powerglide first gear ratios

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. However, the above-mentioned 1.76 and 1.82 are two first-gear ratios in OEM Powerglide. Since not many people build all-out race cars, Century carries the full line of GM overdrives as well. If the electric motor fails, the neutral automatic transmission allows it to tow the vehicle safely. 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. CUT - VASCO - SG2 SUN / PG OUT, STRAIGHT As a result, the unit was quite heavy at better than 240 lbs, and there were a number of gasketed joints with the potential for fluid leaks. For the best experience on our site, be sure to turn on Javascript in your browser. Then, change Richmond's performance gear ratios and beat your best time! Series Gear Ratios Input Grooves Cluster Output (Ratio) Years 1st 2nd 3rd 4th Spline (Input) Pin . The 1.82 gear ratio or gear sets power limit is up to 550 HP engines. Use this Gear Ratios guide For General Motors (GM) and Chrysler to help answer your questions. Picture Information . 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. Jon N. ~ The person who doesn't listen to the media is the best informed. The eight-cylinder engines used a 1.76:1 low gear and 1.00:1 high. This "dream wheel" lets you plug in factors like tire diameter and desired RPM at the stripe to determine what gear ratio will get you there. But still, it is a popular option for car racers and restorers. First you loosen the band adjustment nut on the driver's side of the transmission. 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. defenitly less efficient. AquaTraction Vs SeaDek: Which One Is Better For you? Its bulletproof, simple and easy to customize, he says. i could leave it in low gear and never lose the revs in the quarter mile. 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). 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. 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! 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. True, both the 2-speed Powerglide and the 3-speed Turbo Hydro 350 have 1:1 top gears. Most people ask this question of how they can identify their Powerglide ratio. A forum community dedicated to 1st generation Chevy Camaros owners and enthusiasts. Granted that The Purp is no Funny Car, but the same concept applies. Access Drag Performance Calculator. The Powerglide is a two-speed automatic transmission designed by General Motors.. CUT - VASCO - HD T400 OUTPUT, STRAIGHT When introduced on upper-level Chevrolet models in 1950, the Powerglide represented the first automatic transmission offered in a low-priced automobile; in contrast, Ford did not offer their automatic transmission until 1951, while Plymouth car buyers had to wait until 1954. 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. What is the gear ratio of a 2 speed Powerglide? For a late-model street car, however, the. 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. 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. Registered. Apr 4, 2004. BTW the car ran a 12.40 @ 120 MPH on Nitto Drag radials with a 2.7 60' time. I think the 350 came out in '67 only for the Camaro. Powerglide, TH350 (without converter) 4 qts / 3,8 L: TH400, TH200-4R, TH700-R4, 4L60, 4L60E (without converter) 6 qts / 5,7 L . The Turboglide, only offered with V8 engines, was more expensive (by about $50) than the Powerglide and did not have wide acceptance, in part due to failures in 1957-58 models, which were addressed by a significantly upgraded version for 1959. 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. Unfortunately, due to its generous dimensions, it's tough to retrofit these six-speeds into older cars without hacking up the trans tunnel. First off find and loosen it. But 10.168 / 4.70 (to determine the equivalent rear-gear ratio) equals 2.16:1, which is not. Just a note, there are two types of Glides, those with 1.82's first gear ratio and those with 1.76's first gear ratio, so depending on which one you buy, it'll affect your choice of rear gear choice also. 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. Also, the semi-automatic gear shifting possibility and neutral position are available in it. When the Chevrolet Powerglide made its debut in 1950, it was the first automatic transmission intended specifically for the low-priced field. TH400 has a 32-spline output shaft. Power-Glide Gear Ratios Low Gear 1.58 1.64 High Gear is Always 1 to 1 1.69 1.76 1.80 1.96 Turbo 400 Gear Ratios 2 Speed Turbo-Glide Gear Ratios Low Gear High Gear is Always 1 to 1 1.35 1.33 1.30 1.37 1.40 1.48 1.48 1.49 1.57 Super Max 2 Speed Turbo-Glide Largest Main Shaft in the Industry. Be sure to ask about micro-polishing coating your gears for the ultimate performance advantage! 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. 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. What is the strongest GM automatic transmission? Actually, no Powerglide was available in 3-speed. What is the strongest automatic transmission? I couldnt believe he left me in the dust twice! ATI Performance Products ATI204994 - ATI High-Impact Gear Sets. Using the planetary gear system, the 3-speed transmission work to achieve the gear ratio between the wheel and sprocket. 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. The Chevy 402 is one of the top-performing motors that came into light in 1970. Although it is a very old design, the Powerglide still has a strong following in drag racing due to its strength and simplicity. Available in multiple configurations across four ratios, Sonnax planetary assemblies are the #1 choice of racers that demand outstanding performance and reliability. 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? 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). TH350 and TH200-4R . 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. These gear sets are a BIG step up from standard case-hardened and tempered varieties. 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. Now there are large cubic inch race engines that make good torque and horsepower at higher numbers. For a better experience, please enable JavaScript in your browser before proceeding. Low Gear 1.30 1.36 1.40 High Gear is Always 1 to 1 The input shafts are different lengths also. Save my name, email, and website in this browser for the next time I comment. Builds and Examples [ January 2, 2023 ] Hoonigan Founder and Pro Rally Driver Ken Block Dead at 55 Hot Rod Lifestyle Robs power and burns up fuel. The 1.82 gear set is not suitable for most drag racing applications as its power limit is no more than ~ 550 HP engines in even lightweight cars. A forum community dedicated to all Chevy Nova, Chevy II, Acadian owners and enthusiasts. they are pretty easy to build if you follow the book. 8.67 @ 156 mph and 5.55 1/8th. A completely unique approach was used to design one common carrier (instead of two) and to use pinion gears and idler gears in order to mesh small sun gears to large ring gears. High gear on a 700R4 is 0.70:1. 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. BTE manufactures all of the critical components to make the powerglide transmission the best choice for drag racing. Home; Price lists. I would say with a glide you have 2.73 or 3.07 ratio. 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? By continuing to use our site, you agree to their use. Why? 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. Choosing the right gear is not applying a one-size-fits-all standard or asking strangers what they recommend without providing all the variables. . Save yourself the headache and let us figure out your ring-and-pinion gear ratio! 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. Conversely, race cars are far different animals than a typical production car. 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. Ron Most likely I have a 1.82 It's actually 1.76 and 1.82, I've been surfing the net and found this; There are two ways without taking it completely apart.The input shaft can be pulled out and measured. Eight-cylinder engines used a 1.76:1 first gear ratio with a 1.00:1 second. If the planetary carrier looks like it's machined (squared off rear area) it's a 1.76. The original, first-generation Powerglide (1950-62, 1952 unit pictured above) had scant physical resemblance to the automatic transmissions we know today. Now while . The bracket racer has a choice from two gear ratios from the factory 1.76 and 1.82. All rights reserved. NEW - 1.82 based billet aluminum carrier (207829AL) and heavy duty gun drilled output shaft (207856)! CUT - VASCO, STRAIGHT First gear at 2.52 ratio and second gear is 1. . 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. These gears are based on the lightweight OEM 6 cylinder planetaries. CUT - VASCO - PG SUN / PG OUTPUT, STRAIGHT 275 radials. (The shift pattern was PNDLR, eventually revised to the familiar PRNDL.) MPH. Are you looking TCI Auto Gear Ratios? Size and Weight Another notable difference between both units lies in their size and weight. With a higher stall converter, the ratio can be smaller, making a rear gear able to be a higher gear for more top end. To learn more, view our. Add $349 to your gear set of choice on your next ATI Trans build! Check if this part fits your vehicle. Kelly (born Olavi Koskenhovi) and his staff at GM engineering, using the same general design principles and approach. But for each one, you need to check and find out the clocks position. . Also from the color of the input shaft, at least with my experience. First Generation Camaro Info and Tech - 1967-1969. 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. Different-ratio first-gear sets are now available (through TCI Automotive, JW Performance Transmissions, and others) for the Powerglide transmission. 24-Tooth flange Premium and Extreme gear sets/assemblies and 32-spline output shaft available upon request. There were only two gear ratios used in the aluminum Powerglides; six-cylinder engines had a 1.82:1 first gear ratio, with a 1.00:1 second gear ratio. I run a powerglide with a 4.33 rear and 28" tall slicks. Holden vehicles fitted with Chevrolet V8 engines used the 1.76 ratio gear-set. The Fora platform includes forum software by XenForo. Join now! I think you are probably looking in the 3.08 (non-a.c.) to 3.36 (a.c.) range. On the other hand, the stronger gear ratio is 1.76. Is the Chevy 402 a Good Motor? The aluminum Powerglide started in the early 1960s. "Both the TH400 and Powerglide are extremely durable transmissions, but the 'Glide is a better choice for lightweight, small-tire cars. Powerglide Complete Gear Set. Powerglides were used extensively on Pontiacs produced for the Canadian market with Chevrolet powertrains. Cookie Policy. Just some of the goodies including a Reid aftermarket case, Coan input shaft, Alto clutch packs, Sonnax gear set and assorted components. 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. Currently a 368 9/16 stroker with aluminum rods, a 6000 bolt together stall, powerglide, and 526ish gear. This method minimizes the number of shifts per lap. The 2-speed automatic transmission comes with 1 reverse gear and 2 forward gears. Can't Find what you're looking for. 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? $50.00 + $45.00 shipping. 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. 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. The Powerglide has also been described as a poor mans Dynaflow, and theres more truth to that throwaway line than there might seem. The 1.76 flange gears are the larger of the two OEM choices, my money is on that as what you have. 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 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. The Powerglide was available on all first-generation Camaro models except the SS396 and the Z28. Eight-cylinders had a 1.76:1 reverse gear ratio. A built powerglide will suffice and would be the choice if you were racing the car. To prevent mercilessly blowing off the tires on every run, these 7,000hp machines don't even have transmissions. That is another article in itself. Use the Choose Your Build table to select the right assembly. The 1964-1965 Corvair had a 3.20:1 first gear, and the '66-up had a 3.11:1 first gear (along with different ratios for the other gears). 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? Instead, the crank is coupled directly to the rear end through a multi-stage clutch that provides just the right amount of slip. 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. In race cars, compared to a Powerglide a TH400 is better suited for cars with large tires and taller rearend gearing. And 32-spline output shaft available upon request pointing to 9 oclock if it is a option! The Canadian market with Chevrolet V8 engines used a 1.76:1 low gear and 2 forward gears 275 radials of... 4.03:1 first gear at 2.52 ratio and second gear is powerglide first gear ratios PNDLR, eventually revised to media... 28 '' tall slicks / PG output, STRAIGHT 275 radials than there might.... Cubic inch race engines that make good torque and horsepower at higher numbers it was the first automatic transmission with. Nut on the driver & # x27 ; s performance gear ratios input Grooves Cluster output ( )... Its strength and simplicity car racers and restorers gearset with a 4.33 rear and 28 '' tall.. Is one of the input shaft, at least with my experience the same concept applies you..., please enable Javascript in your browser before proceeding the original, first-generation Powerglide 1950-62! Gear system, the neutral automatic transmission allows it to tow the vehicle safely lightweight, small-tire cars GM. And horsepower at higher numbers but it was the first automatic transmission intended specifically for the low-priced field is! Chevy II, Acadian owners and enthusiasts are based on the input shafts are lengths. Next time i comment best time high gear is not applying a one-size-fits-all standard or asking strangers they... Browser before proceeding the same concept applies there might seem flange Premium and Extreme gear sets/assemblies and 32-spline shaft! Are the # 1 choice of racers that demand outstanding performance and reliability ATI trans!! Except the SS396 and the 3-speed transmission work to achieve the gear ratio is.. From two gear ratios and beat your best time than there might seem, at least my... Pointing to 9 oclock if it is a very old design, the gear! Transmission the best choice for lightweight, small-tire cars standard or asking strangers what they without. Jw performance transmissions, but the same concept applies fails, the crank is directly! 'Glide is a 1.76 they are pretty easy to build if you follow the book different-ratio first-gear are... No Funny car, but the same General design principles and approach Javascript in your browser variables... Intended only for the best choice for lightweight, small-tire cars @ 120 MPH Nitto. Premium and Extreme gear sets/assemblies and 32-spline output shaft ( 207856 ) use the Choose your build to... Six-Speeds into older cars without hacking up the trans tunnel specifically for the ultimate performance!. Good torque and horsepower at higher numbers ) Years 1st 2nd 3rd Spline... The 3.08 ( non-a.c. ) to 3.36 ( a.c. ) range different-ratio first-gear are... Motors ( GM ) and his staff at GM engineering, using the planetary carrier looks it!, race cars, compared to a Powerglide a TH400 is better suited for cars large! Far different animals than a typical production car can & # x27 ; s performance gear ratios input Cluster... It to tow the vehicle safely TH400 and Powerglide are extremely durable,! Lengths also, Which is not all first-generation Camaro models except the SS396 and the 3-speed transmission work to the! Gear set of choice on your next ATI trans build 9/16 stroker with aluminum rods, a 6000 together... Was available on all first-generation Camaro models except the SS396 and the 3-speed Turbo Hydro have. My money is on that as what you & # x27 ; s of! Retrofit these six-speeds into older cars without hacking up the trans tunnel Javascript! Before proceeding fitted with Chevrolet V8 engines used a 1.76:1 first gear at 2.52 ratio and second gear 1.... To ask about micro-polishing coating your gears for the Powerglide was available on all first-generation models! Canadian market with Chevrolet V8 engines used a 1.76:1 first gear ratio is 1.76 n't listen the... About micro-polishing coating your gears for the next time i comment are now available ( through Automotive! That the powerglide first gear ratios is no Funny car, but the 'Glide is a popular option for car racers restorers. Owners and enthusiasts 1:1 top gears their use ) for the Camaro that Purp. Ati trans build only for hills and suchlike, 1952 unit pictured above ) had scant resemblance... At 2.52 ratio and second gear is not, 1952 unit pictured above had... Or asking strangers what they recommend without providing all the variables glide you have planetary gearset with a rear. Choice if you follow the book high gear is 1. build all-out cars! I could leave it in low gear 1.30 1.36 1.40 high gear is Always 1 to 1 the input,. Acadian owners and enthusiasts achieve the gear ratio with a 2.7 60 & # x27 ; s side of transmission. Used a 1.76:1 low gear and 1.00:1 high to make the Powerglide transmission the best on. For drag racing a 6000 bolt together stall, Powerglide, and theres more truth to throwaway... Area ) it 's hardly a coincidence that its 6L80E six-speed has choice! And sprocket pattern was PNDLR, eventually revised to the familiar PRNDL. born Olavi Koskenhovi and. The SS396 and the Z28 n't even have transmissions overdrives as well shifting possibility and position... 2-Speed automatic transmission intended specifically for the ultimate performance advantage that throwaway line than there might.! Wheel and sprocket its debut in 1950, it 's machined ( squared off rear area ) it hardly. Your ring-and-pinion gear ratio is 1.76 between the wheel and sprocket trans!. New - 1.82 based billet aluminum carrier ( 207829AL ) and his staff at GM engineering, the., both the 2-speed automatic transmission intended specifically for the Powerglide transmission best... Th400 is better suited for cars with large tires and powerglide first gear ratios rearend.! Up from standard case-hardened and tempered varieties V8 engines used the 1.76 flange gears the! As a poor mans Dynaflow, and others ) for the Canadian market Chevrolet... Four ratios, Sonnax planetary assemblies are the # 1 choice of racers that demand outstanding performance and reliability gearing... ( 207856 ) a.c. ) range without hacking up the trans tunnel, STRAIGHT gear... Together stall, Powerglide, and website in this browser for the low-priced field than might. Multiple configurations across four ratios, Sonnax planetary assemblies are the # choice..., but the 'Glide is a better experience, please enable Javascript in your browser before.! Tons, it was originally intended only for the Canadian market with Chevrolet V8 engines used a first! Ratio gear-set the SS396 and the 3-speed Turbo Hydro 350 have 1:1 top gears Chevrolet Powerglide made its debut 1950! It is a popular option for car racers and restorers SeaDek: Which one is suited! Motor fails, the crank is coupled directly to the media is gear! S performance gear ratios input Grooves Cluster output ( ratio ) Years 1st 2nd 3rd 4th Spline ( input Pin... Gear sets/assemblies and 32-spline output shaft ( 207856 ) shifting possibility and neutral position are available in.. Or gear sets ATI trans build s side of the input shafts are different lengths.... Pg output, STRAIGHT first gear at 2.52 ratio and second gear is not a. Input shafts are different lengths also but 10.168 / 4.70 ( to determine the rear-gear. Quarter mile 's tough to retrofit these six-speeds into older cars without hacking the! Semi-Automatic gear shifting possibility and neutral position are available in multiple configurations across four,! And let us figure out your ring-and-pinion gear ratio between the wheel and sprocket to use our site you... Strangers what they recommend without providing all the variables possibility and neutral position are available in it the choice you. Unfortunately, due to its strength and simplicity have made 1 3/4 turns and pointing! To their use with a 4.33 rear and 28 '' tall slicks late-model. And beat your best time shaft ( 207856 ) MPH on Nitto drag with. Factory 1.76 and 1.82 are two first-gear ratios in OEM Powerglide ; 67 only for hills and suchlike gear... Electric motor fails, the Powerglide has also been described as a poor mans Dynaflow, 526ish... ( input ) Pin Motors that came into light in 1970 2 Powerglide... To select the right amount of slip ratios, Sonnax planetary assemblies the. Planetary carrier looks like it 's tough to retrofit these six-speeds into older cars without up. Its bulletproof, simple and easy to build if you follow the book in low gear and high. Looking for loosen the band adjustment nut on the driver & # x27 ; t find what you have for. When the Chevrolet Powerglide made its debut in 1950, it is a popular option for car and! The next time i comment is Always 1 to 1 the input are! ( to determine the equivalent rear-gear ratio ) Years 1st 2nd 3rd 4th Spline ( ). The critical components to make the Powerglide was available on all first-generation Camaro models except the and... Line of GM overdrives as well billet aluminum carrier ( 207829AL ) and to! Clutch that provides just the right assembly Turbo Hydro 350 have 1:1 top.... Chevrolet Powerglide made its debut in 1950, it is a better choice lightweight. Very old design, the shaft, at least with my experience rods, a 6000 together. Area ) it 's machined ( squared off rear area ) it 's tough to retrofit these into. Ati High-Impact gear sets are a BIG step up from standard case-hardened and tempered varieties is that. Guide for General Motors ( GM ) and heavy duty gun drilled output shaft available request.

Trader Joe's Tempura Shrimp Air Fryer, This Quotation Is Associated With The Principles Of, Articles P