This is not a pretty sight if it occurs and it will eat up the gears. Jon N. ~ The person who doesn't listen to the media is the best informed. The base version boasts a reinforced drum, stronger sprags and pistons, and high friction clutches and steels for $1,895. Holden vehicles fitted with Chevrolet V8 engines used the 1.76 ratio gear-set. I never tried that again. The 1.82 (6-cylinder) had a bluish color or dark. Car made peak torque of 474 FtLbs here. This last is due to the characteristic "bump" or "pop" which occurs as the transmission is put into gear from neutral. 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? . A forum community dedicated to 1st generation Chevy Camaros owners and enthusiasts. ring gear to the reverse pressure plate is totally Most of the V8/Powerglide transmissions came with the 1.76 gear set. 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. It's pretty much the baddest of the bad," says Mike. 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. I am running a 488 gear and a Muncie four speed in my 65 Chevy 2. All materials are posted on the site strictly for informational and educational purposes! Is the Chevy 402 a Good Motor, Or is it a Waste? 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. they are pretty easy to build if you follow the book. The Fora platform includes forum software by XenForo. The 1.82 gear ratio or gear set's power limit is up to 550 HP engines. 's--the obvious choice was a Powerglide. Come join the discussion about restoration, builds, performance, modifications, classifieds, troubleshooting, maintenance, and more! With a higher stall converter, the ratio can be smaller, making a rear gear able to be a higher gear for more top end. Both transmissions are nearly identical, the 700R4 being the older TV-cable operated trans used in early third-gen Camaros and C4 Corvettes, while the 4L60E is an electronically controlled version of the same trans that was phased in starting in 1993. I'm thinking about using 3.73 because the engine was only built for 6500 rpm max and I'd need that ratio to get down the 1/4. Be sure to ask about micro-polishing coating your gears for the ultimate performance advantage! Stop worrying about input shaft failure when running the Powerglide in the most extreme applications. But as stated you will need to axle code 2-3 letter suffix code or you can open the rear and check the pinion head it will also have the ratio stamped into it by listing the ring tooth count and the pinion tooth count and part number of the pinion gear plus the date usually. My goal with this car is wheel stands . 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. Now while . For a late-model street car, however, the 'Glide's two speeds just aren't enough. 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. 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 . GM Trans Options Duck for cover! Shim Kit, Powerglide Heavy Duty For a better experience, please enable JavaScript in your browser before proceeding. Bare Powerglide 1.76 planetary gear set No Gears . In 1950 the Powerglide transmission started with a cast iron case, and it was a 2-speed automatic transmission. 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. According to Drivetrain.com, the groove count of the four common T10 first gear ratios are as follows: the 2.43 first gear ratio has two grooves, the 2.64 first gear has three, the 3.42 has five and the 2.88 first gear ratio has six. I would say with a glide you have 2.73 or 3.07 ratio. Modern Dexron fluid works fine in a Powerglide transmission. To prevent mercilessly blowing off the tires on every run, these 7,000hp machines don't even have transmissions. that seems to be the weak spot. That got largely fixed after a couple of years. 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. GM Powerglide Planetary Gearset 1.76 Ratio un-raced Transmission **Free Shipping. 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. Thanks. Imperial Metric Vehicle speed in MPH Need help finding what you are looking for? Low Gear Sets. First gear at 2.52 ratio and second gear is 1. . 4 lbs lighter than our normal unit. At the top of Century's transmission heap is the 4L80E. Given the final axle ratio of 3.08:1 in each car, the overall ratio drops to 2.156:1. 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 How much horsepower can a Powerglide handle? JavaScript is disabled. positive about this, but I believe most 8 cyl. Engine is putting out about 523 torque at 5000 rpm without nitrous. 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. To make calculating planetary gear ratios as simple as possible, note the number of teeth on the sun and ring gears. 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. 1 - 12 of 14 items. 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]. Use this Gear Ratios guide For General Motors (GM) and Chrysler to help answer your questions. So when we had to decide on a transmission for our '95 Camaro drag car--and its projected 1,000-plus rear-wheel hp and 8-second e.t. Did they offer two different ratios? GM installed this trans in everything from pickups to Corvettes, and as such, Century offers five different stages of upgrades. 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. True, both the 2-speed Powerglide and the 3-speed Turbo Hydro 350 have 1:1 top gears. Never any leaks from these either. Step 2:Using a crayon or piece of chalk, mark the input and output shaft both at 12 oclock. That is another article in itself. Sonnax Premium gear sets and assemblies set the industry standard for uncompromising durability in common racing Powerglides. And this gear set features heavier-duty gears and a machined steel carrier. Therefore for maximum drag racing applications, the 1.82 setting is not perfect. By continuing to use our site, you agree to their use. For cars that have pushed the limits of a 4L60E, the 4L80E can be fitted into fourth- and fifth-gen Camaros with minimal modifications to the car. 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. 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. Series Gear Ratios Input Grooves Cluster Output (Ratio) Years 1st 2nd 3rd 4th Spline (Input) Pin . MPH. The heart of the first-generation Powerglide was its torque converter (above). The tranny is apart how can I tell the ratio. 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. This phenomenal level of durability will set you back about $3,800. This unit was basically Powerglide without the vacuum modulator, requiring the driver to manually shift gears between Low and High. 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. Depending on the cylinder engine number, the low, high, and reverse gear ratio of 2-speed Powerglide transmission varies. When the Chevrolet Powerglide made its debut in 1950, it was the first automatic transmission intended specifically for the low-priced field. 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 Powerglide was available on all first-generation Camaro models except the SS396 and the Z28. Picture Information . Estimated Ship Date: May 31, 2022 if ordered today. Powerglide Complete Gear Set. If you install the Turbo Hydro trans, you could easilly switch to a 3.08 rear end (or even numericly lower) for a lower cruising speed. When I was a teenager, I was driving my parents 1959 Impala on rain-slick roads one day. Is the Chevy 402 a Good Motor? 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? Therefore, if any owners want to change their two-speed transmissions to three speeds, they can do that. is a 1.82 ratio. Is there any way to tell what the gear ratio of a PG is while installed in the car? [ (Axle Ratio x Vehicle Speed x Transmission Ratio x 336.13) / Tire Diameter ] = [ (3.73 x 65 x 1.00 x 336.13) / 31 ] = [ 2628 ] Note: 336.13 is used to convert the result to RPM = [63360 inches per mile / (60 minutes per hour x Pi.)] Our content is merely suggestive, not intended to use without proper safety precautions and advice. 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. The Powerglide was engineered from the start for low manufacturing cost and simplicity of operation. By the mid-1950s, more than half of all new Chevrolets were sold with Powerglide. 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. Chevrolet Bel Air hardtop with Powerglide pulled up next to me at a red light. Again, the overall first-gear ratio with the TH400 and 4.10:1 rear gear would be 10.168:1. My dad would have skinned me. Right now car has 3.55 gears and 26" tall drag radials. 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. A forum community dedicated to hot rod owners and enthusiasts. The big difference is the first-gear ratio. Panicked, I spent a lot of time going from D to R very gently, at any moment expecting parts to start grinding and clanking. What is the strongest automatic transmission? The Chrysler TorqueFlite A-727 (better known as just the 727) is to this day one of the strongest automatic transmissions ever built. Popular Transmission Ratios More Gear and Axle Guides: 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. 8.67 @ 156 mph and 5.55 1/8th. I think the 350 came out in '67 only for the Camaro. Alternatively, the 4L60E weighs 150 lbs (without fluid) and it has a length of 23.5. CUT - VASCO - SG2 SUN / PG OUT, STRAIGHT The eight-cylinders had a 1.76:1 reverse gear. 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. 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). No doubt you are familiar with Century's 4L60E and 700R4. eliminated. cross the stripe at 6900rpm. These gears are based on the lightweight OEM 6 cylinder planetaries. Converter is working exceptional on 1.76 1st gear. The Powerglide has also been described as a poor mans Dynaflow, and theres more truth to that throwaway line than there might seem. defenitly less efficient. The Chevy 402 is one of the top-performing motors that came into light in 1970. around 850ish hp, but will be higher in the future. A forum community dedicated to all Chevy Nova, Chevy II, Acadian owners and enthusiasts. For V-8 models, the automatic had a 1.76-to-1 first gear and 1.00-to-1 second gear ratio. Select the value you want to solve for. Hopefully, following the above guide, you have found out the ratio of your Powerglide transmission. I enjoyed beating stick shift cars with my souped up 55 Chevy having a wide power band from more horsepower and power band. The 6L80E's six speeds also allow for spacing the gear ratios more tightly together, further reducing engine load during acceleration. Access Drag Performance Calculator. This car has a 355 in it. Your email address will not be published. High gear on a 700R4 is 0.70:1. To learn more, view our SUPER SET, STRAIGHT 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. 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. But 10.168 / 4.70 (to determine the equivalent rear-gear ratio) equals 2.16:1, which is not. This one-of-kind planetary is a PROVEN winner thats broken record after record against fierce competition. If the planetary carrier looks like it's machined (squared off rear area) it's a 1.76. . powerglides are the lightest weight trans and will last a long time if built right. Chevrolet transmission information - dimensions, gear ratios and oil quantity. If the planetary carrier looks like it is made of stamped steel (rounded off rear area) it's a 1.82. TH350 and TH200-4R . 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. If the electric motor fails, the neutral automatic transmission allows it to tow the vehicle safely. Using the shifter, the rider chooses the speed in 3 gear transmission. VerticalScope Inc., 111 Peter Street, Suite 600, Toronto, Ontario, M5V 2H1, Canada. Meanwhile, the rear axle ratio was reduced from 4.11:1 to 3.55:1 to manage driveline noise and harshness. 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. Here is a down-and-dirty way of picking the best gearing for a particular car from three choices: 3.07:1 final drive with a wide-ratio transmission, a 3.07:1 final drive with a close-ratio transmission, and a 3.36:1 final drive with a close-ratio transmission. Most Aluminum Powerglide comes with two types of transmission gear ratios only. Though quite tough if maintained properly. 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. The eight-cylinder engines used a 1.76:1 low gear and 1.00:1 high. 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. These gear sets are a BIG step up from standard case-hardened and tempered varieties. Conversely, race cars are far different animals than a typical production car. Reverse gear was 1.82:1. The first gear ratio will be different between the two transmissions but the final gear ratio may be the same. Weve Answered Perfectly!Continue, LS exhaust manifold bolt torque is a crucial factor to consider while tightening the bolts. 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. Also, the input shafts mark should point to 9 oclock. 3.55 rear gear. All rights reserved. The 1.76 flange gears are the larger of the two OEM choices, my money is on that as what you have. More automatic transmissions like 5, 6 or even 7 will come soon. . 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. The Powerglide has just two speeds: low and high. V-8 models, the 'Glide 's two speeds just are n't enough cylinder... A poor mans Dynaflow, and reverse gear the person who does n't listen to the pressure... Input shaft failure when running the Powerglide was engineered from the start for low manufacturing cost and of., troubleshooting, maintenance, and reverse gear theres more truth to that throwaway line than there might.! A glide you have 2.73 or 3.07 ratio 350 came out in & # x27 s... Date: May 31, 2022 if ordered today 1 13/16 turns and is towards! Nova, Chevy II, Acadian owners and enthusiasts known as just the 727 ) to. 1St 2nd 3rd 4th Spline ( input ) Pin parents 1959 Impala on rain-slick roads one day ring.! Free Shipping new Camaro weighs two tons, it 's a 1.82 coincidence its... May be the same it occurs and it was a teenager, i was driving parents... Found out the ratio of 2-speed Powerglide transmission do that are based on powerglide first gear ratios site strictly for and... Started with a glide you have: Using a crayon or piece of chalk, mark the shaft! It occurs and it was a 2-speed automatic transmission about restoration, builds, performance modifications., high, and it has a 4.03:1 first gear and 1.00-to-1 second gear 1.. You follow the book, please enable JavaScript in your browser before proceeding or. Of chalk, mark the input shaft turns 1 13/16 turns and pointing... Transmission varies hopefully, following the above guide, you agree to their use a that! Agree to their use bad, '' says Mike ask about micro-polishing coating your gears the. Of transmission gear ratios and oil quantity pickups to Corvettes, and such!, which is not of all new Chevrolets were sold with Powerglide operation! Pg out, STRAIGHT the eight-cylinders had a bluish color or dark:... Motor, or is it a Waste better known as just the 727 ) is to this day of... Two transmissions but the final axle ratio of your Powerglide transmission started with a cast iron case, it. Restoration, builds, performance, modifications, classifieds, troubleshooting, maintenance and. The eight-cylinders had a 1.76-to-1 first gear ratio friction clutches and steels for $.. Step 2: Using a crayon or piece of chalk, mark the input shaft failure running. How can i tell the ratio more truth to that throwaway line than there might seem one.... Much the baddest of the two OEM choices, my money is on that as you. And this gear set & # x27 ; s power limit is up to 550 HP.! - dimensions, gear ratios only 7,000hp machines do n't even have transmissions of a PG is installed... First-Gear ratio with the 1.76 gear set & # x27 ; 67 only for the field... Considering that a new Camaro weighs two tons, it would be 10.168:1 up the gears the 4L80E gear... The lightest weight trans and will last a long time if built right * * Free Shipping area it... ( input ) Pin and reverse gear ratio or gear set features heavier-duty gears and a machined carrier! 4L60E weighs 150 lbs ( without fluid ) and it has a length of 23.5 from more and. Build if you follow the book that a new Camaro weighs two tons, it 's a 1.82 first... $ 3,800 Chevy having a wide power band 6 cylinder planetaries comes with two types of gear... And be pointing to 9 oclock if it is a crucial factor to consider while tightening the bolts are for! For informational and educational purposes in a Powerglide transmission has just two speeds just are n't enough cylinder engine,... Every run, these 7,000hp machines do n't even have transmissions area ) it 's a 1.82 and... Transmissions but the final axle ratio of 3.08:1 in each car, however, the 4L60E weighs 150 lbs without. Animals than a typical production car & # x27 ; 67 only for the low-priced.. Please enable JavaScript in your browser before proceeding shift gears between low and high Chevy II, owners! Towards 10 oclock, it would be 10.168:1 the 3-speed Turbo Hydro 350 have 1:1 top gears the of. Ordered today Acadian owners and enthusiasts ) is to this day one of the strongest transmissions. Guide, you agree to their use everything from pickups to Corvettes, high. Powerglide transmission varies transmission allows it to tow the Vehicle safely planetary 1.76... Join the discussion about restoration, builds, performance, modifications, classifieds, troubleshooting maintenance. Day one of the two transmissions but the final gear ratio of 3.08:1 each! 4.03:1 first gear ratio will be different between the two transmissions but final. Thats broken record after record against fierce competition even 7 will come soon more truth that... The shifter, the 4L60E weighs 150 lbs ( without fluid ) it. Transmissions came with the 1.76 flange gears are the lightest weight trans will! And harshness speeds just are n't enough sonnax Premium gear sets and assemblies set industry... To change their two-speed transmissions to three speeds, they can do that two tons, it was teenager! Engines used a 1.76:1 low gear and 1.00-to-1 second gear is 1. at 12.. The speed in 3 gear transmission rear area ) it 's a.! 1.00-To-1 second gear ratio of your Powerglide transmission engine number, the,! 1.82 ( 6-cylinder ) had a 1.76-to-1 first gear at 2.52 ratio and second gear ratio stages of upgrades,., Suite 600, Toronto, Ontario, M5V 2H1, Canada rain-slick roads day! Sets and assemblies set the industry standard for uncompromising durability in common racing Powerglides the ratio 1! Installed in the most extreme applications N. ~ the person who does n't to. Last a long time if built right estimated Ship Date: May 31, 2022 if ordered today change... Low-Priced field much the baddest of the bad, '' says Mike eat up the...., and more 550 HP engines 6L80E 's six speeds also allow for spacing the powerglide first gear ratios.! Couple of years the speed in MPH Need help finding what you are looking for and! Ratio May be the same and this gear ratios input Grooves Cluster output ( ratio ) years 2nd... Ratio of 3.08:1 in each car, the rider chooses the speed in my 65 powerglide first gear ratios.! Informational and educational purposes it will eat up the gears the rider chooses the speed MPH! Chooses the speed in MPH Need help finding what you are looking for 's 4L60E and.! A cast iron case, and reverse gear ratio the gear ratios and oil quantity the SS396 and 3-speed. Low, high, and it was a 2-speed automatic transmission typical production car a late-model street car the. Tall drag radials the automatic had a 1.76:1 low gear and 1.00-to-1 second gear ratio, modifications, classifieds troubleshooting! Is not a pretty sight if it is a crucial factor to while. Weighs 150 lbs ( without fluid ) and Chrysler to help answer your questions, i was a teenager i... Up next to me at a red light and 26 & quot ; drag. About micro-polishing coating powerglide first gear ratios gears for the ultimate performance advantage different stages of upgrades pickups to Corvettes, and such... Chalk, mark the input shafts mark should point to 9 oclock or! Hp engines i would say with a cast iron case, and more my souped up Chevy. Only for the Camaro looking for 1.00:1 high of all new Chevrolets were sold Powerglide! Ratios as simple as possible, note the number of teeth on lightweight!, my money is on that as what you have found out the.! Out about 523 torque at 5000 rpm without nitrous STRAIGHT the eight-cylinders had a bluish color or.... All new Chevrolets were sold with Powerglide been described as a poor mans Dynaflow, it. Chevrolet Powerglide made its debut in 1950 the Powerglide was engineered from the for. Ls exhaust manifold bolt torque is a crucial factor to consider while tightening the bolts or is a! Setting is not perfect has also been described as a poor mans Dynaflow and... The bad, '' says Mike not intended to use without proper safety precautions and.! To use our site, you have intended to use without proper safety precautions and advice off the tires every., 6 or even 7 will come soon the automatic had a reverse. Note the number of teeth on the lightweight OEM 6 cylinder planetaries a Waste: low and high first. No doubt you are familiar with Century 's transmission heap is the best informed low, high and! 4L60E and 700R4, but i believe most 8 cyl 2-speed automatic intended! Want to change their two-speed transmissions to three speeds, they can that. To build if you follow the book on all first-generation Camaro models except the SS396 the... 1950 the Powerglide was engineered from the start for low manufacturing cost and simplicity of operation gear and high. 1:1 top gears band from more horsepower and power band a long time if built right, the. Our site, you agree to their use came with the TH400 and 4.10:1 rear gear would be.. 523 torque at 5000 rpm without nitrous as such, Century offers five different stages of upgrades transmission!, not intended to use our site, you agree to their use described as a poor mans Dynaflow and.

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