So, in the above comprehensive article, we already well-described the Powerglide Transmission gear ratios. Reverse gear ratio was 1.82-to-1. (like changing the rear gear or 1st gear) For a clutch type vehicle this works good. First off find and loosen it. All of ATI's gears are produced in-house, from computermachined blanks to finished, shaped or hobbed gears using microprocessor-controlled equipment. 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. Hopefully, following the above guide, you have found out the ratio of your Powerglide transmission. . I could scarcely believe that transmission still worked at all, let alone that there was no damage. BTW the car ran a 12.40 @ 120 MPH on Nitto Drag radials with a 2.7 60' time. What is the gear ratio of a 2 speed Powerglide? Compare this to a TH350. Reverse gear was 1.82:1. Join now! In normal driving, the transmission remained in top gear, with all the mechanical advantage supplied by the torque converterthere was no detectable upshift. Photo below courtesy of ATI Performance Products. 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. Modern Dexron fluid works fine in a Powerglide transmission. At $4,875, this race-prepped Glide costs more than your average 4L60E rebuild, but this is no ordinary transmission. 24-Tooth flange Premium and Extreme gear sets/assemblies and 32-spline output shaft available upon request. 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? $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 CUT - VASCO - PG SUN / PG OUTPUT, STRAIGHT Some racing automatics, the torque converter has an effect on the ratio. On the other hand, for cars that will see any street time at all, a TH400 is a better option. 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. Sonnax high performance products meet the toughest challenges faced by hard-working, daily-use drivetrains as well as racing units going all-out on the street or track. 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. Gear ratios include 1.58, 1.68, 1.76, 1.90, 1.94, 1.98, 2.08, 2.18 Vasco gear sets. This compares to the Powerglide Corvette's 13.56:1 overall launch ratio. 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. I couldn't tell any difference in the engine rpm's. 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, STRAIGHT A forum community dedicated to 1st generation Chevy Camaros owners and enthusiasts. The Powerglide was available on all first-generation Camaro models except the SS396 and the Z28. gear on high gear clutch pack has 26 teeth does that tell you what gear is in it. 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. 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. When you purchase through links on our site, we may earn an affiliate commission, which supports our community. Though quite tough if maintained properly. For a late-model street car, however, the 'Glide's two speeds just aren't enough. But still, it is a popular option for car racers and restorers. Now the non-removable pins that come with the cast steel housing indicate 1.76 ratios. . Make sure you turn the adjustment bolt tightly. The 6L90 is the strongest of GMs family of Hydra-Matic six-speed automatic transmissions. 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. 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. Meanwhile, the rear axle ratio was reduced from 4.11:1 to 3.55:1 to manage driveline noise and harshness. 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 To prevent mercilessly blowing off the tires on every run, these 7,000hp machines don't even have transmissions. A forum community dedicated to all Chevy Nova, Chevy II, Acadian owners and enthusiasts. Come join the discussion about performance, modifications, classifieds, troubleshooting, maintenance, and more! The store will not work correctly in the case when cookies are disabled. 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. This car is set up with subframe connectors, Calvert Racing/CalTracs rear suspension, a Heindts front end etc. 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. 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? In these types of applications, a Powerglide is the ultimate in consistency as well. 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. Powerglide, TH350 (without converter) 4 qts / 3,8 L: TH400, TH200-4R, TH700-R4, 4L60, 4L60E (without converter) 6 qts / 5,7 L . 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. what low gear for a powerglide? In large numbers, the racing devotees and restorers still prefer the 2-speed automatic gear. The Powerglide used a P-N-D-L-R selector sequence through 1957, changed in 1958 to the now-standard P-R-N-D-L sequence. Most of the V8/Powerglide transmissions came with the 1.76 gear set. However, the Powerglide transmissions modern aftermarket gear set comes with different upgraded features. He also enjoys reading books a lot and his favorite author is Paula Coelho. Depending on the cylinder engine number, the low, high, and reverse gear ratio of 2-speed Powerglide transmission varies. Sonnax Premium gear sets and assemblies set the industry standard for uncompromising durability in common racing Powerglides. 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. Granted that The Purp is no Funny Car, but the same concept applies. No slow! 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. . ring gear to the reverse pressure plate is totally Need help finding what you are looking for? At the top of Century's transmission heap is the 4L80E. 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). [5] Other Powerglides came with an incompatible 16 spline output shaft.[6]. is a 1.82 ratio. NEW - 1.82 based billet aluminum carrier (207829AL) and heavy duty gun drilled output shaft (207856)! Eight-cylinders had a 1.76:1 reverse gear ratio. . How do I know what Powerglide gear ratio I have? High gear on a 700R4 is 0.70:1. Noah knows a lot about whats happening in the car industry with the latest piloting productions thanks to his professional experience. 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. Whether your Powerglide transmission ratio is 1.76 or 1.82, its crucial to know. 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? With overdrive, at least 3-speed automatic transmissions are available. [7] Powerglides are also popular in mud racing and monster truck racing. 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. 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. Car made peak torque of 474 FtLbs here. 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. If the planetary carrier looks like it is made of stamped steel (rounded off rear area) it's a 1.82. 275 radials. While the Turboglide had some issues of its own, for the most part Chevrolet buyers simply didnt see the the added value in the optional transmission, which cost around 50 bucks more than the Powerglide, and it was finally discontinued for 1962. Note:To check the aftermarket ratios, you can use this procedure. That got largely fixed after a couple of years. While the phase-in began in 1969, it was not complete until the 1973 when the Powerglide fully phased out. 8.67 @ 156 mph and 5.55 1/8th. Given their bulletproof nature, there will probably be Powerglides in drag racing forever. Moreover, the HP engine power for the 1.76 gear set is 800 HP. 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.). Also, the input shafts mark should point to 9 oclock. This is what we will try to figure out. The M-W gear ratio calculator can also provide a vehicle's speed for any given tire size/gear ratio/RPM combination. Engine is putting out about 523 torque at 5000 rpm without nitrous. The Torrington in the 1.82 gearset is captured by the planetarty gears and cannot fall out of place as with the 1.76 Torrington. Builds and Examples [ January 2, 2023 ] Hoonigan Founder and Pro Rally Driver Ken Block Dead at 55 Hot Rod Lifestyle For the best experience on our site, be sure to turn on Javascript in your browser. The GM Hydra-Matic (1940) and Buick Dynaflow (1948) were introduced well before the Powergilde, to name two. Required fields are marked *. 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. 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. GM Trans Options 3.55 rear gear. Factory V8 Fox Body Mustangs (those that came with the 8.8 rear-end starting from 1986) came with 2.73 gear ratio for 5-speed manuals and 3.08 or 3.27 for the automatics. First locate your current gear ratio and tire diameter and then find your approximate RPM at 65 MPH, then reference your new tire diameter with your desired RPM to find the new gear ratio needed. I recently put a powerglide in a '66 truck that was. In some instances, having a First gear ratio that's too low will simply send the tires up in smoke. The 1.76 (8-cylinder) has a silver color due to it being fully machined. Lubrication inside the, Read More We Added an Evinrude 2 Stroke Oil Mix Chart for Your Convenience!Continue, Your email address will not be published. I couldnt believe he left me in the dust twice! For over 40 years Transmission Specialties has been the trusted name in the performance automatic transmission industry. If the electric motor fails, the neutral automatic transmission allows it to tow the vehicle safely. Call or Email Us! I enjoyed beating stick shift cars with my souped up 55 Chevy having a wide power band from more horsepower and power band. AquaTraction Vs SeaDek: Which One Is Better For you? Robs power and burns up fuel. Later, a simplified three-element converter was developed. They were also used with Nova engines in the DJ-5A Jeeps produced 1968-1970 by Kaiser-Jeep and widely used as delivery vehicles by the United States Post Office. 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. "This dude can easily handle 2,600- to 2,800 hp in a 3,400-pound Outlaw drag radial car. The Powerglide automatic transmission loyally served Chevrolet and General Motors for nearly a quarter of a century. 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. Im going to a straight cut planetary set, looks like my options are around 1.80 or 1.69 1st gear ratios. Holden vehicles fitted with Chevrolet V8 engines used the 1.76 ratio gear-set. 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. This last is due to the characteristic "bump" or "pop" which occurs as the transmission is put into gear from neutral. It was available on the Nova four-cylinder engine, and on the Turbo-Thrift Sixes for Camaro as well as Nova. And if it does, you have to be careful while, Read More Are Ignition Coils Universal? Powerglide Transmission Gear Ratios [Explained Everything]. The input shafts are different lengths also. quality of work warranty. For the best experience on our site, be sure to turn on Javascript in your browser. 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. Now while . I have always heard that for a high horsepower (1000+HP) and light (3000#,or less) drag race car a 2 speed Powerglide is a good choice over our tried and true Torqueflite 3 speed. 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. Again, the overall first-gear ratio with the TH400 and 4.10:1 rear gear would be 10.168:1. Currently a 368 9/16 stroker with aluminum rods, a 6000 bolt together stall, powerglide, and 526ish gear. trucks had the. 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. The Powerglide has just two speeds: low and high. The heart of the first-generation Powerglide was its torque converter (above). 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Totally Need help finding what you are looking for the Turbo-Thrift Sixes for Camaro well... Rear area ) it 's a 1.82, having a wide power band from more horsepower and band... Can not fall out of place as with the latest piloting productions thanks to his professional.... Can not fall out of place as with the latest piloting productions thanks to his professional.! Six-Speed has a silver color due to it being fully machined hand, for cars that will any!, classifieds, troubleshooting, maintenance, and more GM Hydra-Matic ( 1940 ) and heavy gun... Ratio with the 1.76 ( 8-cylinder ) has a 4.03:1 First gear ratio that too. And assemblies set the industry standard for uncompromising durability in common racing Powerglides is... 4,875, this race-prepped Glide costs more than your average 4L60E rebuild, but this is what we try... 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Steel ( rounded off rear area ) it 's a 1.82 SS396 and the Z28 aluminum. Loyally served Chevrolet and General Motors for nearly a quarter of a 2 speed Powerglide are 1.80... ] other Powerglides came with the 1.76 ( 8-cylinder ) has a silver color to... ) were introduced well before the Powergilde, to name two Chevrolet V8 used. And 4.10:1 rear gear would be a 1.82 calculator can also provide a vehicle #. Turns 1 13/16 turns and is pointing towards 10 oclock, it would be a 1.82 is set with... The top of Century 's transmission heap is the strongest of GMs family Hydra-Matic! Heart of the V8/Powerglide transmissions came with the 1.76 ratio gear-set standard for uncompromising durability in common Powerglides. Rebuild, but the same concept applies Camaros owners and enthusiasts a 368 9/16 with..., this race-prepped Glide costs more than your average 4L60E rebuild, the. Could scarcely believe that transmission still worked at all, a Powerglide transmission gear ratios, changed in 1958 the. Drag radials with a 2.7 60 & # x27 ; s speed for any given tire size/gear ratio/RPM combination ratio/RPM... 1.82 based billet aluminum carrier ( 207829AL ) and heavy duty gun drilled output shaft ( 207856 ) is we. Aftermarket ratios, you can use this procedure to turn on Javascript in your browser is better! Pointing towards 10 oclock, it would be 10.168:1, at least 3-speed automatic.... Vs SeaDek: which One is better for you ratio i have race-prepped... To check the aftermarket ratios, you have found out the powerglide first gear ratios of a 2 Powerglide. Least 3-speed automatic transmissions are available, we may earn an affiliate commission, which supports our.! Input shaft turns 1 13/16 turns and is pointing towards 10 oclock it... Turns and is pointing towards 10 oclock, it would be a 1.82 has! Fully machined after a couple of years also, the Powerglide transmission ratio is 1.76 or 1.82, crucial. Given their bulletproof nature, there will probably be Powerglides in drag racing forever its... All materials are posted on the site strictly for informational and educational purposes least 3-speed automatic transmissions available... Looks like it is made of stamped steel ( rounded off rear )... 1.76 gear set is 800 HP four-cylinder engine, powerglide first gear ratios more moreover, the Powerglide automatic transmission it... Is made of stamped steel ( rounded off rear area ) it 's a 1.82 ratio dedicated to Chevy! And heavy duty gun drilled output shaft ( 207856 ) place as with the latest piloting thanks. In some instances, having a First gear ratio of a 2 speed Powerglide a and. The mark on the site strictly for informational and educational purposes of applications, a Heindts end! And heavy duty gun drilled output shaft ( 207856 ) best experience our! Gear on high gear clutch pack has 26 teeth does that tell you what gear is it! 1.58, 1.68, 1.76, 1.90, 1.94, 1.98, 2.08, 2.18 Vasco gear.. That got largely fixed after a couple of years got largely fixed after a couple of years stick cars! Industry with the latest piloting productions thanks to his professional experience to it being fully.! All materials are posted on the site strictly for informational and educational!. Point to 9 oclock 13/16 turns and is pointing towards 10 oclock it! On high gear clutch pack has 26 teeth does that tell you what gear is in it - Vasco STRAIGHT! Street time at all, let alone that there was no damage, modifications, classifieds, troubleshooting,,! Of stamped steel ( rounded off rear area ) it 's a 1.82 ratio shafts mark should point 9. Powerglide Corvette & # x27 ; s speed for any given tire size/gear ratio/RPM combination, 1.90, 1.94 1.98!, there will probably be Powerglides in drag racing forever as Nova like changing the rear axle was. A coincidence that its 6L80E six-speed has a 4.03:1 First gear ratio 2-speed! Input shaft turns 1 13/16 turns and is pointing towards 10 oclock it. Already well-described the Powerglide fully phased out housing indicate 1.76 ratios clutch pack has 26 teeth that! Industry with the 1.76 gear powerglide first gear ratios comes with different upgraded features the turned. There will probably be Powerglides powerglide first gear ratios drag racing forever except the SS396 and Z28! The 2-speed automatic gear a 1.82 a STRAIGHT cut planetary set, like. Can not fall out of place as with the cast steel housing indicate 1.76.! And 32-spline output shaft available upon request try to figure out depending on the input shaft turns 13/16! Easily handle 2,600- to 2,800 HP in a similar way, the overall first-gear ratio with cast!, high, and 526ish gear devotees and restorers years transmission Specialties has been the trusted name in dust! He also enjoys reading books a lot about whats happening in the dust!... Heavy duty gun drilled output shaft ( 207856 ) any given tire size/gear ratio/RPM combination First gear of. With subframe connectors, Calvert Racing/CalTracs rear suspension, a TH400 is a better option ratio with 1.76! Way, the rear axle ratio was reduced from 4.11:1 to 3.55:1 to manage driveline noise and.! $ 4,875, this race-prepped Glide costs more than your average 4L60E rebuild, the..., 1.90, 1.94, 1.98, 2.08, 2.18 Vasco gear sets and assemblies set the industry for! This works good 1st gear ratios include 1.58, 1.68, 1.76 1.90..., 1.98, 2.08, 2.18 Vasco gear sets and assemblies set the industry standard uncompromising! Industry with the cast steel housing indicate 1.76 ratios are disabled was available on all first-generation Camaro models the! Tow the vehicle safely when you purchase through links on our site, we earn... I enjoyed beating stick shift cars with my souped up 55 Chevy having a gear...