CUT - VASCO, STRAIGHT The Aluminium Powerglide, and Tempestorque was used from 1962 until it was replaced with the Turbo-Hydramatic series of transmission in 1973. The carrier is made from weaker stamped steel and will twist into many pieces of scrap metal when failed. Unfortunately, due to its generous dimensions, it's tough to retrofit these six-speeds into older cars without hacking up the trans tunnel. Now the non-removable pins that come with the cast steel housing indicate 1.76 ratios. The 1.76 gear ratio is the most popular choice since it's capable of supporting the . Join now! The inventors of the spragless converter and the aftermarket Powerglide planetary, TSI is known . He also enjoys reading books a lot and his favorite author is Paula Coelho. The reverse gear ratio was 1.76-to-1. 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. The Powerglide is a two-speed automatic transmission designed by General Motors. Torque output comes in quicker with large cubic inch street and mild engines, while limiting high rpm horsepower. Use our simple Gear Ratio Calculator to quickly find the correct gear ratio for your ring and pinion gear set. If you don't know your gear ratio, you can calculate it by taking the number of rear . Use this Gear Ratios guide For General Motors (GM) and Chrysler to help answer your questions. 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. Modern Dexron fluid works fine in a Powerglide transmission. The Powerglide lingered on as a low-cost automatic transmission option primarily for the six-cylinder Chevrolet Nova and four-cylinder Chevrolet Vega until it was phased out after the 1973 model year, replaced by the Turbo Hydramatic 250. 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. We use cookies to provide you with the best possible user experience. JavaScript seems to be disabled in your browser. JavaScript is disabled. Since not many people build all-out race cars, Century carries the full line of GM overdrives as well. Best so far is 1.28 60' on radials. These gear sets are a BIG step up from standard case-hardened and tempered varieties. 3.65 first. Chevrolet Bel Air hardtop with Powerglide pulled up next to me at a red light. The gear ratios used for this transmission were 2.52 for 1st gear . The transmission was simple and very durable, which satisfied customers. Granted that The Purp is no Funny Car, but the same concept applies. Sonnax is an industry leader in the cutting edge design, manufacture and distribution of the highest quality products to the automotive aftermarket, commercial vehicle industries, and industrial sectors utilizing drivetrain technology. $50.00 + $45.00 shipping. I don't remember which is which, but someone will chime in with that soon. On this Wikipedia the language links are at the top of the page across from the article title. At 350 hp you should not hurt a turbo 350. OEM carrier gear sets carry a 90 day This is not a pretty sight if it occurs and it will eat up the gears. CUT - VASCO - PG SUN / PG OUTPUT, STRAIGHT Used ATI gear sets can be updated! ratio You forgot 3.55 on the 12 bolt too and the 3.90. Now, for the 1.76 ratio, 1 turns should have been made by the mark on the input shaft. But the Powerglide was typicly used with around a 3.36:1.0 rear axle ratio back in the 1960s. VerticalScope Inc., 111 Peter Street, Suite 600, Toronto, Ontario, M5V 2H1, Canada. yeah, i just figured whatever will work, probably go with the 1.82. the 1.82 gear ratio is weaker of the 2 factory gear ratios. For our Camaro the TH400's 2.48:1 First gear ratio was considered too short. 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? 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. 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? To greatly improve the life of Extreme gear sets, the sun and pinion gear undergo the same advanced processing as assemblies developed for Formula 1, NASCAR and other high-end professional racing circuits: Advanced Process gears undergo a three-step process that takes aftermarket performance gear manufacturing to a whole new level: Sonnax makes it easy to dial in options and select the perfect Powerglide planetary assembly or gear set. I run a powerglide with a 4.33 rear and 28" tall slicks. Gear ratios include 1.58, 1.68, 1.76, 1.90, 1.94, 1.98, 2.08, 2.18 Vasco gear sets. truck and had the .373. rear end. More gears aren't always better. Size and Weight Another notable difference between both units lies in their size and weight. For the Tire field, enter your tire diameter in inches. is a 1.82 ratio. In large numbers, the racing devotees and restorers still prefer the 2-speed automatic gear. Requires the purchase of a 1.76 based input shaft, new flange, and ATI must perform the overhaul and gear set rebuild. In 1969, the three-speed Turbo Hydramatic 350 (THM350) was introduced as a light-duty companion to the Turbo-Hydramatic 400, and made available on virtually all Chevrolet cars and trucks with six-cylinder or small and medium-sized V8 engines, as well as intermediate sized cars of other GM divisions.[2]. So, in the above comprehensive article, we already well-described the Powerglide Transmission gear ratios. 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). After 1971, Chevrolet canceled Torque-Drive and continued to offer Powerglide until 1974, when all engines could be ordered with the three-speed Turbo Hydramatic. 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. CUT - VASCO - SG4 SUN, T400 OUTPUT - LIGHT, STRAIGHT If the mark on the input shaft turns 1 13/16 turns and is pointing towards 10 oclock, it would be a 1.82 ratio. When the Chevrolet Powerglide made its debut in 1950, it was the first automatic transmission intended specifically for the low-priced field. From the factory, a Powerglide transmission has either a 1.76:1 or 1.82:1 first gear. (like changing the rear gear or 1st gear) For a clutch type vehicle this works good. Remit to 765 S. Pierce Ave . This allows getting a heavy mass off the line without lugging the motor as much, as well as tightening up the torque converter stall speed, both of which improve gas mileage. We use cookies to provide you with the best possible user experience. Easily the transmissions are interchangeable. The 4L80E has an overdrive gear with a ratio of 0.75:1. 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 that seems to be the weak spot. The 6L90 is the strongest of GMs family of Hydra-Matic six-speed automatic transmissions. 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). 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. A forum community dedicated to all Chevy Nova, Chevy II, Acadian owners and enthusiasts. Jon N. ~ The person who doesn't listen to the media is the best informed. It was a 6 cyl. Save yourself the headache and let us figure out your ring-and-pinion gear 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. For a late-model street car, however, the. Did they offer two different ratios? For the best experience on our site, be sure to turn on Javascript in your browser. The eight-cylinder engines used a 1.76:1 low gear and 1.00:1 high. To learn more, view our We used to run powerglides in the 60's with 4.11's Yeh the 3.73's will be all right just don't expect good gas miliage. The most extreme example is in NHRA Top Fuel and Funny Car. 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. 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. (The shift pattern was PNDLR, eventually revised to the familiar PRNDL.) In specific applications, the Powerglide transmission reliability is up to 3000 HP. Different-ratio first-gear sets are now available (through TCI Automotive, JW Performance Transmissions, and others) for the Powerglide transmission. It is a 1.76 as mentioned, since the 1.82 has 23 teeth on the flange gear. Therefore, if any owners want to change their two-speed transmissions to three speeds, they can do that. Using the planetary gear system, the 3-speed transmission work to achieve the gear ratio between the wheel and sprocket. 3.55 rear gear. I'm thinking of getting a powerglide, but I'd like to know what gear ratios everyones running with one. 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. I have a stock 1.76 first gear and they make 1.64, 1.65, 1.69, 1.76, 1.80 & 1.96. Small wonder these transmissions have become a popular one in the racing world. $349 plus parts mentioned. . TSI has pioneered much of the technology that is now commonplace in the transmission marketplace. 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. The 2004R can be built to survive in 9-second cars, as Kurtz can attest becoming the first to do so (when part of PMAC Performance), and can even be equipped with a trans brake. 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. Eight-cylinders had a 1.76:1 reverse gear ratio. If the electric motor fails, the neutral automatic transmission allows it to tow the vehicle safely. "What Ratio is Your Powerglide, 1.76 or 1.82?" . VerticalScope Inc., 111 Peter Street, Suite 600, Toronto, Ontario, M5V 2H1, Canada. 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. High gear on a 700R4 is 0.70:1. ASAP we will reply to you. Powerglide Planetary Gear Sets by FTI Performance. When upgraded with billet internals and heavy-duty clutches, Century's 4L80Es can easily handle 1,000 rear-wheel hp. 2023 TCI Automotive. 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? . The apparent decoupling of engine speed to road speed (flare is one technical term) quickly won the transmission an unflattering street name, slip-and-slide Powerglide. (In a similar way, the Dynaflow became known as the Dynaslush.). BTE Powerglide planetary gear sets - 1.80, 1.98, 1.69 - YouTube BTE is the industry leader in powerglide gear set design and manufacturing. If you believe that the posting of any material infringes your copyright, be sure to contact us through the contact form and your material will be removed! I think you are probably looking in the 3.08 (non-a.c.) to 3.36 (a.c.) range. Reverse gear ratio was 1.82-to-1. Now there are large cubic inch race engines that make good torque and horsepower at higher numbers. Its 2.74 First gear makes it a great overal transmission. 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. The answer is identifying the gear ratio is quite simple. Gear Ratio Calculator. The 6L80E's six speeds also allow for spacing the gear ratios more tightly together, further reducing engine load during acceleration. I have a 68 powerglide I want to find out the ratio. I had an experience of clipping along at expressway speed in the 60 Corvair when my very young son decided that he wanted to move the shift lever on the dashboard and put the car in reverse,it locked the drive wheels and I flipped it back into drive as soon as it happened, never any problem with the transmission following, Similar to that was when having the 55 Hardtop and now and then as Id pull the shifter into reverse thinking I was putting it into low and the same locking up effect occurred. The common reason behind this error is battery, wire, and connection problems which can be solved with a little fixing and replacement. . 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. One of the core things you should do in this case is to ensure a proper oil mixture to the fuel. Robs power and burns up fuel. But they were expensive and complicated designs that added considerable cost even to high-priced cars. All rights reserved. Series Gear Ratios Input Grooves Cluster Output (Ratio) Years 1st 2nd 3rd 4th Spline (Input) Pin . Torque-Drive was only offered on low-horsepower engines for Camaro and Nova. Our example is going to assume a 6000 rpm redline and 26-inch-diameter tires. Powerglides matched with six-cylinder engines had a first gear ratio of 1.82-to-1 and a direct gear of 1.00-to-1 for the second gear. JavaScript is disabled. This method minimizes the number of shifts per lap. The 1.76 flange gears are the larger of the two OEM choices, my money is on that as what you have. The 4L80E is larger and heavier than the 4L60E. GM Trans Options No doubt you are familiar with Century's 4L60E and 700R4. Most of the V8/Powerglide transmissions came with the 1.76 gear set. Of the three, horsepower is arguably the leading factor, and Pro Mod cars certainly have that in spades. Sort By: In 1962, GM started building Air Cooled Powerglides in aluminium, primarily for use in the new model Chevy II, which required a lightweight transmission for its compact body, and discontinued the cast iron Powerglides in 1963. 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. It keeps the car running pretty much but also tends to fail. 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? Then, change Richmond's performance gear ratios and beat your best time! 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 . 24-Tooth flange Premium and Extreme gear sets/assemblies and 32-spline output shaft available upon request. Access Drag Performance Calculator. Popular Transmission Ratios More Gear and Axle Guides: In normal driving, the transmission remained in top gear, with all the mechanical advantage supplied by the torque converterthere was no detectable upshift. The Fora platform includes forum software by XenForo. Is the Chevy 402 a Good Motor? My dad would have skinned me. Later in the early 60s, the cast iron case was converted to the aluminum case transmission. Interesting article and having had powerglides in several Chevrolets I had always been very impressed by the dependability and durability they had.I had owned a 53 Chevrolet Bel Air sedan, 55 Chev Bel Air Hardtop, 60 Corvair, 64 Corvair,79 Camaro, and a 87 Monte Carlo.Never any trouble with any of these. positive about this, but I believe most 8 cyl. 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. A 3.36 rear axle gear ratio would be more livable [3.36 x 2.87 = 9.64]. JavaScript is disabled. For the 1968 model year, Chevrolet introduced a semi-automatic version of Powerglide marketed under the name Torque-Drive. This option adds rigidity and strength to your gear set and reduces overall weight by 1/2 lb! However, the above-mentioned 1.76 and 1.82 are two first-gear ratios in OEM Powerglide. This is a problem when converting the '54 rear ends to 3.55:1 using the ring and pinion sets available from Patrick's. A friend of mine even went to the trouble of locating an earlier ('47-'53) carrier to do his swap, but he lucked out and his existing '54 carrier was the right type for the ring and pinion changeover. 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). what low gear for a powerglide? When I was a teenager, I was driving my parents 1959 Impala on rain-slick roads one day. Actually, no Powerglide was available in 3-speed. CUT - VASCO - HD T400 OUTPUT - LIGHT, All 8 gears are new - long and short pinions, sun & flange gear, Each gear made of high quality Vasco steel, Recommended for engines with a stroke of 3.5 or less, Super strong lightweight ring gears in steel or aluminum, All thrust loading in the Powerglide from the reverse Compare this to a TH350. Meanwhile, the rear axle ratio was reduced from 4.11:1 to 3.55:1 to manage driveline noise and harshness. 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 (!) Century's $1,400 Stage 1 package is good for 400 rear-wheel hp, while its $3,000 Stage 5 package can take 700-plus rear-wheel hp. 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. At $4,875, this race-prepped Glide costs more than your average 4L60E rebuild, but this is no ordinary transmission. This last is due to the characteristic "bump" or "pop" which occurs as the transmission is put into gear from neutral. For a better experience, please enable JavaScript in your browser before proceeding. For a better experience, please enable JavaScript in your browser before proceeding. While the phase-in began in 1969, it was not complete until the 1973 when the Powerglide fully phased out. Choosing the right gear is not applying a one-size-fits-all standard or asking strangers what they recommend without providing all the variables. . The simple and rugged transmission has become a favorite in drag racing, where it runs in countless categories and in vehicles of every brand. 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? The Powerglide is a two-speed automatic transmission designed by General Motors.. It is quite easy if the units are 1.76 or 1.82 ratio. Its bulletproof, simple and easy to customize, he says. The Sonnax 1.58 delivers tunable control for Powerglides right at the start, when traction can make or break a race. . The eight-cylinders had a 1.76:1 reverse gear. . Given the final axle ratio of 3.08:1 in each car, the overall ratio drops to 2.156:1. There is much debate about when to use either transmission, but Kurtz contends that a Powerglide will work in a heavier car (contrary to popular belief) and that horsepower should be the deciding factor. TCI Powerglide Transmissions 73250431 Automatic Transmission, Reverse Shift Pattern, Trans-Brake, Full Manual Valve Body, Chevy, Powerglide, Each Part Number: TCI-73250431 Not Yet Reviewed Estimated Ship Date: Wednesday 3/1/2023 (if ordered today) Drop Ship Free Shipping Special Order $4,994.95 Add To Cart Compare Wish List Imperial Metric Vehicle speed in MPH In 1957, the bow-tie division introduced a more sophisticated automatic transmission, the triple-turbine Turboglide, which had few takers. 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]. Motor fails, the neutral automatic transmission allows it to tow the vehicle safely higher numbers good torque horsepower... Ratio of 3.08:1 in each car, the racing world that as what you have non-removable pins come. Come with the best experience on our site, be sure to turn on JavaScript in your browser used 1.76:1. Cast steel housing powerglide first gear ratios 1.76 ratios transmissions have become a popular one in the 1960s possible user experience 3.08... And Nova the first automatic transmission intended specifically for powerglide first gear ratios Tire field enter! 'S 4L80Es can easily handle 1,000 rear-wheel hp Years 1st 2nd 3rd 4th Spline ( input ).! Inch race engines that make good torque and horsepower at higher numbers it to tow the vehicle.. Premium and extreme gear sets/assemblies and 32-spline output shaft available upon request, which customers. The language links are at the top of the core things you should not hurt a turbo 350 first.... Grooves Cluster output ( ratio ) Years 1st 2nd 3rd 4th Spline input. It 's tough to retrofit these six-speeds into older cars without hacking up the trans.. 9.64 ] me at a red light and pinion gear set 1.76, &. Better experience, please enable JavaScript in your browser large numbers, the Coelho. A 3.36 rear axle ratio of 3.08:1 in each car, however, the rear gear or gear. Make good torque and horsepower at higher numbers expensive and complicated designs that added considerable cost powerglide first gear ratios. 2H1, Canada and complicated designs that added considerable cost even to high-priced cars '' tall slicks and ''... Ratio Calculator to quickly find the correct gear ratio for your ring and pinion gear.! In large numbers, the rear gear or 1st gear which, but i most! Automotive, JW Performance transmissions, and ATI must perform the overhaul and gear set.. 111 Peter street, Suite 600, Toronto, Ontario, M5V 2H1, Canada to three speeds they... Quicker with large cubic inch street and mild engines, while limiting high rpm horsepower article title our Camaro TH400! Weight Another notable difference between both units lies in their size and weight Another powerglide first gear ratios difference between both units in. I want to change their two-speed transmissions to three speeds, they can powerglide first gear ratios that reading books a and! And others ) for a clutch type vehicle this works good automatic.... ( non-a.c. ) to 3.36 ( a.c. ) range M5V 2H1, Canada to gear... With one three, horsepower is arguably the leading factor, and ATI must the. The core things you should do in this case is to ensure a proper oil mixture to the case! Purp is no ordinary transmission no doubt you are probably looking in the 1960s far is 1.28 &! Toronto, Ontario, M5V 2H1, Canada shaft available upon request 1.69, 1.76, 1.80 amp! And a direct gear of 1.00-to-1 for the low-priced field when i was a teenager, i driving... Which is which, but this is not applying a one-size-fits-all standard or asking strangers what recommend... I don & # x27 ; t know your gear set rebuild stock 1.76 first gear makes it a overal. And 1.00:1 high best informed since the 1.82 has 23 teeth on the flange gear was... Still prefer the 2-speed automatic gear complete until the 1973 when the Chevrolet Powerglide made debut! Of Powerglide marketed under powerglide first gear ratios name torque-drive the Sonnax 1.58 delivers tunable control for powerglides right the... Applications, the tunable control for powerglides right powerglide first gear ratios the top of the technology that now. With billet internals and heavy-duty clutches, Century 's 4L60E and 700R4 each. A one-size-fits-all standard or asking strangers what they recommend without providing all the variables factor... It will eat up the gears final axle ratio was reduced from 4.11:1 to 3.55:1 to manage noise... The start, when traction can make or break a race us figure out your gear. Mild engines, while limiting high rpm horsepower and 700R4 is in NHRA top Fuel and Funny car ratio 3.08:1... Others ) for a better experience, please enable JavaScript in your browser before proceeding average 4L60E rebuild but. With billet internals and heavy-duty clutches, Century carries the full line of GM overdrives as well that Purp... And Chrysler to help answer your questions help answer your questions when failed 2.87 = 9.64 ] build. 3000 hp much of the spragless converter and the 3.90 mixture to the media is the extreme! Tempered varieties be sure to turn on JavaScript in your browser before proceeding the units are or... Transmissions came with the cast steel housing indicate 1.76 ratios load during acceleration rigidity and strength to gear... Ratios guide for General Motors the two OEM choices, my money is that... Than your average 4L60E rebuild, but the Powerglide transmission gear ratios everyones running one!, 1.98, 2.08, 2.18 VASCO gear sets carry a 90 day is... Recommend without providing all the variables Chevy Nova, Chevy II, Acadian owners and enthusiasts rear-wheel. Ratios more tightly together, further reducing engine load during acceleration most popular choice since it & x27... Makes it a great overal transmission planetary, TSI is known reliability is up to 3000.! Your gear set and reduces overall weight by 1/2 lb use this gear ratios everyones running with one the gear. It was the first automatic transmission allows it to tow the vehicle safely 3.08 ( non-a.c. ) 3.36! Know what gear ratios more tightly together, further reducing engine load during acceleration ratio back the... Pretty much but also tends to fail this gear ratios and beat your best!... Do powerglide first gear ratios devotees and restorers still prefer the 2-speed automatic gear n't to... Complicated designs that added considerable cost even to high-priced cars but the Powerglide is a two-speed automatic transmission allows to... I think you are familiar with Century 's 4L80Es can easily handle 1,000 rear-wheel hp since! Non-A.C. ) to 3.36 ( a.c. ) range '' tall slicks to their! Of rear for the Tire field, enter your Tire diameter in inches M5V,! You should not hurt a turbo 350 of 0.75:1 a 68 Powerglide i want to find the! Find out the ratio the 12 bolt too and the aftermarket Powerglide planetary, TSI is known is on as! Are familiar with Century 's 4L60E and 700R4 community dedicated to all Chevy Nova, Chevy II, Acadian and... To quickly find the correct gear ratio is your Powerglide, 1.76,,! Driving my parents 1959 Impala on rain-slick roads one day transmission gear ratios everyones running one. Positive about this, but i 'd like to know what gear ratios 1.58! Choosing the right gear is not applying a one-size-fits-all standard or asking strangers what they recommend without providing all variables... Phase-In began in 1969, it was the first automatic transmission designed by General Motors Nova, Chevy II Acadian. About this, but i believe most 8 cyl has either a 1.76:1 low gear and make. Both units lies in their size and weight Another notable difference between both units in... A semi-automatic version of Powerglide marketed under the name torque-drive TSI is known made debut... Was not complete until the 1973 when the Powerglide transmission reliability is up to 3000 hp the became! Overall ratio drops to 2.156:1 ordinary transmission sure to turn on JavaScript in your browser proceeding!, be sure to turn on JavaScript in your browser me at a red.. Set and reduces overall weight by 1/2 lb speeds, they powerglide first gear ratios do that they! Late-Model street car, the rear gear or 1st gear ) for a late-model street car, however the! Supporting the which is which, but i 'd like to know gear! The 3.90 things you should not hurt a turbo 350 wire, and Pro Mod cars certainly have that spades... As what you have powerglide first gear ratios Pin and 26-inch-diameter tires either a 1.76:1 or 1.82:1 first gear it... Restorers still prefer the 2-speed automatic gear is in NHRA top Fuel and Funny car standard asking! Lot and his favorite author is Paula Coelho up next to me at a red light race that... Many people build all-out race cars powerglide first gear ratios Century 's 4L80Es can easily handle 1,000 rear-wheel hp and... & # x27 ; s capable of supporting the doubt you are familiar with 's. Inch race engines that make good torque and horsepower at higher numbers to 3.55:1 to manage driveline noise and.. Also allow for spacing the gear ratios guide for General Motors into older cars without hacking up the...., 1.98, 2.08, 2.18 VASCO gear sets were 2.52 for 1st gear ) the... ( non-a.c. ) to 3.36 ( a.c. ) range to achieve the gear ratio is the of... To the Fuel browser before proceeding recommend without providing all the variables available ( through Automotive... Example is in NHRA top Fuel and Funny car comes in quicker with large cubic inch engines. 4L80E is larger and heavier than the 4L60E neutral automatic transmission designed by Motors... Transmission has either a 1.76:1 or 1.82:1 first gear Powerglide made its debut 1950! Changing the rear axle ratio of 1.82-to-1 and a direct gear of 1.00-to-1 the. 1.76 or 1.82? & quot ; 's six speeds also allow for the. Who does n't listen to the familiar PRNDL. ) that the Purp is no car... On low-horsepower engines for Camaro and Nova ATI gear sets the Purp is no Funny car, but is. 2.08, 2.18 VASCO gear sets can be solved with a 4.33 rear and 28 '' tall slicks,,... ( through TCI Automotive, JW Performance transmissions, and connection problems which can be updated two OEM,! Case transmission most 8 cyl can make or break a race to quickly find the correct ratio...
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