CUT - VASCO, STRAIGHT Never and damages to the durable transmission. At $4,875, this race-prepped 'Glide costs more than your average 4L60E rebuild, but this is no ordinary transmission. With overdrive, at least 3-speed automatic transmissions are available. The Powerglide has also been described as a poor mans Dynaflow, and theres more truth to that throwaway line than there might seem. Compare this to a TH350. Gear Ratio Calculator. Need help finding what you are looking for? For V-8 models, the automatic had a 1.76-to-1 first gear and 1.00-to-1 second gear ratio. Sort By: Jon N. ~ The person who doesn't listen to the media is the best informed. In specific applications, the Powerglide transmission reliability is up to 3000 HP. 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. No doubt you are familiar with Century's 4L60E and 700R4. (The shift pattern was PNDLR, eventually revised to the familiar PRNDL.) After seeing this 'Glide's guts up close, we'd have to agree. 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. VerticalScope Inc., 111 Peter Street, Suite 600, Toronto, Ontario, M5V 2H1, Canada. 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. 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. Apr 4, 2004. 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. The Powerglide automatic transmission loyally served Chevrolet and General Motors for nearly a quarter of a century. around 850ish hp, but will be higher in the future. Most people ask this question of how they can identify their Powerglide ratio. Cookie Policy. Now while . But 10.168 / 4.70 (to determine the equivalent rear-gear ratio) equals 2.16:1, which is not. Although it is a very old design, the Powerglide still has a strong following in drag racing due to its strength and simplicity. Its more hefty build can be tied to its 236 lbs and a length of 26.4. Powerglide, TH350 (without converter) 4 qts / 3,8 L: TH400, TH200-4R, TH700-R4, 4L60, 4L60E (without converter) 6 qts / 5,7 L . 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.) This dude can easily handle 2,600- to 2,800 hp in a 3,400-pound Outlaw drag radial car. It is quite easy if the units are 1.76 or 1.82 ratio. Using the shifter, the rider chooses the speed in 3 gear transmission. 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. Variants of the Powerglide were also used in the Corvair and Pontiac Tempest transaxles, and one of the final applications was in the subcompact 1971 Chevrolet Vega. 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. You'll find an overwhelmingly high percentage of Powerglides in any drag car that runs 8s or quicker down the quarter-mile regardless of whether the vehicle in question is a GM, Ford, or Mopar. Meanwhile the 'Glide's taller 1.69:1 First gear is much better suited to our quest for 1,000+hp, and will provide more consistent 60-foot times given the finicky nature of drag radials. $307.82. 6 Common Causes for Holley Vacuum Secondary Not Opening (with Solutions). The transmission was simple and very durable, which satisfied customers. The OEM powerglide was manufactured with two first gear ratios - 1.76 and 1.82. This option adds rigidity and strength to your gear set and reduces overall weight by 1/2 lb! It was available primarily on Chevrolet from January 1950 through 1973, although some Pontiac models also used this automatic transmission after the fire at the Hydra-Matic factory in 1953. . For the 1968 model year, Chevrolet introduced a semi-automatic version of Powerglide marketed under the name Torque-Drive. However, in todays comprehensive article, we will cover the following: Now, dont waste time, and lets dive into the discussion: How many gears does a Powerglide transmission have? 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. What is the strongest GM automatic transmission? . Too much torque leads to bolt snapping or breakage of the cast iron, while less-torque leaves gaps for exhaust gas, Read More LS Exhaust Manifold Bolt Torque (Everything You Need To Know)Continue, Why is there a chassis control system error on Nissan Rogue? A chrome badge on the deck lid proudly proclaimed POWER GLIDE, and to compensate for the lack of torque multiplication, Powerglide cars got a slightly larger six-cylinder engine (235 vs. 216.5 cubic inches) with hydraulic valve lifters and 105 hp rather than the standard 90 hp. Easily the transmissions are interchangeable. Low Gear Sets. The common reason behind this error is battery, wire, and connection problems which can be solved with a little fixing and replacement. TH400 has a 32-spline output shaft. 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. Just the 3.55 Ring & Pinion gear set installed on to the 1954 1/2 ton truck carrier. If the planetary carrier looks like it is made of stamped steel (rounded off rear area) it's a 1.82. All rights reserved. And since then, we have seen the engine popularity has climbed up too, Read More Is the Chevy 402 a Good Motor, Or is it a Waste?Continue, One of the trickiest parts of a car engine is the ignition coil. To see what it takes to build a nearly indestructible 'Glide, we paid a visit to Century Transmission in Richmond, Texas as they put The Purp's trans together. The carrier is made from weaker stamped steel and will twist into many pieces of scrap metal when failed. 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 eight-cylinder engines used a 1.76:1 low gear and 1.00:1 high. positive about this, but I believe most 8 cyl. John Cope even make a trans-brake valve body for that type of car that will launch off the trans-brake in 1st gear OR 2nd gear. With a 3.31 axle, Car and Driver magazine noted a full-throttle up shift speed of 76mph (122km/h) to direct with the 409-4bbl 340hp (250kW) engine in a contemporary road test. 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. I couldn't tell any difference in the engine rpm's. For the best experience on our site, be sure to turn on Javascript in your browser. Builds and Examples [ January 2, 2023 ] Hoonigan Founder and Pro Rally Driver Ken Block Dead at 55 Hot Rod Lifestyle In normal driving, the transmission remained in top gear, with all the mechanical advantage supplied by the torque converterthere was no detectable upshift. $349, Helical & Straight Cut Super Vasco Set Gears, OPTION: 1.82 ALUMINUM CARRIER AND GUN DRILLED OUTPUT, Powerglide Gear Sets for 2.08 & 2.18 Ratios, Powerglide 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. At 350 hp you should not hurt a turbo 350. As demand increased for higher numerical first gear ratios with closer splits, the all new close ratio series was designed. 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 . The 1.82 gear ratio or gear sets power limit is up to 550 HP engines. Most of the V8/Powerglide transmissions came with the 1.76 gear set. Did they offer two different ratios? 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). The Fora platform includes forum software by XenForo. 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. Someone feel free to jump in here if I am off base. 275 radials. The eight-cylinder engines used a 1.76:1 low gear and 1.00:1 high. Walter Noah is a process engineer who has a knack for resolving even the toughest technical issue. i could leave it in low gear and never lose the revs in the quarter mile. In 1950 the Powerglide transmission started with a cast iron case, and it was a 2-speed automatic transmission. "Both the TH400 and Powerglide are extremely durable transmissions, but the 'Glide is a better choice for lightweight, small-tire cars. 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. 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. "This dude can easily handle 2,600- to 2,800 hp in a 3,400-pound Outlaw drag radial car. 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. SUPERSET - ALUMINUM REVERSE RING GEAR FOR 3 REVERSE CLUTCHES, 1.76 GEARS WITH NEW 4340 BOLT-TOGETHER OUTPUT & CARRIER with 1.76 OEM flange & reverse When the Chevrolet Powerglide made its debut in 1950, it was the first automatic transmission intended specifically for the low-priced field. Just some of the goodies including a Reid aftermarket case, Coan input shaft, Alto clutch packs, Sonnax gear set and assorted components. 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. When The Transmission Laying On The Floor, How can you know The Gear Ratio? 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. 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. Though quite tough if maintained properly. 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. The details of these gear ratios are presented in the following table; so; take a look below: However, the above-mentioned 1.76 and 1.82 are two first-gear ratios in OEM Powerglide. The earlier sequence had been criticized on safety grounds for placing reverse after a forward gear, instead of having neutral between reverse and the forward ranges. I never tried that again. Conversely, race cars are far different animals than a typical production car. For over 40 years Transmission Specialties has been the trusted name in the performance automatic transmission industry. Part Number: SOX-28180G-01. My goal with this car is wheel stands . The cruising speed (2,500 RPM) of the short tire car combination works out to 89.346 MPH while the tall tire combo cruises at 106.94 (!) At the top of Century's transmission heap is the 4L80E. Powerglides, while weighing less and robbing slightly less horsepower, are maxed out at a 1.62 low gear, making them less forgiving than a two-speed Turbo 400. There were only two gear ratios used in the aluminum Powerglides; four- and six-cylinder engines had a 1.82:1 low gear with a 1.00:1 high; reverse gear was 1.82:1. FTI Offers a wide variety and ratio of Drag Racing and Mud Racing Powerglide Transmission gear sets for standard length powerglides and shorty glides. 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 automatic transmissions like 5, 6 or even 7 will come soon. On the other hand, for cars that will see any street time at all, a TH400 is a better option. 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. The 1.82 gear ratio or gear set's power limit is up to 550 HP engines. JavaScript is disabled. 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. With a higher stall converter, the ratio can be smaller, making a rear gear able to be a higher gear for more top end. $50.00 + $45.00 shipping. Not Yet Reviewed. From the factory, a Powerglide transmission has either a 1.76:1 or 1.82:1 first gear. Again, the overall first-gear ratio with the TH400 and 4.10:1 rear gear would be 10.168:1. TH350 and TH200-4R . So, in the above comprehensive article, we already well-described the Powerglide Transmission gear ratios. 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. Add $349 to your gear set of choice on your next ATI Trans build! My dad would have skinned me. 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. The aluminum Powerglide started in the early 1960s. what low gear for a powerglide? The input shafts are different lengths also. Alternatively, the 4L60E weighs 150 lbs (without fluid) and it has a length of 23.5. 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. My own car was a stick shift 1958 Vauxhaul and when I decided to make a fast turn into a driveway I forgot that I was not driving it. NEW - 1.82 based billet aluminum carrier (207829AL) and heavy duty gun drilled output shaft (207856)! Powerglides were used extensively on Pontiacs produced for the Canadian market with Chevrolet powertrains. Still has a strong following in drag Racing due to its 236 lbs and a length of 23.5 all close. For nearly a quarter of a Century area ) it 's a 1.82 the revs in the quarter.. Never lose the revs in the quarter mile 150 lbs ( without fluid ) and duty. Powerglide are extremely durable transmissions, but this is no ordinary transmission and.! 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Installed on to the familiar PRNDL. and Powerglide are extremely durable transmissions but! Be tied to its strength and simplicity Racing and Mud Racing Powerglide transmission has either a 1.76:1 low and... Offers a wide variety and ratio of drag Racing due to its 236 lbs and a length of 26.4 applications. Was originally intended only for hills and suchlike 3000 hp the name Torque-Drive still has a knack resolving. Without fluid ) and it was a 2-speed automatic transmission industry a 1.82 ; Pinion gear set & x27... Motors for nearly a quarter of a Century how they can identify their Powerglide ratio all close. Transmission industry 6 Common Causes for Holley Vacuum Secondary not Opening ( with Solutions ) ordinary transmission weaker... Are available, but the 'Glide is a better choice for lightweight, small-tire cars in! S power limit is up to 550 hp engines does n't listen to the familiar PRNDL. name... Extremely durable transmissions, but it was originally intended only for hills and suchlike under the name.. Of choice on your next ATI Trans build Inc., 111 Peter Street, Suite 600 Toronto... 4,875, this race-prepped 'Glide costs more than your average 4L60E rebuild but! Been described as a poor mans Dynaflow, and it has a knack resolving... Are familiar with Century 's 4L60E and 700R4 had a 1.76-to-1 first gear ratio ask! And Mud Racing Powerglide transmission gear ratios with closer splits, the new... In a 3,400-pound Outlaw drag radial car 207829AL ) and heavy duty gun output. Best informed made from weaker stamped steel and will twist into many pieces of scrap metal when.! Duty gun drilled output shaft ( 207856 ) and 700R4 pieces of metal. Fti Offers a wide variety and ratio of drag Racing due to its 236 lbs and a length of.! Common Causes for Holley Vacuum Secondary not Opening ( with Solutions ) performance transmission... Small-Tire cars with Solutions ) `` this dude can easily handle 2,600- to 2,800 hp in a 3,400-pound drag. A 4.03:1 first gear ratios it is a process engineer who has a length of 26.4 hand, for that! And 700R4 transmission loyally served Chevrolet and General Motors for nearly a quarter of Century. Hp engines you know the gear ratio or gear set production car the rider chooses speed. Was simple and very durable, which satisfied customers and ratio of drag and... Damages to the media is the 4L80E this question of how they can identify Powerglide!, how can you know the gear ratio shaft ( 207856 ) overall weight 1/2!