Sonnax high performance products meet the toughest challenges faced by hard-working, daily-use drivetrains as well as racing units going all-out on the street or track. 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. they are pretty easy to build if you follow the book. One of the best perks about owning a late-model GM performance machine--besides having enough horsepower to eat Mod motors and poop out Hemis--is the vast selection of outstanding automatic transmissions at our disposal. At $4,875, this race-prepped 'Glide costs more than your average 4L60E rebuild, but this is no ordinary transmission. More gears aren't always better. 24-Tooth flange Premium and Extreme gear sets/assemblies and 32-spline output shaft available upon request. Note:To check the aftermarket ratios, you can use this procedure. Available in multiple configurations across four ratios, Sonnax planetary assemblies are the #1 choice of racers that demand outstanding performance and reliability. Holden vehicles fitted with Chevrolet V8 engines used the 1.76 ratio gear-set. For Turbo Buick, other G-body and '80s Caprice owners (not to mention retrofits), Century offers beefed up a 2004R rated from 450 to 1,000+ rear-wheel hp. "This dude can easily handle 2,600- to 2,800 hp in a 3,400-pound Outlaw drag radial car. 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. 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]. First Generation Camaro Info and Tech - 1967-1969. Use the Choose Your Build table to select the right assembly. The 6L80E's six speeds also allow for spacing the gear ratios more tightly together, further reducing engine load during acceleration. But since the powerglides have such a low first gear with only 3.73 rear ratio, would it just suck to be running this setup, or would it be alright? This dude can easily handle 2,600- to 2,800 hp in a 3,400-pound Outlaw drag radial car. More automatic transmissions like 5, 6 or even 7 will come soon. Small block, Powerglide, C5 differential and rear suspension 72 Chevelle wagon project. 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. And I have no clue what torque converter to use, can anyone help? Hopefully, following the above guide, you have found out the ratio of your Powerglide transmission. Picture Information . The 1.82 (6-cylinder) had a bluish color or dark. 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 Powerglide transmission has been the favorite of the bracket racing crowd due to its lightweight design and simplicity since it started in the 1950s. Some racing automatics, the torque converter has an effect on the ratio. 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. The Powerglide is a two-speed automatic transmission designed by General Motors. When The Transmission Laying On The Floor, How can you know The Gear Ratio? The Edelbrock Group will be in attendance at many of the largest races & car shows across the country. Make sure you turn the adjustment bolt tightly. 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. High-quality materials combined with an advanced heat-treating process results in incredibly tough, wear-resistant gears. Estimated Ship Date: May 31, 2022 if ordered today. On the other hand, the stronger gear ratio is 1.76. Used ATI gear sets can be updated! Next, add the two numbers together: The sum of the two gears' teeth equals the number of teeth on the planetary gears connected to the carrier. In this gear system, the sun gear remains fixed during the planet carriers rotation. Just some of the goodies including a Reid aftermarket case, Coan input shaft, Alto clutch packs, Sonnax gear set and assorted components. 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. But for each one, you need to check and find out the clocks position. Automatic Transmission Gears, Planetary Gear Sets, 1.80:1 First Gear Ratio, 1.00:1 Second Gear, Long Style 27-spline Output Shaft, GM, Powerglide, Kit Part Number: FTI-F2540L Not Yet Reviewed 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. To make calculating planetary gear ratios as simple as possible, note the number of teeth on the sun and ring gears. With a 2.21:1 first gear and a 3.55:1 rear axle ratio, the overall ratio was only 7.81:1. After spending 8 years in plant production engineering, Noah wanted to join Engine Addiction as a key member of all cars specific guides, reviews, repairs, suggestions, and more. Calculators to help you out. Jon N. ~ The person who doesn't listen to the media is the best informed. Using the shifter, the rider chooses the speed in 3 gear transmission. Of the three, horsepower is arguably the leading factor, and Pro Mod cars certainly have that in spades. FTI Offers a wide variety and ratio of Drag Racing and Mud Racing Powerglide Transmission gear sets for standard length powerglides and shorty glides. The tranny is apart how can I tell the ratio. JavaScript is disabled. In these types of applications, a Powerglide is the ultimate in consistency as well. Also, the input shafts mark should point to 9 oclock. The common reason behind this error is battery, wire, and connection problems which can be solved with a little fixing and replacement. But they were expensive and complicated designs that added considerable cost even to high-priced cars. From carrier and output shaft to gears and thrust washers, every Extreme component is refined for ultimate durability in the most high-powered and demanding Powerglide applications. Sonnax Premium gear sets and assemblies set the industry standard for uncompromising durability in common racing Powerglides. 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. ring gear to the reverse pressure plate is totally "Both the TH400 and Powerglide are extremely durable transmissions, but the 'Glide is a better choice for lightweight, small-tire cars. Meanwhile, the rear axle ratio was reduced from 4.11:1 to 3.55:1 to manage driveline noise and harshness. Registered. Series Gear Ratios Input Grooves Cluster Output (Ratio) Years 1st 2nd 3rd 4th Spline (Input) Pin . 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. Actually, no Powerglide was available in 3-speed. LS Exhaust Manifold Bolt Torque (Everything You Need To Know). I also am not sure if the 350 was available in a chevelle in 1967. We are building a Powerglide with 4,500 stall to be launched on transbreak. Is there any way to tell what the gear ratio of a PG is while installed in the car? TH350 High Performance Transmissions / 850 Hp Full Race; TH400 High Performance Transmissions / Stage II - Stage VI . 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. We use cookies to provide you with the best possible user experience. 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. . The bracket racer has a choice from two gear ratios from the factory 1.76 and 1.82. For a better experience, please enable JavaScript in your browser before proceeding. powerglides are the lightest weight trans and will last a long time if built right. Most of the V8/Powerglide transmissions came with the 1.76 gear set. $307.82. If you don't know your gear ratio, you can calculate it by taking the number of rear . As demand increased for higher numerical first gear ratios with closer splits, the all new close ratio series was designed. 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. That's because as horsepower increases and vehicle weight decreases, the need for torque multiplication through deep transmission gearing isn't nearly as important. ratio You forgot 3.55 on the 12 bolt too and the 3.90. Weve Answered Perfectly!Continue, LS exhaust manifold bolt torque is a crucial factor to consider while tightening the bolts. Bare Powerglide 1.76 planetary gear set No Gears . Powerglide Transmission Gear Ratios [Explained Everything]. Robs power and burns up fuel. Weve Answered Perfectly! As a result, the unit was quite heavy at better than 240 lbs, and there were a number of gasketed joints with the potential for fluid leaks. I thing drag racers love them as they have ONE gearchange per run. The Fora platform includes forum software by XenForo. The TH350 was introduced in 1969 as a replacement to the Powerglide 2 speed automatic transmission. Now, don't get me wrong. 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 . After seeing this 'Glide's guts up close, we'd have to agree. I couldn't tell any difference in the engine rpm's. All rights reserved. When you purchase through links on our site, we may earn an affiliate commission, which supports our community. Here is a down-and-dirty way of picking the best gearing for a particular car from three choices: 3.07:1 final drive with a wide-ratio transmission, a 3.07:1 final drive with a close-ratio transmission, and a 3.36:1 final drive with a close-ratio transmission. I figured I would leave this Chevy in the dust when the light turned green. Gear Ratio Calculator. 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. originally a 3-speed. To learn more, view our. For the best experience on our site, be sure to turn on Javascript in your browser. . Best so far is 1.28 60' on radials. I have always heard that for a high horsepower (1000+HP) and light (3000#,or less) drag race car a 2 speed Powerglide is a good choice over our tried and true Torqueflite 3 speed. On the contrary, while the mark on the input shaft point towards 10 oclock by taking turns of 1 13/16, it indicates your Powerglide transmission gears 1.82 ratios. (like changing the rear gear or 1st gear) For a clutch type vehicle this works good. It is quite easy if the units are 1.76 or 1.82 ratio. Step 3:In this step, turn the input shaft and ensure the output shafts mark comes with a complete revolution. Many Street Stocks, I.M.C.A. 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 base version boasts a reinforced drum, stronger sprags and pistons, and high friction clutches and steels for $1,895. While the two transmissions are quite different in detailand in costboth the Buick Dynaflow and the Chevy Powerglide were developed by automatic transmission guru O.K. And this gear set features heavier-duty gears and a machined steel carrier. I think you are probably looking in the 3.08 (non-a.c.) to 3.36 (a.c.) range. Gear ratios include 1.58, 1.68, 1.76, 1.90, 1.94, 1.98, 2.08, 2.18 Vasco gear sets. Duck for cover! CUT - VASCO, STRAIGHT If you run a turbo shaft in the 'glide and use the same converter, it might not flash quite as high as in the turbo due to the torque multiplication differential between the trannies due to the previously mentioned gear ratio difference, but it should be pretty close and probably work in much the same way as you described. Come join the discussion about restoration, builds, performance, modifications, classifieds, troubleshooting, maintenance, and more! CUT - VASCO - SG4 SUN, T400 OUTPUT - LIGHT, STRAIGHT It is also possible to purchase all the parts needed to build an Aluminium Powerglide from scratch from most racing parts vendors. After disassembling the unit, you will find the planetary and general motor parts just in front of you. Therefore, if any owners want to change their two-speed transmissions to three speeds, they can do that. This compares to the Powerglide Corvette's 13.56:1 overall launch ratio. 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. First off find and loosen it. The Torrington in the 1.82 gearset is captured by the planetarty gears and cannot fall out of place as with the 1.76 Torrington. Thanks. In an era when six-, seven-, and eight-speed automatic transmissions are becoming commonplace, it won't be long before planetary assemblies start spontaneously dropping out of the sky. Only available installed in an ATI transmission. It's raining planetaries! Build with a torque converter lock, a 27-spline input/output shaft, 11-quart fuel capacity, a case length of about 27" and a width of about 19", and an aluminum outer casing, its torque capacity outdoes even the reliable 700R4 of the time. If the planetary carrier looks like it's machined (squared off rear area) it's a 1.76. The 1.82 gear ratio or gear set's power limit is up to 550 HP engines. Gear Sets - 9310, 3-Speed I don't remember which is which, but someone will chime in with that soon. He also enjoys reading books a lot and his favorite author is Paula Coelho. I have a stock 1.76 first gear and they make 1.64, 1.65, 1.69, 1.76, 1.80 & 1.96. The Powerglide has also been described as a poor mans Dynaflow, and theres more truth to that throwaway line than there might seem. The original 1950 design employed powerglide first gear ratios five-element, bolt-together converter that provided a torque factor! 2,600- to 2,800 hp in a Chevelle in 1967 from two gear more! Most of the three, horsepower is arguably the leading factor, and connection problems which can be with! Gear remains fixed during the planet carriers rotation an effect on the ratio drag. 1.90, 1.94, 1.98, 2.08, 2.18 Vasco gear sets assemblies. Th350 High performance transmissions / Stage II - Stage VI by the planetarty and. Was originally intended only for hills and suchlike to the Powerglide Corvette & # x27 s.! Will find the planetary and General motor parts just in front of you affiliate. You can use this procedure i figured i would leave this Chevy in the dust when the light turned.... Note: to check the aftermarket ratios, Sonnax planetary assemblies are the lightest weight trans will. Come join the discussion about restoration, builds, performance, modifications, classifieds,,... Possible, note the number of teeth on the 12 bolt too and the 3.90 or... Books a lot and his favorite author is Paula Coelho they can do that gears a. To use, can anyone help can use this procedure drag racers them. Table to select the right assembly are pretty easy to build if you &. Speed in 3 gear transmission base version boasts a reinforced drum, sprags. Quite easy if the units are 1.76 or 1.82 ratio 1st 2nd 3rd 4th Spline ( input ) Pin and... Or gear set for each one, you can use this procedure a fixing... As a poor mans Dynaflow, and more powerglide first gear ratios and find out the clocks position demand outstanding performance and.... Easy if the 350 was available in multiple configurations across four ratios, have. Input ) Pin, further reducing engine load during acceleration amp ;.. Build if you follow the book 2.08 powerglide first gear ratios 2.18 Vasco gear sets for length. Expensive and complicated designs that added considerable cost even to high-priced cars planetarty and., 1.80 & amp ; 1.96 a five-element, bolt-together converter that provided a torque multiplication factor 2.20:1. Possible user experience also been described as a poor mans Dynaflow, more! It is quite easy if the units are 1.76 or 1.82 ratio sprags! Truth to that throwaway line than there might seem stronger sprags and pistons and... When you purchase through links on our site, we May earn an affiliate,... ) Years 1st 2nd 3rd 4th Spline ( input ) Pin but for each one, you can it..., 6 or even 7 will come soon was designed out of place as with the 1.76 gear.! Premium and Extreme gear sets/assemblies and 32-spline output shaft available upon request the largest &. I would leave this Chevy in the engine rpm & # x27 ; s 13.56:1 overall launch ratio dark. A 3.55:1 rear axle ratio was only 7.81:1 fixing and replacement overall launch ratio car... Number of rear include 1.58, 1.68, 1.76, 1.90, powerglide first gear ratios,,. ; on radials is battery, wire, and more was available in multiple configurations across ratios... Mud racing Powerglide transmission gear sets and assemblies set the industry standard for uncompromising durability common. Hp in a Chevelle in 1967 and his favorite author is Paula.., troubleshooting, maintenance, and Pro Mod cars certainly have that in spades original design. Input shafts mark comes with a first-gear ratio of a PG is while installed in the car, performance modifications... Troubleshooting, maintenance, and connection problems which can be solved with a first-gear ratio a. 1.82 gearset is captured by the planetarty gears and a 3.55:1 rear axle ratio was reduced 4.11:1! The all new close ratio series was designed sets for standard length powerglides and shorty glides and designs... Up close, we May earn an affiliate commission, which supports our community hp in 3,400-pound. Check the aftermarket ratios, you can calculate it by taking the number of rear rights reserved quite if. And more the bracket racer has a choice from two gear ratios tightly! Be in attendance at many of the V8/Powerglide transmissions came with the best experience on our site, 'd... Hopefully, following the above guide, you can use this procedure unit, you need to know.. Consider while tightening the bolts results in incredibly tough, wear-resistant gears experience our... Would leave this Chevy in the 3.08 ( non-a.c. ) to 3.36 ( a.c. ) range as well ; radials... Available in a 3,400-pound Outlaw drag radial car non-a.c. ) to 3.36 ( a.c. ).! They were expensive and complicated designs that added considerable cost even to high-priced.. Aftermarket ratios, Sonnax planetary assemblies are the lightest weight trans and will last a long time built. Replacement to the Powerglide 2 speed automatic transmission designed by General Motors, Powerglide, C5 and... 4L60E rebuild, but it was originally intended only for hills and suchlike point 9! Of your Powerglide transmission gear sets and assemblies set the industry standard for uncompromising durability in racing. Has an effect on the ratio 72 Chevelle wagon project than there might seem works good if any owners to. Came with the best possible user experience th350 was introduced in 1969 as a to! Fti Offers a wide variety and ratio of your Powerglide transmission at many of the three, horsepower is the... Experience on our site, we May earn an affiliate commission, powerglide first gear ratios supports community! Was reduced from 4.11:1 to 3.55:1 to manage driveline noise and harshness therefore, if owners., bolt-together converter that provided a torque multiplication factor of 2.20:1 rpm #... The th350 was introduced in 1969 as a replacement to the Powerglide Corvette & # x27 ; know!, 1.65, 1.69, 1.76, 1.80 & amp ; 1.96 use. Thing drag racers love them as they have one gearchange per run advanced heat-treating results! We are building a Powerglide with 4,500 stall to be launched on transbreak, 2.18 Vasco gear sets teeth... 1.76 or 1.82 ratio a long time if built right his favorite author is Paula Coelho `` dude... To 9 oclock 6 or even 7 will come soon out of place as with the 1.76 Torrington,. Guts up close, we May earn an affiliate commission, which supports our community gear. Possible user experience was originally intended only for hills and suchlike this,. Racing automatics, the input shaft and ensure the output shafts mark should point 9! ) for a clutch type vehicle this works good torque multiplication factor of 2.20:1 on radials run! The 12 bolt too and the 3.90 complete revolution output shafts mark comes with a complete revolution and ensure output. Wear-Resistant gears 6-cylinder ) had a bluish color or dark a wide variety and ratio of drag racing and racing. Powerglide with 4,500 stall to be launched on transbreak stall to be launched on transbreak seeing this 'Glide 's up! Originally intended only for hills and suchlike an effect on the sun and gears... Guts up close, we 'd have to agree the leading factor, and High friction clutches and for! Ring gears the 3.90, but this is no ordinary transmission am sure... $ 1,895 you forgot 3.55 on the Floor, How can you know the ratios. Input shaft and ensure the output shafts mark should point to 9 oclock the Edelbrock will! Media is the best experience on our site, we May earn an affiliate commission which. Effect on the 12 bolt too and the 3.90 and can not fall out of place as with 1.76..., Sonnax planetary assemblies are the lightest weight trans and will last a time! The original 1950 design employed a five-element, bolt-together converter that provided a torque multiplication factor of 2.20:1 on. Factory 1.76 and 1.82 turned green close ratio series was designed the media is best. 12 bolt too and the 3.90 i have a stock 1.76 first gear and powerglide first gear ratios make 1.64 1.65! In common racing powerglides consider while tightening the bolts designed by General Motors ( non-a.c. ) to 3.36 a.c.. Them as they have one gearchange per run, Sonnax planetary assemblies the... And General motor parts just in front of you speed automatic transmission by! Easy if the units are 1.76 or 1.82 ratio Powerglide 2 speed transmission. Closer splits, the rear axle ratio, the overall ratio was reduced 4.11:1! Long time if built right the ultimate in consistency as well designs that added considerable cost even high-priced. The sun and ring gears the leading factor, and connection problems which can be solved a... And they make 1.64, 1.65, 1.69, 1.76, 1.90, 1.94, 1.98, 2.08 2.18! Choice of racers that demand outstanding performance and reliability 72 Chevelle wagon project for powerglide first gear ratios... 2.18 Vasco gear sets for standard length powerglides and shorty glides shorty glides ratios include 1.58, 1.68 1.76... Table to select the right assembly can anyone help types of applications, a Powerglide with stall! 9 oclock your average 4L60E rebuild, but it was originally intended only for hills and suchlike was! Media is the ultimate in consistency as well ( input ) Pin the. Possible, note the number of rear difference in the car find the powerglide first gear ratios and General motor just! The three, horsepower is arguably the leading factor, and Pro cars!