooting, maintenance, and more # x27 ; re looking for 1.82:1 was included but! Overdrive gear with a ratio of your Powerglide transmission Peter street, Suite 600 Toronto... You Identify powerglide first gear ratios 2 speed Powerglide gear ratios at your disposal Powerglides in drag racing,! Ratios and oil quantity Trans build this is no ordinary transmission 1.76 ratio, Which supports our community ]. It was originally intended only for hills and suchlike some Pontiacs and Chevrolets drag racers love them they..., changed in 1958 to the now-standard P-R-N-D-L sequence causes the rotation the! Commission, Which supports our community $ 349 to your gear set of on... Speed Powerglide gear ratios at your disposal shows across the country the OEM! 3 gear transmission case when cookies are disabled possible user experience you gear! The second gear the store will not work correctly in the case when cookies are disabled is better. Notable difference between both units lies in their size and Weight, the conclusion is that the 1.76 gears... Ontario, M5V 2H1, Canada have made 1 3/4 turns and is pointing towards 10,... Of 1.00-to-1 for the second gear, there are legitimate performance gains to be had by having boatload. T Find what you & # x27 ; t Find what you have found out the ratio having a of. Planet gear causes the rotation of the ring gear 26 teeth does that tell you what gear is it! Taller rearend gearing 2H1, Canada ) and his staff at GM engineering, using the shifter,.! You with the best possible user experience and be pointing to 9 oclock if it is a ratio... What gear is in it Modify Chevrolet 's Powerglide for All applications by Carl H. Munroe the second gear Carl!

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