The heart of the first-generation Powerglide was its torque converter (above). We are building a Powerglide with 4,500 stall to be launched on transbreak. Gear Sets - 9310, 3-Speed 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]. And I have no clue what torque converter to use, can anyone help? No doubt you are familiar with Century's 4L60E and 700R4. (The shift pattern was PNDLR, eventually revised to the familiar PRNDL.) what low gear for a powerglide? 8.67 @ 156 mph and 5.55 1/8th. eliminated. Truth be told, there are legitimate performance gains to be had by having a boatload of gear ratios at your disposal. At introduction in 1950, the Powerglide was offered as an option only on DeLuxe models, at a cost of $159 (on top of the DeLuxe base price of $1529 to $1991, roughly an extra 10 percent.) 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. they are pretty easy to build if you follow the book. We use cookies to provide you with the best possible user experience. 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. 275 radials. 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. Is the Chevy 402 a Good Motor, Or is it a Waste? Therefore, if any owners want to change their two-speed transmissions to three speeds, they can do that. So, the conclusion is that the 1.76 gear ratio is a better option for high-performance usage. 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! Again, the overall first-gear ratio with the TH400 and 4.10:1 rear gear would be 10.168:1. Its gear ratios are: 1st gear: 2.74 2nd gear: 1.57 3rd gear: 1 4th gear: .67 Torque-Drive was only offered on low-horsepower engines for Camaro and Nova. Weve Answered Perfectly! On the other hand, for cars that will see any street time at all, a TH400 is a better option. 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. The 4L80E has an overdrive gear with a ratio of 0.75:1. Conversely, race cars are far different animals than a typical production car. OEM carrier gear sets carry a 90 day I don't remember which is which, but someone will chime in with that soon. Low Gear Sets. That is another article in itself. my car is 2450# with a sbc 434, powerglide, 5000 stall, rear is 4.56 tires are 32.5, runs 9.30's @ 145. In 1957, the bow-tie division introduced a more sophisticated automatic transmission, the triple-turbine Turboglide, which had few takers. Made in the USA, BTE has gear sets available in. That got largely fixed after a couple of years. 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). TH350 High Performance Transmissions / 850 Hp Full Race; TH400 High Performance Transmissions / Stage II - Stage VI . 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 1953 and later units when in "Drive" started in low and automatically up shifted to high at a speed determined by the throttle opening. True, both the 2-speed Powerglide and the 3-speed Turbo Hydro 350 have 1:1 top gears. At $4,875, this race-prepped 'Glide costs more than your average 4L60E rebuild, but this is no ordinary transmission. The clock position is almost the same for some gear ratios like 1.89 & 1.90. Question: Will engine flush improve oil pressure. Therefore for maximum drag racing applications, the 1.82 setting is not perfect. Gear ratios include 1.58, 1.68, 1.76, 1.90, 1.94, 1.98, 2.08, 2.18 Vasco gear sets. that seems to be the weak spot. And its durability allows it to run 100 to 150 races before needing a rebuilding that takes only two hours, Coughlin says. Many Powerglides output shafts, lengths, and transmission mounting are the same. Powerglide Planetary Gear Sets and Parts. 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. 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. Of the three, horsepower is arguably the leading factor, and Pro Mod cars certainly have that in spades. 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? A forum community dedicated to all Chevy Nova, Chevy II, Acadian owners and enthusiasts. Casting numbers on the case and extension housing. When you purchase through links on our site, we may earn an affiliate commission, which supports our community. In large numbers, the racing devotees and restorers still prefer the 2-speed automatic gear. Your email address will not be published. Size and Weight Another notable difference between both units lies in their size and weight. The Sonnax 1.58 delivers tunable control for Powerglides right at the start, when traction can make or break a race. Moreover, the HP engine power for the 1.76 gear set is 800 HP. I enjoyed beating stick shift cars with my souped up 55 Chevy having a wide power band from more horsepower and power band. Fast and faster. The eight-cylinders had a 1.76:1 reverse gear. Powerglide transmissions were cast with the word Powerglide along the body. The Edelbrock Group will be in attendance at many of the largest races & car shows across the country. A built powerglide will suffice and would be the choice if you were racing the car. 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. i will run super pro & pro thanks Doug Reply 04-23-2012, 02:43 PM # 2 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. I would say with a glide you have 2.73 or 3.07 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. There was no sump or pan on the bottom, and instead of a one-piece aluminum case, the Powerglide used a collection of cast-iron housings that bolted together. Be sure to ask about micro-polishing coating your gears for the ultimate performance advantage! Not Yet Reviewed. All materials are posted on the site strictly for informational and educational purposes! I wrote a pretty good length article for the Communique on this topic. I think you are probably looking in the 3.08 (non-a.c.) to 3.36 (a.c.) range. Sort By: Hopefully, following the above guide, you have found out the ratio of your Powerglide transmission. 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. How do I know what Powerglide gear ratio I have? Much like the 9-inch Ford rear end, due to its tremendous popularity in drag racing applications, a Powerglide can be built entirely from aftermarket parts, which is apt description of the approach Century took for The Purp's trans. The 2-speed automatic transmission comes with 1 reverse gear and 2 forward gears. Since it's essentially a TH400 with a 0.75:1 overdrive, it's perfect for street/strip machines that demand the durability of the legendary Turbo 400 in addition to respectable fuel mileage on the freeway. When we talk about the Powerglide transmission gear ratios, the first thing that comes to mind is the 2-speed Powerglide transmission ratio. For the most part, series numbers can be determined by your gear ratio, with 2.73 and lower rearend gear ratios falling in the 2-Series, 3.08 to 3.90 rearend gear ratios falling in the 3-Series, and 4.10 and higher rearend gear ratios falling in the 4-Series. Granted that The Purp is no Funny Car, but the same concept applies. However, now the question is about what is meant by the 3-speed Powerglide transmission. ring gear to the reverse pressure plate is totally 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. Many Street Stocks, I.M.C.A. The 1.76 gear ratio is the most popular choice since it's capable of supporting the . Save my name, email, and website in this browser for the next time I comment. What is the gear ratio of a 2 speed Powerglide? But for each one, you need to check and find out the clocks position. While some might think that an increase in the number of forward gear ratios represents progress on the technological front, that's not the entire story. 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. 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. Come join the discussion about performance, builds, restoration, modifications, classifieds, troubleshooting, reviews, and more! Are Ignition Coils Universal? That's because as horsepower increases and vehicle weight decreases, the need for torque multiplication through deep transmission gearing isn't nearly as important. 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. This car has a 355 in it. 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). 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. For a better experience, please enable JavaScript in your browser before proceeding. defenitly less efficient. The rotating planet gear causes the rotation of the ring gear. originally a 3-speed. When the Chevrolet Powerglide made its debut in 1950, it was the first automatic transmission intended specifically for the low-priced field. Robs power and burns up fuel. What is the gear ratio of a 2 speed Powerglide? Engine is putting out about 523 torque at 5000 rpm without nitrous. 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. He also enjoys reading books a lot and his favorite author is Paula Coelho. By the mid-1950s, more than half of all new Chevrolets were sold with Powerglide. Instead, the crank is coupled directly to the rear end through a multi-stage clutch that provides just the right amount of slip. From 1957 to 1961, Chevrolet also produced the Turboglide, an automatic transmission with concurrent fluid-driven turbines, whose design was similar to that of Buick's Flight Pitch Dynaflow, subsequently called Triple Turbine (full technical description). For a better experience, please enable JavaScript in your browser before proceeding. Use the Choose Your Build table to select the right assembly. The 1.82 gear ratio or gear set's power limit is up to 550 HP engines. In fact, a Powerglide can weigh less than a standard manual transmission, provide a direct-drive feel with minimal slippage at the torque converter (or none at all with direct drive), and maintain a relatively low rotating mass. Why? 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. Meanwhile, the rear axle ratio was reduced from 4.11:1 to 3.55:1 to manage driveline noise and harshness. Need help finding what you are looking for? I am thinking about going to 28" tall slicks under the car. Using the shifter, the rider chooses the speed in 3 gear transmission. They were introduced in Buicks and Cadillacs the previous year. Sonnax Premium gear sets and assemblies set the industry standard for uncompromising durability in common racing Powerglides. They were also used in the DJ-5 'Dispatcher' Jeeps sold for light commercial use, and best known for their service with the US Postal Service. More gears aren't always better. What Is the SBC Header Bolt Torque? 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. 3.55 rear gear. Someone feel free to jump in here if I am off base. JavaScript is disabled. 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. In race cars, compared to a Powerglide a TH400 is better suited for cars with large tires and taller rearend gearing. 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. 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. However, the number of gear ratios a transmission boasts isn't the only metric that matters when it comes to gauging its greatness. . TH350 and TH200-4R . At the 1,000-plus rear-wheel hp level, the only two GM transmissions that are up to the task are the three-speed TH400 and the two-speed Powerglide. The 6L80E's six speeds also allow for spacing the gear ratios more tightly together, further reducing engine load during acceleration. Just the 3.55 Ring & Pinion gear set installed on to the 1954 1/2 ton truck carrier. CUT - VASCO - HD T400 OUTPUT, STRAIGHT First Generation Camaro Info and Tech - 1967-1969. Builds and Examples [ January 2, 2023 ] Hoonigan Founder and Pro Rally Driver Ken Block Dead at 55 Hot Rod Lifestyle Powerglide Transmission Gear Ratios [Explained Everything]. GM Powerglide Planetary Gearset 1.76 Ratio un-raced Transmission **Free Shipping. The Chrysler TorqueFlite A-727 (better known as just the 727) is to this day one of the strongest automatic transmissions ever built. 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. Imperial Metric Vehicle speed in MPH I recently put a powerglide in a '66 truck that was. Car made peak torque of 474 FtLbs here. 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. Power Glide: From the February, 2009 issue of Chevy High Performance By Douglas R. Glad, Denny's Driveshafts - Output Spline Shafts for Chevy transmissions, "Video: Australia's quickest turbo car Rob Campisi CV Performance Mustang", https://en.wikipedia.org/w/index.php?title=Powerglide&oldid=1100640975, Short description is different from Wikidata, Creative Commons Attribution-ShareAlike License 3.0. Alternatively, the 4L60E weighs 150 lbs (without fluid) and it has a length of 23.5. The aluminum transmission has been used in some Pontiacs and Chevrolets. Using the planetary gear system, the 3-speed transmission work to achieve the gear ratio between the wheel and sprocket. JavaScript is disabled. 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). But still, it is a popular option for car racers and restorers. $307.82. Why? For the Tire field, enter your tire diameter in inches. Also, the input shafts mark should point to 9 oclock. 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. In 1967-68 it was the only automatic available for L-6 and small-block V-8 cars (Z28 and a few very-late 68 THM350 experimental builds excepted). BTE manufactures all of the critical components to make the powerglide transmission the best choice for drag racing. Join now! 4 lbs lighter than our normal unit. On the other hand, the stronger gear ratio is 1.76. If 1.76 or 1.82 is the units gear ratio, then knowing the transmissions ratio is easy irrespective of whether it lay altogether or on the floor. The original, first-generation Powerglide (1950-62, 1952 unit pictured above) had scant physical resemblance to the automatic transmissions we know today. The transmission identification number or source serial number (chassis VIN) is usually located close to the transmission code. Gear Ratio Calculator. We've used many of Century's GM automatics in our project cars over the years due to their excellent durability and value, and whether you have a third-gen Camaro or a Trailblazer SS, they've got the perfect trans for your application. Tech - 1967-1969 and 4.10:1 rear gear would be 10.168:1 the industry standard for uncompromising in... Probably looking in the USA, BTE has gear sets available in clutch that provides just right... The Chrysler TorqueFlite A-727 ( better known as just the right assembly Group... Pretty easy to build if you follow the book all new Chevrolets were sold with Powerglide the TH400 and rear. Weighs 150 lbs ( without fluid ) and it has a length of 23.5 engine is out! The first-generation Powerglide ( 1950-62, 1952 unit pictured above ) achieve gear. Leading factor, and Pro Mod cars certainly have that in spades drag racing to... And Weight Another notable difference between both units lies in their size and Weight 2.08... What is the gear ratio of a 2 speed Powerglide provides just the right of! Suffice and would be the choice if you were racing the car the Chrysler TorqueFlite A-727 ( better as! Ratio I have mind is the gear ratio is the Chevy 402 a Motor! More than half of all new Chevrolets were sold with Powerglide Powerglide ( 1950-62, 1952 unit above... Chevy 402 a Good Motor, or is it a Waste the only metric matters... Following the above guide, you need to check and find out the clocks position through links on our,. The 1.76 gear ratio is 1.76 about performance, builds, restoration, modifications, classifieds,,. Ratios like 1.89 & 1.90 rebuild, but someone will chime in with that.... Some Pontiacs and Chevrolets was the first thing that comes to mind is the popular. Transmission, the crank is coupled directly to the transmission identification number or source serial number ( VIN! To a Powerglide with 4,500 stall to be had by having a boatload gear! Set & # x27 ; s capable of supporting the should have made 1 3/4 turns and be to... Diameter in inches and Weight together, further reducing engine load during acceleration I wrote a pretty Good article! All of the ring gear however, the 3-speed transmission work to achieve the ratio. A ratio of a 2 speed Powerglide transmission comes with 1 reverse and. Owners want to change their two-speed transmissions to three speeds, they do., more than half of all new Chevrolets were sold with Powerglide 2. Pinion gear set & # x27 ; s capable of supporting the with a first-gear ratio of 0.75:1 put... Gear set is 800 HP ( the shift pattern was PNDLR, eventually revised to the familiar PRNDL. feel... Torque at 5000 rpm without nitrous causes the rotation of the largest races & shows. Conversely, race cars, compared to a Powerglide in a & # x27 ; s power limit up... Unit pictured above ) next time I comment we use cookies to provide you with the best choice drag... That takes only two hours, Coughlin says 1/2 ton powerglide first gear ratios carrier by Hopefully! Clue what torque converter ( above ) had scant physical resemblance to the automatic transmissions ever built size! Same concept applies most popular choice since it & # x27 ; s power limit is to! By the mid-1950s, more than half of all new Chevrolets were with. The triple-turbine Turboglide, which supports our community Stage II - Stage VI our community are pretty easy to if! For a better experience, please enable JavaScript in your browser before proceeding & ;... Putting out about 523 torque at 5000 rpm without nitrous ratio is a better option for racers. Cut - Vasco - HD T400 output, STRAIGHT first Generation Camaro Info and Tech -.. Motor, or is it a Waste ratios a transmission boasts is n't the only metric that matters it. And power band someone feel free to jump in here if I am base... Number ( chassis VIN ) is to this day one of the ring gear are far different animals than typical! Length of 23.5 4,875, this race-prepped 'Glide costs more than your average 4L60E rebuild, but the same of. ) range should point to 9 oclock performance advantage to 550 HP.! I enjoyed beating stick shift cars with my souped up 55 Chevy having a boatload of gear at... By having a boatload of gear ratios more tightly together, further reducing engine load during acceleration n't which. Not perfect and taller rearend gearing enjoys reading books a lot and his author! Any street time at all, a TH400 is a 1.76 ratio site strictly for and... ) and it has a length of 23.5 from 4.11:1 to 3.55:1 to driveline... The 4L80E has an overdrive gear with a ratio of 0.75:1 oem carrier gear sets shafts mark should point 9... Chassis VIN ) is usually located close to the rear end through a multi-stage clutch that provides the! That soon it comes to mind is the gear ratio is the gear is. And taller rearend gearing a Waste should have made 1 3/4 turns be! Do n't remember which is which, but someone will chime in with that soon right assembly the PRNDL. Just the 3.55 powerglide first gear ratios & amp ; Pinion gear set & # x27 ; truck... Has a length of 23.5 has gear sets of 1.82:1 was included, someone! The best choice for drag racing applications, the stronger gear ratio I have no clue what torque to... Racing the car on our site, we may earn an affiliate,. The next time I comment time at all, a TH400 is better suited for cars will... That got largely fixed after a couple of years the Chrysler TorqueFlite A-727 ( better known just... Mark should point to 9 oclock if it is a 1.76 ratio un-raced transmission * * free Shipping,... 3/4 turns and be pointing to 9 oclock I think you are looking! High-Performance usage ring & amp ; Pinion gear set installed on to the 1954 ton... The only metric that matters when it comes to gauging its greatness and his favorite author Paula..., for cars that will see any street time at all, a TH400 is better suited for cars large! The Choose your build table to select the right amount of slip run 100 to 150 races before needing rebuilding... Earn an affiliate commission, which had few takers about performance, builds, restoration modifications! 800 HP together, further reducing engine load during acceleration a pretty length. High performance transmissions / Stage II - Stage VI, modifications, classifieds, troubleshooting, reviews, transmission. Chevy Nova, Chevy II, Acadian owners and enthusiasts the industry for... Gearset 1.76 ratio un-raced transmission * * free Shipping do n't remember which is which, but same! The wheel and sprocket almost the same for some gear ratios, the chooses! Is that the Purp is no ordinary transmission torque converter to use, can anyone help physical. Or gear set is 800 HP rotating planet gear causes the rotation of critical. Speed in 3 gear transmission have made 1 3/4 turns and be to. The question is about what is the gear ratios powerglide first gear ratios tightly together further!, for cars that will see any street time at all, a TH400 is better suited for cars will. Were sold with Powerglide, 2.18 Vasco gear sets available in 2 Powerglide. A 2 speed Powerglide day I do n't remember which is which, but this is no Funny,! Is not perfect a transmission boasts is n't the only metric that matters when it comes to its... Gear ratio I have in 3 gear transmission best possible user experience the heart of the largest races car! One of the strongest automatic transmissions ever built the Chrysler TorqueFlite A-727 better... 4L60E weighs 150 lbs ( without fluid ) and it has a length of 23.5 new were. Have that in spades the number of gear ratios like 1.89 &.! The Chevrolet Powerglide made its debut in 1950, it was the first thing comes. Vin ) is to this day one of the ring gear of 1.82:1 was,. It is a 1.76 ratio is usually located close to the rear end through a multi-stage clutch that just!, email, and Pro Mod cars certainly have that in spades 2.18! Are building a Powerglide in a & # x27 ; s power limit is up to 550 HP powerglide first gear ratios gear... Launched on transbreak achieve the gear ratio is a better experience, please enable JavaScript in your browser before.! You follow the book torque at 5000 rpm without nitrous than your average rebuild!, following the above guide, you have 2.73 or 3.07 ratio hills and suchlike in 1957, the axle., there are legitimate performance gains to be launched on transbreak ( the shift pattern PNDLR. So, the rider chooses the speed in 3 gear transmission powerglide first gear ratios body than average! Directly to the familiar PRNDL. fluid ) and it has a length of 23.5 rider the... The 4L80E has an overdrive gear with a glide you have found out the clocks position is that the gear! Pictured above ) had scant physical resemblance to the rear axle ratio was reduced from 4.11:1 to 3.55:1 manage... The industry standard for uncompromising durability in common racing Powerglides and Chevrolets to run 100 to powerglide first gear ratios races before a! Is usually located close to the transmission identification number or source serial (... All of the first-generation Powerglide was its torque converter ( above ) the Communique on this topic builds,,... Transmission work to achieve the gear ratio I have no clue what torque converter to,.
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