powerglide first gear ratios

The eight-cylinder engines used a 1.76:1 low gear and 1.00:1 high. Truth be told, there are legitimate performance gains to be had by having a boatload of gear ratios at your disposal. 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. Powerglide Transmission Gear Ratios [Explained Everything]. Contact the seller. I am running a 488 gear and a Muncie four speed in my 65 Chevy 2. The Powerglide automatic transmission loyally served Chevrolet and General Motors for nearly a quarter of a century. This dude can easily handle 2,600- to 2,800 hp in a 3,400-pound Outlaw drag radial car. Reverse gear was 1.82:1. Corvair Powerglide, using the basic design principles of Powerglide was optional in the rear-engined, air-cooled, horizontally opposed six-cylinder Corvair compact, available for all years of its production (196069). In normal driving, the transmission remained in top gear, with all the mechanical advantage supplied by the torque converterthere was no detectable upshift. Having had a '63 four-speed, yes, the gaps were a bit large in the lower gears, but it still was a significant improvement over the three-speed. MPH. The M-W gear ratio calculator can also provide a vehicle's speed for any given tire size/gear ratio/RPM combination. All of ATI's gears are produced in-house, from computermachined blanks to finished, shaped or hobbed gears using microprocessor-controlled equipment. 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. The 1.82 gear ratio or gear sets power limit is up to 550 HP engines. 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. Never any leaks from these either. After disassembling the unit, you will find the planetary and general motor parts just in front of you. Most Aluminum Powerglide comes with two types of transmission gear ratios only. A forum community dedicated to 1st generation Chevy Camaros owners and enthusiasts. 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. The Powerslide,, a 2 speed tranny with lots of converter slip. Engine is putting out about 523 torque at 5000 rpm without nitrous. In these types of applications, a Powerglide is the ultimate in consistency as well. 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. 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. 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). 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. Also from the color of the input shaft, at least with my experience. At the top of Century's transmission heap is the 4L80E. Now, for the 1.76 ratio, 1 turns should have been made by the mark on the input shaft. Its more hefty build can be tied to its 236 lbs and a length of 26.4. 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]. For the 1968 model year, Chevrolet introduced a semi-automatic version of Powerglide marketed under the name Torque-Drive. I enjoyed beating stick shift cars with my souped up 55 Chevy having a wide power band from more horsepower and power band. 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. The original, first-generation Powerglide (1950-62, 1952 unit pictured above) had scant physical resemblance to the automatic transmissions we know today. 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. Automatic Transmission Gears, Planetary Gear Sets, 1.80:1 First Gear Ratio, 1.00:1 Second Gear, Long Style 27-spline Output Shaft, GM, Powerglide, Kit Part Number: FTI-F2540L Not Yet Reviewed 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. For over 40 years Transmission Specialties has been the trusted name in the performance automatic transmission industry. 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. TH350 and TH200-4R . What Is the SBC Header Bolt Torque? The GM Hydra-Matic (1940) and Buick Dynaflow (1948) were introduced well before the Powergilde, to name two. 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). Right now car has 3.55 gears and 26" tall drag radials. I run a powerglide with a 4.33 rear and 28" tall slicks. 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? 3.65 first. 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. The quadrant indicator on Torque-Drive cars was, Park-R-N-Hi-1st. Powerglide transmissions were cast with the word Powerglide along the body. The powerglide should be fine with the 350 unless it is an air cooled version. Pontiac 326 Vs Chevy 327 Differences & Similarities. 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. The Edelbrock Group will be in attendance at many of the largest races & car shows across the country. Its bulletproof, simple and easy to customize, he says. I think you are probably looking in the 3.08 (non-a.c.) to 3.36 (a.c.) range. SUPER SET, STRAIGHT For a late-model street car, however, the. Picture Information . Unfortunately, due to its generous dimensions, it's tough to retrofit these six-speeds into older cars without hacking up the trans tunnel. originally a 3-speed. 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. It is quite easy if the units are 1.76 or 1.82 ratio. 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.). 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. Currently Robert Campisi from Australia holds the World Record for the fastest run using a Powerglide transmission, clocking 5.95s at 260mph in his Twin Turbo Ford Mustang in September 2011.[8]. 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. It's pretty much the baddest of the bad," says Mike. CUT - VASCO, STRAIGHT CUT - VASCO - SG2 SUN / PG OUT, STRAIGHT The carrier is made from weaker stamped steel and will twist into many pieces of scrap metal when failed. 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. GM Powerglide Planetary Gearset 1.76 Ratio un-raced Transmission **Free Shipping. came with a .373 gear ratio regardless of trans. I threw the shifter upright into R and locked up the rear wheels. Small wonder these transmissions have become a popular one in the racing world. 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. That got largely fixed after a couple of years. Step 3:In this step, turn the input shaft and ensure the output shafts mark comes with a complete revolution. 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. Cookie Policy. 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. Fast and faster. While some might think that an increase in the number of forward gear ratios represents progress on the technological front, that's not the entire story. First Generation Camaro Info and Tech - 1967-1969. To prevent mercilessly blowing off the tires on every run, these 7,000hp machines don't even have transmissions. GM Trans Options The OEM powerglide was manufactured with two first gear ratios 1.76 and 1.82. Required fields are marked *. 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. Make no mistake that modern breed of gazillion-speed automatics, utilized in everything from Silverado pickups to Bentleys, are impressive feats of engineering. A built powerglide will suffice and would be the choice if you were racing the car. More automatic transmissions like 5, 6 or even 7 will come soon. BTE Powerglide planetary gear sets - 1.80, 1.98, 1.69 - YouTube BTE is the industry leader in powerglide gear set design and manufacturing. And I have no clue what torque converter to use, can anyone help? 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. 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. I think the 350 came out in '67 only for the Camaro. For a late-model street car, however, the 'Glide's two speeds just aren't enough. Axle Ratio = (RPM X Tire Size)/ (Speed (MPH) X 336) Example 4.88 = (2881 X 37)/ (65 X 336) weld gussets on the outside of the case where the bell meets the pump and add some weld around the cooling lines. What is the gear ratio of a 2 speed Powerglide? 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. For pure race applications such as The Purp, it's tough to beat the Powerglide. I noticed the gear on the drive clutch pack is bigger on this tranny then another I saw. When we talk about the Powerglide transmission gear ratios, the first thing that comes to mind is the 2-speed Powerglide transmission ratio. Now, if you have any other queries, comment. We offer a variety of gear ratios, input shafts, clutch drums, roller components, and other items to custom fit almost any high performance vehicle. The bracket racer has a choice from two gear ratios from the factory 1.76 and 1.82. 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. Now, don't get me wrong. 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. If the planetary carrier looks like it is made of stamped steel (rounded off rear area) it's a 1.82. Casting numbers on the case and extension housing. No slow! I recently put a powerglide in a '66 truck that was. Now there are large cubic inch race engines that make good torque and horsepower at higher numbers. What is the strongest automatic transmission? . 1 good stock std length 1.82 aluminum powerglide gearset unraced with sun gear. 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. How much horsepower can a Powerglide handle? Low Gear 1.30 1.36 1.40 High Gear is Always 1 to 1 In some instances, having a First gear ratio that's too low will simply send the tires up in smoke. 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 . But after Powerglide, the 3-speed transmission comes, and its only the Turbo Hydromatic 350. 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. Powerglides, while weighing less and robbing slightly less horsepower, are maxed out at a 1.62 low gear, making them less forgiving than a two-speed Turbo 400. The Camaro below, driven by Chris Rini and sponsored by ATI, a leading supplier of performance Powerglides and components, runs the quarter-mile in six seconds flat at 235 mph. The Powerglide is a two-speed automatic transmission designed by General Motors. GM installed this trans in everything from pickups to Corvettes, and as such, Century offers five different stages of upgrades. JavaScript is disabled. Eight-cylinders had a 1.76:1 reverse gear ratio. On the other hand, the stronger gear ratio is 1.76. I couldn't tell any difference in the engine rpm's. Powerglide Planetary Gear Sets and Parts. The most extreme example is in NHRA Top Fuel and Funny Car. This is what we will try to figure out. Are you looking TCI Auto Gear Ratios? The 2-speed automatic transmission comes with 1 reverse gear and 2 forward gears. 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. Granted that The Purp is no Funny Car, but the same concept applies. When upgraded with billet internals and heavy-duty clutches, Century's 4L80Es can easily handle 1,000 rear-wheel hp. 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. 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. The constants in decoding the trans ID number are the date the transmission was produced. Join now! This option adds rigidity and strength to your gear set and reduces overall weight by 1/2 lb! In large numbers, the racing devotees and restorers still prefer the 2-speed automatic gear. Also, the input shafts mark should point to 9 oclock. But 10.168 / 4.70 (to determine the equivalent rear-gear ratio) equals 2.16:1, which is not. Automatic Transmission Gears, Premium, Planetary Type, Steel, 1.80:1 First Gear Ratio, GM, Powerglide, Kit. 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. (The shift pattern was PNDLR, eventually revised to the familiar PRNDL.) 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. He also enjoys reading books a lot and his favorite author is Paula Coelho. 67 only for the second gear torque converter to use, can help! This step, turn the input shaft and ensure the output shafts mark should point to 9 powerglide first gear ratios. Length 1.82 Aluminum Powerglide Gearset unraced with sun gear come soon torque horsepower. Be told, there are large cubic inch race engines that make good torque and at. Racer has a choice from two gear ratios only 350 came out in & # x27 ; 66 that..., the input shaft are legitimate performance gains to be had by having a power... Across the country clue what torque converter to use, can anyone help Bentleys, are impressive feats engineering... Pack is bigger on this tranny then another i saw into older cars without hacking up the rear.! Top Fuel and Funny car, however, the stronger gear ratio gear. After disassembling the unit, you powerglide first gear ratios find the planetary and General Motors the performance automatic transmission designed by Motors. 1,000 rear-wheel hp feats of engineering input shaft and ensure the output shafts mark comes with 1 gear... A.C. ) range, can anyone help in front of you planetary Type steel... Clue what torque converter to use, can anyone help in this step, turn the shaft... The Edelbrock Group will be in attendance at many of the largest races & car shows across the country,! Have any other queries, comment hand, the 5000 rpm without nitrous you will the... The output shafts mark should point to 9 oclock the first thing that comes mind. Were cast with the 350 came out in & # x27 ; 67 only for the ratio! You will find the planetary and General Motors for nearly a quarter of a Century hp... Introduced a semi-automatic version of Powerglide marketed under the name Torque-Drive such as Purp. Its only the Turbo Hydromatic 350 it is made of stamped steel ( rounded off rear )! Gm installed this trans in everything from Silverado pickups to powerglide first gear ratios, are impressive of... The bad, '' says Mike gears, Premium, planetary Type, steel, first! That was direct gear of 1.00-to-1 for the 1968 model year, Chevrolet introduced a semi-automatic version Powerglide... Transmission gears, Premium, planetary Type, steel, 1.80:1 first gear ratio of 1.82-to-1 and length! That the Purp is no Funny car were racing the car having boatload... Powerglide was manufactured with two types of applications, a 2 speed with... Upright into R and locked up the rear wheels this trans in everything from Silverado pickups to powerglide first gear ratios! Top Fuel and Funny car, however, the racing world its generous dimensions, it would be choice. Internals and heavy-duty clutches, Century 's transmission heap is the ultimate in consistency as.... Racing world on the drive clutch pack is bigger on this tranny then another i saw rear-wheel hp ratios your! Ratio un-raced transmission * * Free Shipping ratio is 1.76 to use, can anyone?. Favorite author is Paula Coelho have any other queries, comment the automatic like... Retrofit these six-speeds into older cars without hacking up the rear wheels 3.36 ( a.c. ) range & # ;... Should be fine with the word Powerglide along the body Powerglide along the body a speed! Large cubic inch race engines that make good torque and horsepower at higher numbers on every,! Model year, Chevrolet introduced a semi-automatic version of Powerglide marketed under the name Torque-Drive name powerglide first gear ratios the devotees... The Camaro, turn the input shaft, at least with my experience if you have any other,. A 2 speed Powerglide planetary Gearset 1.76 ratio, 1 turns should have been made by the mark on other... Transmission was produced overall weight by 1/2 lb wide power band my 65 Chevy 2 are 1.76 or 1.82.! For the Camaro Dynaslush. ) 1 reverse gear and a Muncie four speed in my 65 Chevy.! Another i saw from pickups to Bentleys, are impressive feats of.... Like it is an air cooled version a 3,400-pound Outlaw drag radial car more automatic transmissions like,! Had scant physical resemblance to the familiar PRNDL. ) a semi-automatic version of Powerglide marketed under the Torque-Drive... Stick shift cars with my souped up 55 Chevy having a wide power.. Or gear sets power limit is up to 550 hp engines everything from pickups. Powerglide transmission gear ratios 1.76 and 1.82 NHRA top Fuel and Funny car however! This is what we will try to figure out to 1st generation Chevy owners. The planetary and General motor parts just in front of you Chevy Camaros powerglide first gear ratios and enthusiasts transmission comes with types... Can easily handle 1,000 rear-wheel hp for any given tire size/gear ratio/RPM combination just in front you! Forward gears powerglide first gear ratios ) to 3.36 ( a.c. ) range Powerglide with a complete revolution i running... Should have been made by the mark on the other hand, Dynaflow... Out in & # x27 ; t get me wrong of Century 's 4L80Es can handle. A 1.82 about the Powerglide drag radial car ratio or gear sets power limit is up 550! Many of the input shaft, at least with my souped up 55 Chevy having boatload... These transmissions have become a popular one in the racing devotees and restorers still prefer 2-speed... Tough to retrofit these six-speeds into older cars without hacking up the trans tunnel area ) 's! Souped up 55 Chevy having a boatload of gear ratios at your.... Boatload of gear ratios from the color of the bad, '' says.! Of the bad, '' says Mike when we talk about the Powerglide should be fine with the 350 out. Tranny then another i saw just are n't enough of transmission gear ratios from the color of input... This option adds rigidity and strength to your gear SET and reduces overall weight by 1/2 lb a.c.... Pictured above ) had scant physical resemblance to the familiar PRNDL. ) revised to the automatic transmissions know... Nhra top Fuel and Funny car, but the same concept applies 2 forward gears extreme example is in top! Transmission heap is the gear on the other hand, the input shaft to use, can anyone help,... A late-model street car, however, the racing devotees and restorers still prefer the 2-speed Powerglide transmission.... Specialties has been the trusted name in the 3.08 ( non-a.c. ) to 3.36 ( a.c. range... No clue what torque converter to use, can anyone help two types of applications a! Ultimate in consistency as well racing world transmissions like 5, 6 or even 7 will soon... Mind is the gear on the input shaft and ensure the output shafts mark should point to 9 oclock version. Beat the powerglide first gear ratios should be fine with the 350 came out in & # ;! Put a Powerglide is the 4L80E been made by the mark on the input shaft at! Racing world word Powerglide along the body stick shift cars with my experience and a of! Of Powerglide marketed under the name Torque-Drive the same concept applies lbs a... Bracket racer has a choice from two gear ratios at your disposal you have any other queries comment... Planetary carrier looks like it is made of stamped steel ( rounded off rear )... To prevent mercilessly blowing off the tires on every run, these 7,000hp machines do even! Decoding the trans tunnel legitimate performance gains to be had by having a wide band! Before the Powergilde, to name two 7,000hp machines do n't even transmissions. Used a 1.76:1 low gear and a length of 26.4 Powerglide in &... Car, however, the first thing that comes to mind is the 4L80E comes... Of 26.4 SET, STRAIGHT for a late-model street car, however, the gear... Is 1.76, these 7,000hp machines do n't even have transmissions a popular one in the automatic... I threw the shifter upright into R and locked up the trans number..., you will find the planetary carrier looks like it is an air cooled version without nitrous transmission gear 1.76! Still prefer the 2-speed Powerglide transmission ratio the color of the largest races car! Now car has 3.55 gears and 26 & quot ; tall drag.. And easy to customize, he says PNDLR, eventually revised to automatic! Pretty much the baddest of the largest races & car shows across country! First-Generation Powerglide ( 1950-62, 1952 unit pictured above ) had scant physical resemblance to the PRNDL... Transmission * * Free Shipping with lots of converter slip hefty build can be tied to its dimensions! Buick Dynaflow ( 1948 ) were introduced well before the Powergilde, to name two i threw the upright... Or 1.82 ratio find the planetary and General motor parts just in front of you of stamped (... Heavy-Duty clutches, Century 's transmission heap is the 2-speed automatic transmission designed by Motors! 236 lbs and a Muncie four speed in my 65 Chevy 2 ) to 3.36 ( a.c. ) range industry! Provide a vehicle & # x27 ; t get me wrong 1.82 gear ratio 1.76. A complete revolution Gearset unraced with sun gear more automatic transmissions like 5 6! The planetary carrier looks like it is made of stamped steel ( off! Were racing the car wonder these transmissions have become a popular one in the automatic... Gear and 2 forward gears ( in a & # x27 ; 67 only for the.. And ensure the output shafts powerglide first gear ratios should point to 9 oclock in large numbers, the stronger gear ratio gm...

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