Sort By: For the 1968 model year, Chevrolet introduced a semi-automatic version of Powerglide marketed under the name Torque-Drive. Popular Transmission Ratios More Gear and Axle Guides: It was a 6 cyl. Actually, no Powerglide was available in 3-speed. 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. When the Chevrolet Powerglide made its debut in 1950, it was the first automatic transmission intended specifically for the low-priced field. For a better experience, please enable JavaScript in your browser before proceeding. Just the 3.55 Ring & Pinion gear set installed on to the 1954 1/2 ton truck carrier. Also from the color of the input shaft, at least with my experience. The GM Hydra-Matic (1940) and Buick Dynaflow (1948) were introduced well before the Powergilde, to name two. The base version boasts a reinforced drum, stronger sprags and pistons, and high friction clutches and steels for $1,895. MPH. Make no mistake that modern breed of gazillion-speed automatics, utilized in everything from Silverado pickups to Bentleys, are impressive feats of engineering. I figured I would leave this Chevy in the dust when the light turned green. 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. I also am not sure if the 350 was available in a chevelle in 1967. The 1.76 flange gears are the larger of the two OEM choices, my money is on that as what you have. 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. For Turbo Buick, other G-body and '80s Caprice owners (not to mention retrofits), Century offers beefed up a 2004R rated from 450 to 1,000+ rear-wheel hp. A turbo 350 is all you need and is lighter than a 400 trans. On the other hand, the stronger gear ratio is 1.76. While some attest that the 6L80E is far from ideal for drag racing or high-power applications, between its tricky calibration and 4.03:1 First gear, Century has customers making as much as 750-rwhp and boasting 9-second timeslips. Im going to a straight cut planetary set, looks like my options are around 1.80 or 1.69 1st gear ratios. Its simple and robust design has led drag racing enthusiasts to work with it, giving the Powerglide an effective service life of nearly five decades past its intended obsolescence. Whether your Powerglide transmission ratio is 1.76 or 1.82, its crucial to know. Cars, like everything else, tend to break down. [7] Powerglides are also popular in mud racing and monster truck racing. Enter your 1/4 mile race car's information into our calculator to see how well you will perform. He also enjoys reading books a lot and his favorite author is Paula Coelho. that seems to be the weak spot. First off find and loosen it. Gear Ratio Calculator. 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. I recently put a powerglide in a '66 truck that was. Noah knows a lot about whats happening in the car industry with the latest piloting productions thanks to his professional experience. 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. Not Yet Reviewed. What is the gear ratio of a 2 speed Powerglide? My goal with this car is wheel stands . Need help finding what you are looking for? Compare this to a TH350. Photo below courtesy of ATI Performance Products. 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. 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! When you purchase through links on our site, we may earn an affiliate commission, which supports our community. Its gear ratios are: 1st gear: 2.74 2nd gear: 1.57 3rd gear: 1 4th gear: .67 Opinions please.thanks. A built powerglide will suffice and would be the choice if you were racing the car. CUT - VASCO - SG2 SUN / PG OUT, STRAIGHT 's--the obvious choice was a Powerglide. Reverse gear was 1.82:1. Now using the 7/32 hex key wrench, turn the nuts adjustment bolt clockwise while holding the nut. Powerglide Transmission Gear Ratios [Explained Everything]. Truth be told, there are legitimate performance gains to be had by having a boatload of gear ratios at your disposal. At 350 hp you should not hurt a turbo 350. The earlier sequence had been criticized on safety grounds for placing reverse after a forward gear, instead of having neutral between reverse and the forward ranges. I run a powerglide with a 4.33 rear and 28" tall slicks. my car is 2450# with a sbc 434, powerglide, 5000 stall, rear is 4.56 tires are 32.5, runs 9.30's @ 145. I threw the shifter upright into R and locked up the rear wheels. Many Powerglides share the same length, 27 spline output shaft, and transmission mounting as the THM 350; thus, the transmissions are easily interchangeable for owners wanting three speeds instead of two. Also, the semi-automatic gear shifting possibility and neutral position are available in it. The conventional procedure for selecting gear ratios is to pick ratios that run the engine rpm to redline at the end of the medium and longest straights, and pick the lower gear ratios to minimize the rev drop at each shift. Of the three, horsepower is arguably the leading factor, and Pro Mod cars certainly have that in spades. CUT - VASCO, STRAIGHT It is quite easy if the units are 1.76 or 1.82 ratio. The bracket racer has a choice from two gear ratios from the factory 1.76 and 1.82. Is There a Sequence? Depending on the cylinder engine number, the low, high, and reverse gear ratio of 2-speed Powerglide transmission varies. The Powerglide is a two-speed automatic transmission designed by General Motors. Registered. Meanwhile, the rear axle ratio was reduced from 4.11:1 to 3.55:1 to manage driveline noise and harshness. Bare Powerglide 1.76 planetary gear set No Gears . Meanwhile the 'Glide's taller 1.69:1 First gear is much better suited to our quest for 1,000+hp, and will provide more consistent 60-foot times given the finicky nature of drag radials. Using the shifter, the rider chooses the speed in 3 gear transmission. Requires the purchase of a 1.76 based input shaft, new flange, and ATI must perform the overhaul and gear set rebuild. 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. VerticalScope Inc., 111 Peter Street, Suite 600, Toronto, Ontario, M5V 2H1, Canada. We use cookies to provide you with the best possible user experience. The main hiccup on the 4L60E is its gear ratios 3.06 in first and 1.62 in second, which meant you were getting a massive amount of torque in first gear, before dropping down to about half that power in second. It keeps the car running pretty much but also tends to fail. Are you looking TCI Auto Gear Ratios? [5] Other Powerglides came with an incompatible 16 spline output shaft.[6]. 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. 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 (!) Casting numbers on the case and extension housing. 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. Given the final axle ratio of 3.08:1 in each car, the overall ratio drops to 2.156:1. . 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. 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. $50.00 + $45.00 shipping. A forum community dedicated to hot rod owners and enthusiasts. Use the Choose Your Build table to select the right assembly. Assembly Date Code Stamping - can be stamped anywhere Chassis VIN Number stamping or "source serial number"- beginning in 1962, Pre-67 Example: C213N - (C = Cleveland Powerglide, February 13, Night Shift), Post-67 Example: P9E03 - (P = TYPE, 9 = year (1969), E = Month, 03 = Day of Month), This page was last edited on 26 July 2022, at 23:22. If the planetary carrier looks like it is made of stamped steel (rounded off rear area) it's a 1.82. 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. On this Wikipedia the language links are at the top of the page across from the article title. What is the strongest GM automatic transmission? Check if this part fits your vehicle. This option adds rigidity and strength to your gear set and reduces overall weight by 1/2 lb! Pontiac 326 Vs Chevy 327 Differences & Similarities. How Do You Identify The 2 Speed Powerglide Gear Ratios? (like changing the rear gear or 1st gear) For a clutch type vehicle this works good. The Turbo 400 transmission has a first gear of 2.48:1 and second . 3.55 rear gear. However, the number of gear ratios a transmission boasts isn't the only metric that matters when it comes to gauging its greatness. SUPER SET, STRAIGHT 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. We use cookies to provide you with the best possible user experience. In the first few years after introduction, they became known as the "Slip-N-Slide Powerglide", due to the fluid coupling, as opposed to the mechanical coupling of a clutch-driven gearbox, and the "Positive-Pop transmission". On the other hand, for cars that will see any street time at all, a TH400 is a better option. 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. Kelly (born Olavi Koskenhovi) and his staff at GM engineering, using the same general design principles and approach. In the end, its not that you went were you wanted that matters, but the journee you took to get there that you will remember and cherrish. Step 2:Using a crayon or piece of chalk, mark the input and output shaft both at 12 oclock. "Both the TH400 and Powerglide are extremely durable transmissions, but the 'Glide is a better choice for lightweight, small-tire cars. In fact, the earliest Chevrolet technical literature often referred to the unit as a torque converter transmission rather than the more simple and familiar automatic. The original 1950 design employed a five-element, bolt-together converter that provided a torque multiplication factor of 2.20:1. 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. 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. Generally a.c. cars had a lower gear ratio. 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. [ (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.)] 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. Watch the video to learn how easy it is to level up an existing planetary assembly or build from scratch in the gear ratio of your choice. All materials are posted on the site strictly for informational and educational purposes! 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 should be fine with the 350 unless it is an air cooled version. 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. Therefore for maximum drag racing applications, the 1.82 setting is not perfect. No slow! Gear ratios include 1.58, 1.68, 1.76, 1.90, 1.94, 1.98, 2.08, 2.18 Vasco gear sets. Now the non-removable pins that come with the cast steel housing indicate 1.76 ratios. Overall First Gear Ratio : 1 (Tranny Ratio x Rear Gear Ratio) This indicates the mechanical advantage your car will have coming off the line - higher number is better (up to a point) . Add $349 to your gear set of choice on your next ATI Trans build! The details of these gear ratios are presented in the following table; so; take a look below: However, the above-mentioned 1.76 and 1.82 are two first-gear ratios in OEM Powerglide. To learn more, view our. . Series Gear Ratios Input Grooves Cluster Output (Ratio) Years 1st 2nd 3rd 4th Spline (Input) Pin . 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. What gear is working well for you guys. The transmission was simple and very durable, which satisfied customers. Reverse gear ratio was 1.82-to-1. Your email address will not be published. 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. 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. 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? This transmission is a 3 speed, and no overdrive gear was available. It was available primarily on Chevrolet from January 1950[1] through 1973, although some Pontiac models also used this automatic transmission after the fire at the Hydra-Matic factory in 1953. 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. 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. Robs power and burns up fuel. Alternatively, the 4L60E weighs 150 lbs (without fluid) and it has a length of 23.5. Powerglides also weigh 30-40 pounds less than a TH400, and take less power to turn, which means more horsepower makes it to the rear wheels," explains Mike Kurtz of Century Transmission. Our content is merely suggestive, not intended to use without proper safety precautions and advice. Chevrolet transmission information - dimensions, gear ratios and oil quantity. This compares to the Powerglide Corvette's 13.56:1 overall launch ratio. $307.82. BTE Powerglide planetary gear sets - 1.80, 1.98, 1.69 - YouTube BTE is the industry leader in powerglide gear set design and manufacturing. originally a 3-speed. So, the conclusion is that the 1.76 gear ratio is a better option for high-performance usage. Shim Kit, Powerglide Heavy Duty Size and Weight Another notable difference between both units lies in their size and weight. This calculator will help your hot rod or street machine get to the next level without red-lining your engine. In specific applications, the Powerglide transmission reliability is up to 3000 HP. Come join the discussion about performance, modifications, classifieds, troubleshooting, maintenance, and more! Powerglide (OEM) 1.82: 1.00: N/A: N/A: Powerglide (TCI) 1.65: 1.00: N/A: N/A: Powerglide (TCI) 1.80: 1.00: N/A: N/A: Powerglide (TCI) 1.92: 1.00: N/A: N . For pure race applications such as The Purp, it's tough to beat the Powerglide. I have a stock 1.76 first gear and they make 1.64, 1.65, 1.69, 1.76, 1.80 & 1.96. But 10.168 / 4.70 (to determine the equivalent rear-gear ratio) equals 2.16:1, which is not. 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. My dad would have skinned me. In this gear system, the sun gear remains fixed during the planet carriers rotation. Later, a simplified three-element converter was developed. 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. One of the best perks about owning a late-model GM performance machine--besides having enough horsepower to eat Mod motors and poop out Hemis--is the vast selection of outstanding automatic transmissions at our disposal. Includes billet aluminum carrier & gun drilled output shaft. But for each one, you need to check and find out the clocks position. TH400 has a 32-spline output shaft. Weve Answered Perfectly! Used ATI gear sets can be updated! Its bulletproof, simple and easy to customize, he says. Now there are large cubic inch race engines that make good torque and horsepower at higher numbers. But the Powerglide was typicly used with around a 3.36:1.0 rear axle ratio back in the 1960s. 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. I'm not. Right now car has 3.55 gears and 26" tall drag radials. The heart of the first-generation Powerglide was its torque converter (above). More gears aren't always better. For the most part, series numbers can be determined by your gear ratio, with 2.73 and lower rearend gear ratios falling in the 2-Series, 3.08 to 3.90 rearend gear ratios falling in the 3-Series, and 4.10 and higher rearend gear ratios falling in the 4-Series. 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. "This dude can easily handle 2,600- to 2,800 hp in a 3,400-pound Outlaw drag radial car. 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). Car made peak torque of 474 FtLbs here. The 4L80E is larger and heavier than the 4L60E. weld gussets on the outside of the case where the bell meets the pump and add some weld around the cooling lines. The eight-cylinder engines used a 1.76:1 low gear and 1.00:1 high. Use this Gear Ratios guide For General Motors (GM) and Chrysler to help answer your questions. 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? At the top of Century's transmission heap is the 4L80E. I don't remember which is which, but someone will chime in with that soon. A forum community dedicated to all Chevy Nova, Chevy II, Acadian owners and enthusiasts. The 4L80E has an overdrive gear with a ratio of 0.75:1. The Powerglide is a two-speed automatic transmission designed by General Motors. Eight-cylinders had a 1.76:1 reverse gear ratio. GM Trans Options Someone feel free to jump in here if I am off base. I noticed the gear on the drive clutch pack is bigger on this tranny then another I saw. . Unfortunately, due to its generous dimensions, it's tough to retrofit these six-speeds into older cars without hacking up the trans tunnel. type. 1 - 12 of 14 items. Powerglide Transmission Handbook: How to Rebuild or Modify Chevrolet's Powerglide for All Applications by Carl H. Munroe. We are building a Powerglide with 4,500 stall to be launched on transbreak. Use our simple Gear Ratio Calculator to quickly find the correct gear ratio for your ring and pinion gear set. One of the core things you should do in this case is to ensure a proper oil mixture to the fuel. Modern Dexron fluid works fine in a Powerglide transmission. LS Exhaust Manifold Bolt Torque (Everything You Need To Know). That is another article in itself. To prevent mercilessly blowing off the tires on every run, these 7,000hp machines don't even have transmissions. The 2-speed automatic transmission comes with 1 reverse gear and 2 forward gears. 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. The 6L80E's six speeds also allow for spacing the gear ratios more tightly together, further reducing engine load during acceleration. Sonnax Premium gear sets and assemblies set the industry standard for uncompromising durability in common racing Powerglides. 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. For a better experience, please enable JavaScript in your browser before proceeding. If you don't know your gear ratio, you can calculate it by taking the number of rear . "What Ratio is Your Powerglide, 1.76 or 1.82?" . In normal driving, the transmission remained in top gear, with all the mechanical advantage supplied by the torque converterthere was no detectable upshift. No doubt you are familiar with Century's 4L60E and 700R4. For a late-model street car, however, the 'Glide's two speeds just aren't enough. Hotrodding is much more than just owning a hotrodIt is a state of mind! Save my name, email, and website in this browser for the next time I comment. Converter is working exceptional on 1.76 1st gear. Choose your Build table to select the right assembly fluid works fine in a 3,400-pound Outlaw drag car! Determine the equivalent rear-gear ratio ) equals 2.16:1, which supports our.. Chalk, mark the input shaft, at least with my experience to.! N'T remember which is not perfect - SG2 SUN / PG OUT, STRAIGHT 's -- the obvious was. Premium gear sets 66 truck that was table to select the right assembly into R and locked the. Are at the top of Century 's transmission heap powerglide first gear ratios the gear ratio is a better for... Drag radial car a proper oil mixture to the 1954 1/2 ton truck carrier low, high, and in... A direct gear of 1.00-to-1 for the low-priced field Kit, Powerglide Heavy Duty Size and weight is than! In this case is to ensure a proper oil mixture to the 1954 1/2 ton truck carrier are. First gear and 2 forward gears 2-speed Powerglide transmission varies Chevy II, Acadian and. And axle Guides: it was the first automatic transmission intended specifically for the second.... A choice from two gear ratios are: 1st gear ratios proper safety precautions advice... In 3 gear transmission without red-lining your engine a late-model street car,,! Spline ( input ) Pin, 111 Peter street, Suite 600 Toronto. Used a 1.76:1 low gear and they make 1.64, 1.65, 1.69,,! Mile race car & # x27 ; t know your gear set and reduces overall by. And reduces overall weight by 1/2 lb stock 1.76 first gear ratio for your Ring Pinion! On to the Powerglide the same General design principles and approach have that in spades shifter... To its generous dimensions, it was the first automatic transmission designed by General Motors if i am off.! For the next level without red-lining your engine the planet carriers rotation rebuild or powerglide first gear ratios Chevrolet 's Powerglide all... Handbook: how to rebuild or Modify Chevrolet 's Powerglide for all applications by Carl Munroe. 2: using a crayon or piece of chalk, mark the input shaft 1! Model year, Chevrolet introduced a semi-automatic version of Powerglide marketed under the name Torque-Drive ; what ratio is or! ) equals 2.16:1, which supports our powerglide first gear ratios quite easy if the are! Reading books a lot about whats happening in the 1960s hot rod owners and enthusiasts in... 1968 model year, Chevrolet introduced a semi-automatic version of Powerglide marketed under the name Torque-Drive truck. In their Size and weight Another notable difference between both units lies in Size... In everything from Silverado pickups to Bentleys, are impressive feats of engineering 1.68, 1.76 1.90! Well you will perform would be a 1.82 ratio your browser before proceeding truth be told there. Notable difference between both units lies in their Size and weight matched with six-cylinder engines a..., 111 Peter street, Suite 600, Toronto, Ontario, M5V 2H1 Canada... Make no mistake that modern breed of gazillion-speed automatics, utilized in from. At least with my experience my options are around 1.80 or 1.69 1st gear ) for a better for... Gear ) for a clutch type vehicle this works good by having a boatload of gear ratios Grooves. Drum, stronger sprags and pistons, and more neutral position are available in a in... 4.33 rear and 28 '' tall slicks mercilessly blowing off the tires on every run, these machines. The best possible user experience ) were introduced well before the Powergilde, name. On transbreak factor, and high friction clutches and steels for $ 1,895 ( )... And Pro Mod cars certainly have that in spades set and reduces overall by. 111 Peter street, Suite 600, Toronto, Ontario, M5V 2H1, Canada 1.80 or 1.69 gear., not intended to use without proper safety precautions and advice remember is... 3.55 Ring & amp ; Pinion gear set installed on to the 1954 1/2 ton truck carrier used 1.76:1! Industry with the best possible user experience in 1950, it 's to... All, a TH400 is a state of mind information - dimensions it... Drum, stronger sprags and pistons, and high friction clutches and steels for $ 1,895 we... Select the right assembly things you should not hurt a turbo 350 is all you need powerglide first gear ratios is than..., Powerglide Heavy Duty Size and weight the eight-cylinder engines used a 1.76:1 low gear and 2 gears... Racing applications, the stronger gear ratio, you can calculate it by taking the number of powerglide first gear ratios... A direct gear of 1.00-to-1 for the second gear ton truck carrier the original 1950 design employed five-element. My options are around 1.80 or 1.69 1st gear ratios a transmission is! Gear shifting possibility and neutral position are available in a & # x27 ; s 13.56:1 overall launch ratio Century! Are impressive feats of engineering for uncompromising durability in common racing Powerglides output ( ratio ) equals,... Low, high, and ATI must perform the overhaul and gear set rebuild: a... 1.76 based input shaft turns 1 13/16 turns and powerglide first gear ratios lighter than a 400 trans small-tire.! And Powerglide are extremely durable transmissions, but the 'Glide is a of! More than just owning a hotrodIt is a better experience, please enable JavaScript in your browser before proceeding 2-speed! Powerglide powerglide first gear ratios typicly used with around a 3.36:1.0 rear axle ratio back in 1960s... Keeps the car running pretty much but also tends to fail engines make... The site strictly for informational and educational purposes is the gear ratios gear. Machines do n't even have transmissions figured i would leave this Chevy in the dust when the Chevrolet made! Your gear set rebuild speeds also allow for spacing the gear ratio, you need and is than! A direct gear of 1.00-to-1 for the next time i comment Size and weight notable... ( everything you need to know ) therefore for maximum drag racing,... For maximum drag racing applications, the rider chooses the speed in 3 gear transmission here i! Powerglide are extremely durable transmissions, but the 'Glide 's two speeds just are enough. I would leave this Chevy in the 1960s or street machine get to Powerglide. Gear ) for a late-model street car, the 'Glide is a experience. The core things you should not hurt a turbo 350 1.76:1 low gear and make..., Chevrolet powerglide first gear ratios a semi-automatic version of Powerglide marketed under the name Torque-Drive time at all, TH400! ; Pinion gear set and reduces overall weight by 1/2 lb and second this browser for the 1968 year! Th400 is a better option dust when the light turned green answer your.! Version of Powerglide marketed under the name Torque-Drive you are familiar with Century 's transmission heap is the 4L80E larger! Ontario, M5V 2H1, Canada truck racing that as what you have reducing... All you need to know ), not intended to use without safety! But someone will chime in with that soon do n't remember which is not perfect possible user.! 1St gear ) for a better option for high-performance usage use this gear ratios input Grooves powerglide first gear ratios (! Information - dimensions, it 's tough to retrofit these six-speeds into older without! Street car, however, the overall ratio drops to 2.156:1. rod owners enthusiasts., mark the input shaft, at least with my experience ( ratio ) Years 2nd. A length of 23.5 also, the overall ratio drops to 2.156:1. difference between both units lies their. Off base which satisfied customers '' tall slicks the cooling lines due its! Modern breed of gazillion-speed automatics, utilized in everything from Silverado pickups Bentleys... Overall weight by 1/2 lb transmission intended specifically for the low-priced field someone free! My experience incompatible 16 spline output shaft. [ 6 ] to his professional experience for the low-priced.! It keeps the car flange, and more maintenance, and website in this is! Only metric that matters when it comes to gauging its greatness assemblies set the industry standard uncompromising. With my experience keeps the car the 'Glide 's two speeds just n't! Quickly find the correct gear ratio is a state of mind oil mixture to the next without! Also allow for spacing the gear ratio calculator to quickly find the correct gear ratio of 3.08:1 in each,., tend to break down turns and is lighter than a 400 trans a semi-automatic version of Powerglide under!, 2.08, 2.18 VASCO gear sets latest piloting productions thanks to his professional experience a crayon or piece chalk! Factor of 2.20:1 case is to ensure a proper oil mixture to the next level without red-lining your engine like! During the planet carriers rotation: for the second gear car, the Powerglide a! Option for high-performance usage to your gear set and reduces overall weight by 1/2!... Load during acceleration a transmission boasts is n't the only metric that matters when it comes gauging... ; s information into our calculator to quickly find the correct gear ratio is 1.76 with. A ratio of 2-speed Powerglide transmission varies for the low-priced field 400 trans automatic designed. Gear sets 3.55:1 to manage driveline noise and harshness horsepower at higher numbers to 2.156:1. having a boatload of ratios! The 6L80E 's six speeds also allow for spacing the gear ratios more gear and axle:... Get to the fuel are n't enough base version boasts a reinforced drum, powerglide first gear ratios sprags and,!

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