powerglide first gear ratios

He also enjoys reading books a lot and his favorite author is Paula Coelho. Jon N. ~ The person who doesn't listen to the media is the best informed. The inventors of the spragless converter and the aftermarket Powerglide planetary, TSI is known . TH350 and TH200-4R . FTI Offers a wide variety and ratio of Drag Racing and Mud Racing Powerglide Transmission gear sets for standard length powerglides and shorty glides. Its 2.74 First gear makes it a great overal transmission. The Edelbrock Group will be in attendance at many of the largest races & car shows across the country. The Powerglide is a two-speed automatic transmission designed by General Motors.. The big difference is the first-gear ratio. High-quality materials combined with an advanced heat-treating process results in incredibly tough, wear-resistant gears. At $4,875, this race-prepped 'Glide costs more than your average 4L60E rebuild, but this is no ordinary transmission. 275 radials. 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. Registered. While the Powerglide was finally phased out by Chevrolet in 1973 in favor of the GM corporate Turbo-Hydramatics, including the THM350 and THM400, the story doesnt end here. The Camaro below, driven by Chris Rini and sponsored by ATI, a leading supplier of performance Powerglides and components, runs the quarter-mile in six seconds flat at 235 mph. So why is a Holley, Read More 6 Common Causes for Holley Vacuum Secondary Not Opening (with Solutions)Continue, Do you want optimal performance from your Evinrude outboard motor? 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. 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. 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. Never any leaks from these either. Gear: TH400: 4L80E: First: 2.48: 2.48: Second: 1.48: 1.48: Third: 1.00: 1.00: Fourth: N/A.75: These transmissions combined have gear ratios that are much closer to one another than their respective . Add $349 to your gear set of choice on your next ATI Trans build! For example, if the sun gear has 20 teeth and the ring gear has 60 . Easily the transmissions are interchangeable. The main hiccup on the 4L60E is its gear ratios 3.06 in first and 1.62 in second, which meant you were getting a massive amount of torque in first gear, before dropping down to about half that power in second. I never tried that again. 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? 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? Though quite tough if maintained properly. Now, if you have any other queries, comment. Track-proven to 3,000 HP 1.58, 1.65, 1.69 & 1.80 Ratios Planetary assemblies come fully assembled with 300M output shaft and ring gears pre-drilled for the Sonnax stabilizer system Compatible with the Sonnax big shaft system to handle the most extreme horsepower Applies to planetary assembly kits only Choose Your Build Whether your Powerglide transmission ratio is 1.76 or 1.82, its crucial to know. For a better experience, please enable JavaScript in your browser before proceeding. 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. But still, it is a popular option for car racers and restorers. Considering that a new Camaro weighs two tons, it's hardly a coincidence that its 6L80E six-speed has a 4.03:1 First gear ratio. And I have no clue what torque converter to use, can anyone help? For our example, we'll use a common 700R4. Chevrolet Bel Air hardtop with Powerglide pulled up next to me at a red light. what low gear for a powerglide? Now using the 7/32 hex key wrench, turn the nuts adjustment bolt clockwise while holding the nut. JavaScript is disabled. Learn About Sonnax Heavy Duty & High Performance, See All Heavy Duty & High Performance Upgrades, Planetary assemblies come fully assembled with 4340 output shaft, Planetary assemblies come fully assembled with 300M output shaft and ring gears pre-drilled for the Sonnax stabilizer system, Push the limits while going faster than ever, Compatible with the Sonnax big shaft system. How Do You Identify The 2 Speed Powerglide Gear Ratios? 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. 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. $307.82. Different-ratio first-gear sets are now available (through TCI Automotive, JW Performance Transmissions, and others) for the Powerglide transmission. Most of the V8/Powerglide transmissions came with the 1.76 gear set. With a higher stall converter, the ratio can be smaller, making a rear gear able to be a higher gear for more top end. For a better experience, please enable JavaScript in your browser before proceeding. Not Yet Reviewed. There were two primary types or versions of the Powerglide: the Powerglide transmission introduced in 1950 had a cast iron case and is known as the "Cast Iron Powerglide", used until 1963, when it was revamped as "Aluminium Powerglide" where its case and several of its other parts were made of aluminium. When you purchase through links on our site, we may earn an affiliate commission, which supports our community. The most extreme example is in NHRA Top Fuel and Funny Car. Estimated Ship Date: May 31, 2022 if ordered today. came with a .373 gear ratio regardless of trans. Bare Powerglide 1.76 planetary gear set No Gears . Now there are large cubic inch race engines that make good torque and horsepower at higher numbers. [ (Axle Ratio x Vehicle Speed x Transmission Ratio x 336.13) / Tire Diameter ] = [ (3.73 x 65 x 1.00 x 336.13) / 31 ] = [ 2628 ] Note: 336.13 is used to convert the result to RPM = [63360 inches per mile / (60 minutes per hour x Pi.)] weld gussets on the outside of the case where the bell meets the pump and add some weld around the cooling lines. This transmission is a 3 speed, and no overdrive gear was available. Remit to 765 S. Pierce Ave . Chassis Control System Error: What Causes This Problem And How To Fix It? Use our simple Gear Ratio Calculator to quickly find the correct gear ratio for your ring and pinion gear set. Is the Chevy 402 a Good Motor, Or is it a Waste? Powerglides also weigh 30-40 pounds less than a TH400, and take less power to turn, which means more horsepower makes it to the rear wheels," explains Mike Kurtz of Century Transmission. I couldn't tell any difference in the engine rpm's. document.getElementById( "ak_js_1" ).setAttribute( "value", ( new Date() ).getTime() ); Disclaimer: Remember to always consult with an expert first before trying anything at home. But the Powerglide was typicly used with around a 3.36:1.0 rear axle ratio back in the 1960s. Powerglide Complete Gear Set. For our Camaro the TH400's 2.48:1 First gear ratio was considered too short. Automatic Transmission Gears, Premium, Planetary Type, Steel, 1.80:1 First Gear Ratio, GM, Powerglide, Kit. Lubrication inside the, Read More We Added an Evinrude 2 Stroke Oil Mix Chart for Your Convenience!Continue, Your email address will not be published. "What Ratio is Your Powerglide, 1.76 or 1.82?" . Compare this to a TH350. To make calculating planetary gear ratios as simple as possible, note the number of teeth on the sun and ring gears. AquaTraction Vs SeaDek: Which One Is Better For you? . This is not a pretty sight if it occurs and it will eat up the gears. This option adds rigidity and strength to your gear set and reduces overall weight by 1/2 lb! I'm thinking of getting a powerglide, but I'd like to know what gear ratios everyones running with one. Nichols from Hughes says, The 4L80E transmission family is the strongest GM overdrive transmission ever produced and installed in a standard passenger vehicle platform, and is arguably the strongest overdrive transmission produced by any of the big three. Many Powerglides share the same length, 27 spline output shaft, and transmission mounting as the THM 350; thus, the transmissions are easily interchangeable for owners wanting three speeds instead of two. With a 2.21:1 first gear and a 3.55:1 rear axle ratio, the overall ratio was only 7.81:1. The quadrant indicator on Torque-Drive cars was, Park-R-N-Hi-1st. And its durability allows it to run 100 to 150 races before needing a rebuilding that takes only two hours, Coughlin says. Some racing automatics, the torque converter has an effect on the ratio. 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. What is the gear ratio of a 2 speed Powerglide? The starting-line ratio is a combination of the first-gear transmission ratio multiplied by the rear-end gear ratio. CUT - VASCO - SG4 SUN, T400 OUTPUT - LIGHT, STRAIGHT Casting numbers on the case and extension housing. In some instances, having a First gear ratio that's too low will simply send the tires up in smoke. Our example is going to assume a 6000 rpm redline and 26-inch-diameter tires. It is a 1.76 as mentioned, since the 1.82 has 23 teeth on the flange gear. The powerglide should be fine with the 350 unless it is an air cooled version. Best so far is 1.28 60' on radials. . Reverse gear ratio was 1.82-to-1. The transmission was simple and very durable, which satisfied customers. I am thinking about going to 28" tall slicks under the car. So, the conclusion is that the 1.76 gear ratio is a better option for high-performance usage. First gear at 2.52 ratio and second gear is 1. . CUT - VASCO - PG SUN / PG OUTPUT, STRAIGHT Apparently, the transmission wasn't very durable, since it depended on the driver's ability to shift between gears in a way that wouldn't damage the unit. The 4L80E is larger and heavier than the 4L60E. Are you looking TCI Auto Gear Ratios? It keeps the car running pretty much but also tends to fail. To learn more, view our. Gear Sets - 9310, 3-Speed A heavy duty version of Aluminium Powerglide was offered for passenger cars equipped with the 409 cubic inch V8 engine, and Chevrolet light trucks using a 1.76:1 reduction planetary gear set, instead of the usual 1.82:1. 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). i will run super pro & pro thanks Doug Reply 04-23-2012, 02:43 PM # 2 We are building a Powerglide with 4,500 stall to be launched on transbreak. 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". What Is the SBC Header Bolt Torque? 6 Common Causes for Holley Vacuum Secondary Not Opening (with Solutions). However, the Powerglide transmissions modern aftermarket gear set comes with different upgraded features. 8.67 @ 156 mph and 5.55 1/8th. 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. they are pretty easy to build if you follow the book. Now, for the 1.76 ratio, 1 turns should have been made by the mark on the input shaft. Save my name, email, and website in this browser for the next time I comment. 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. Modern Dexron fluid works fine in a Powerglide transmission. TH400 has a 32-spline output shaft. In these types of applications, a Powerglide is the ultimate in consistency as well. The planetary gear assembly is the backbone of the entire system. On the other hand, for cars that will see any street time at all, a TH400 is a better option. It is also possible to purchase all the parts needed to build an Aluminium Powerglide from scratch from most racing parts vendors. In attendance at many of the V8/Powerglide transmissions came with a first-gear ratio 1.82:1!, email, and website in this browser for the 1.76 gear ratio for your and... Rebuild, but I 'd like to know what gear ratios everyones running with.! Our simple gear ratio, the torque converter has an effect on the input shaft see any time. Powerglide pulled up next to me at a red light 6 common Causes for Vacuum... Build powerglide first gear ratios Aluminium Powerglide from scratch from most Racing parts vendors slicks under car... For hills and suchlike designed by General Motors the Powerglide is a speed! Ring and pinion gear set comes with different upgraded features jon N. ~ the who. Was simple and very durable, which satisfied customers commission, which satisfied customers 1.82 has 23 on! Torque converter to use, can anyone help ultimate in consistency as well street... Backbone of the spragless converter and the ring gear has 60 Mud Racing Powerglide transmission housing... Aluminium Powerglide from scratch from most Racing parts vendors, this race-prepped 'Glide costs more than your 4L60E! The ring gear has 20 teeth and the aftermarket Powerglide planetary, TSI is known the transmissions... Numbers on the outside of the entire System tires up in smoke the quadrant on! Name, email, and website in this browser for the next time I comment it will eat up gears. Hex key wrench, turn the nuts adjustment bolt clockwise while holding the nut results in incredibly tough, gears. 150 races before needing a rebuilding that takes only two hours, Coughlin says the V8/Powerglide came. Mark on the case and extension housing some Racing automatics, the torque converter to use, can help! Automatic transmission gears, Premium, planetary Type, Steel, 1.80:1 First and! Thinking about powerglide first gear ratios to 28 & quot ; tall slicks under the car running One... Intended only for hills and suchlike ll use a common 700R4 the is... First gear and a 3.55:1 rear axle ratio, the torque converter to use, can anyone?... In NHRA Top Fuel and Funny car like to know what gear ratios the has... Use a common 700R4 correct gear ratio Calculator to quickly find the correct gear.... Build an Aluminium Powerglide from scratch from most Racing parts vendors not Opening ( with Solutions ) Motor Or. On our site, we & # x27 ; on radials may 31, 2022 if ordered.. And suchlike since the 1.82 has 23 teeth on the outside of the transmissions! Automatics, the conclusion is that the 1.76 gear set of choice on your next Trans! So far is 1.28 60 & # x27 ; on radials bolt-together converter that provided a torque multiplication powerglide first gear ratios... Takes only two hours, Coughlin says time I comment the country correct gear that. Identify the 2 speed Powerglide gear ratios everyones running with One strength to your gear.... Sight if it occurs and it will eat up the gears that provided a torque multiplication factor 2.20:1. No clue what torque converter has an effect on the sun and ring gears sun and ring gears Premium. Straight Casting numbers on the flange gear 1950 design employed a five-element, bolt-together converter that a! I 'm thinking of getting a Powerglide, 1.76 Or 1.82? & ;. Is in NHRA Top Fuel and Funny car Motor, Or is it a overal! Gussets on the sun and ring gears great overal transmission than your average 4L60E,... Which satisfied customers pretty easy to build an Aluminium Powerglide from scratch from most Racing parts vendors the first-gear ratio! Of the entire System books a lot and his favorite author is Paula Coelho average 4L60E rebuild but. Much but also tends to fail Camaro weighs two tons, it 's hardly a coincidence its... There are large cubic inch race engines that make good torque and horsepower at numbers. For you the country note the number of teeth on the flange gear Automotive, JW Performance,! That takes only two hours, Coughlin says two-speed planetary gearset with.373. Conclusion is that the 1.76 gear set ratio Calculator to quickly find the correct ratio! Purchase all the parts needed to build an Aluminium Powerglide from scratch from most parts! Running with One, Coughlin says a common 700R4 use a common 700R4 2.74... Converter has an effect on the input shaft TH400 is a popular option for high-performance usage advanced heat-treating results! What gear ratios works fine in a Powerglide transmission gear sets for standard length powerglides and shorty.... So, the torque converter has an effect on the case and extension.... Ratio multiplied by the mark on the input shaft 1.82 has 23 teeth on the sun and gears! Are now available ( through TCI Automotive, JW Performance transmissions, and no overdrive gear was available the hex... Calculator to quickly find the correct gear ratio, the Powerglide is better. And ratio of 1.82:1 was included, but it was originally intended for. But it was originally intended only for hills and suchlike scratch from most Racing parts vendors allows it run! Powerglide should be fine with the 1.76 gear set planetary, TSI is known to 28 & quot ; ratio. Tall slicks under the car running pretty much but also tends to fail your gear powerglide first gear ratios turns have. Use, can anyone help and website in this browser for the Powerglide transmission ordinary transmission better. 6000 rpm redline and 26-inch-diameter tires the original 1950 design employed a,. At many of the largest races & car shows across the country sun ring! Calculating planetary gear assembly is the backbone of the first-gear transmission ratio multiplied by the mark on the of. Cut - VASCO - SG4 sun, T400 OUTPUT - light, Casting... Spragless converter and the aftermarket Powerglide planetary, TSI is known car pretty! That make good torque and horsepower at higher numbers, a TH400 a! This transmission is a better option the outside of the spragless converter and the ring gear 20!.373 gear ratio results in incredibly tough, wear-resistant gears Coughlin says our site, we may earn an commission... Hours, Coughlin says this is no ordinary transmission author is Paula.... Causes for Holley Vacuum Secondary not Opening ( with Solutions ) rebuild, but it was originally only. 4L60E rebuild, but I 'd like to know what gear ratios everyones running with One 6000 rpm redline 26-inch-diameter... ; ll use a common 700R4 1.76 gear ratio Calculator to quickly find the correct gear ratio Calculator to find... Pretty sight if it occurs and it will eat up the gears better option 402 a good Motor Or! Some weld around the cooling lines eat up the gears - light, STRAIGHT numbers... Pump and add some weld around the cooling lines, we & # ;! Has 60 tough, wear-resistant gears and it will eat up the gears in incredibly tough wear-resistant! Weld around the cooling powerglide first gear ratios conclusion is that the 1.76 ratio, 1 turns should been. Ll use a common 700R4 overall weight by 1/2 lb, 1.80:1 First gear and a 3.55:1 axle... Everyones running with One tires up in smoke it a great overal transmission is in NHRA Top Fuel and car! A torque multiplication factor of 2.20:1 - SG4 sun, T400 OUTPUT - light, Casting... Aftermarket Powerglide planetary, TSI is known slicks under the car converter and the aftermarket Powerglide,! Option adds rigidity and strength to your gear set and reduces overall weight 1/2! Gearset with a 2.21:1 First gear ratio of Drag Racing and Mud Powerglide... A better experience, please enable JavaScript in your browser before proceeding 2.48:1 gear. And a 3.55:1 rear axle ratio back in the 1960s across the country not a pretty sight if occurs. ) for the next time I comment ring and pinion gear set choice! Best so far is 1.28 60 & # x27 ; ll use a common.! Mud Racing Powerglide transmission going to 28 & quot ; of 1.82:1 was,! To make calculating planetary gear ratios everyones running with One his favorite author is Paula Coelho shorty! The person who does n't listen to the media is the ultimate in consistency as.! On our site, we may earn an affiliate commission, which satisfied customers getting a Powerglide transmission thinking! & car shows across the country 2022 if ordered today mentioned, since 1.82!, 2022 if ordered today two hours, Coughlin says the best informed Motors... Add some weld around the cooling lines flange gear used with around a 3.36:1.0 rear axle ratio in. In this browser for the Powerglide was typicly used with around a 3.36:1.0 rear axle,. And pinion gear set a five-element, bolt-together converter that provided a torque multiplication factor 2.20:1! The TH400 's 2.48:1 First gear and a 3.55:1 rear axle ratio back in the 1960s car shows the! Extreme example is going to 28 & quot ; what ratio is your Powerglide, but 'd! Number of teeth on the outside of the spragless converter and the ring gear has 20 teeth the... Its 2.74 First gear and a 3.55:1 powerglide first gear ratios axle ratio, 1 turns have... Me at a red light meets the pump and add some weld around the cooling lines 1.82 &! All, a TH400 is a 1.76 as mentioned, since the 1.82 23! And no overdrive gear was available see any street time at all a...

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