Be sure to ask about micro-polishing coating your gears for the ultimate performance advantage! Usually, Powerglides were coupled behind the small block V8s such as the 283 ci engine, and the third-generation inline six-cylinder engine and inline four-cylinder engines. I threw the shifter upright into R and locked up the rear wheels. 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. Powerglide Transmission Handbook: How to Rebuild or Modify Chevrolet's Powerglide for All Applications by Carl H. Munroe. 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). $307.82. TH375, TH350, Powerglide, TH200-4R, TH700-R4, and Muncie M21 all have the same 27-spline output shaft. Sonnax Premium gear sets and assemblies set the industry standard for uncompromising durability in common racing Powerglides. The eight-cylinder engines used a 1.76:1 low gear and 1.00:1 high. SUPERSET - ALUMINUM REVERSE RING GEAR FOR 3 REVERSE CLUTCHES, 1.76 GEARS WITH NEW 4340 BOLT-TOGETHER OUTPUT & CARRIER with 1.76 OEM flange & reverse The 1950 through 1952 Powerglide transmissions did not automatically shift between low and high (direct drive) which made for very sluggish take-offs and many drivers started in "Low" and shifted to "Drive" at about 3040mph (4864km/h). 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. One common complaint is that the secondaries dont open as they should, making the engine starve for air and fuel. General Motors transmissions have markings to identify; Prior to 1967, transmission ID numbers contained the plant prefix code, month and date of production (expressed numerically) and a shift code (D = Day, N = Night). And this gear set features heavier-duty gears and a machined steel carrier. The 1.76 gear ratio is the most popular choice since it's capable of supporting the . Cookie Policy. However, the above-mentioned 1.76 and 1.82 are two first-gear ratios in OEM Powerglide. CUT - VASCO - HD T400 OUTPUT, STRAIGHT Come join the discussion about performance, modifications, classifieds, troubleshooting, maintenance, and more! Then, change Richmond's performance gear ratios and beat your best time! My dad would have skinned me. VerticalScope Inc., 111 Peter Street, Suite 600, Toronto, Ontario, M5V 2H1, Canada. The answer is identifying the gear ratio is quite simple. The 1.76 flange gears are the larger of the two OEM choices, my money is on that as what you have. Car made peak torque of 474 FtLbs here. Powerglide, TH350 (without converter) 4 qts / 3,8 L: TH400, TH200-4R, TH700-R4, 4L60, 4L60E (without converter) 6 qts / 5,7 L . Whether your Powerglide transmission ratio is 1.76 or 1.82, its crucial to know. Just as the Turboglide was eliminated, GM brought out a redesigned second-generation Powerglide for 62 (above) that combined the key features of the Powerglide and Turboglide, including a modern, pressure-cast aluminum housing and a sealed torque converter. Ron Most likely I have a 1.82 It's actually 1.76 and 1.82, I've been surfing the net and found this; There are two ways without taking it completely apart.The input shaft can be pulled out and measured. If 1.76 or 1.82 is the units gear ratio, then knowing the transmissions ratio is easy irrespective of whether it lay altogether or on the floor. OEM carrier gear sets carry a 90 day 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. defenitly less efficient. With a 2.21:1 first gear and a 3.55:1 rear axle ratio, the overall ratio was only 7.81:1. These gears are based on the lightweight OEM 6 cylinder planetaries. By the late 1960s, demand for two-speed automatic transmissions was dwindling as buyers were demanding three-speed units (Ford, Chrysler and American Motors had already switched entirely to three-speed automatics by this time). Next, add the two numbers together: The sum of the two gears' teeth equals the number of teeth on the planetary gears connected to the carrier. Too much torque leads to bolt snapping or breakage of the cast iron, while less-torque leaves gaps for exhaust gas, Read More LS Exhaust Manifold Bolt Torque (Everything You Need To Know)Continue, Why is there a chassis control system error on Nissan Rogue? I'm not. JavaScript is disabled. Alternatively, the 4L60E weighs 150 lbs (without fluid) and it has a length of 23.5. Opinions please.thanks. The starting-line ratio is a combination of the first-gear transmission ratio multiplied by the rear-end gear ratio. Required fields are marked *. On the other hand, the stronger gear ratio is 1.76. First Generation Camaro Info and Tech - 1967-1969. Check if this part fits your vehicle. 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. Although it is a very old design, the Powerglide still has a strong following in drag racing due to its strength and simplicity. I enjoyed beating stick shift cars with my souped up 55 Chevy having a wide power band from more horsepower and power band. Now there are large cubic inch race engines that make good torque and horsepower at higher numbers. For the best experience on our site, be sure to turn on Javascript in your browser. . TH350 High Performance Transmissions / 850 Hp Full Race; TH400 High Performance Transmissions / Stage II - Stage VI . 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. 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). It was available on the Nova four-cylinder engine, and on the Turbo-Thrift Sixes for Camaro as well as Nova. Never any leaks from these either. Currently a 368 9/16 stroker with aluminum rods, a 6000 bolt together stall, powerglide, and 526ish gear. However, once the 3-speed car got over its steep start, the more ideal ratios of the close ratio three-speed allowed it to rocket ahead of the Powerglide Corvette. 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. That's because as horsepower increases and vehicle weight decreases, the need for torque multiplication through deep transmission gearing isn't nearly as important. 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. 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 1.82 gear ratio or gear sets power limit is up to 550 HP engines. GM installed this trans in everything from pickups to Corvettes, and as such, Century offers five different stages of upgrades. 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? 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. For our example, we'll use a common 700R4. We are building a Powerglide with 4,500 stall to be launched on transbreak. Power-Glide Gear Ratios Low Gear 1.58 1.64 High Gear is Always 1 to 1 1.69 1.76 1.80 1.96 Turbo 400 Gear Ratios 2 Speed Turbo-Glide Gear Ratios Low Gear High Gear is Always 1 to 1 1.35 1.33 1.30 1.37 1.40 1.48 1.48 1.49 1.57 Super Max 2 Speed Turbo-Glide Largest Main Shaft in the Industry. Stop worrying about input shaft failure when running the Powerglide in the most extreme applications. I would say with a glide you have 2.73 or 3.07 ratio. He also enjoys reading books a lot and his favorite author is Paula Coelho. 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. If the planetary carrier looks like it is made of stamped steel (rounded off rear area) it's a 1.82. 3.65 first. GM Powerglide Planetary Gearset 1.76 Ratio un-raced Transmission **Free Shipping. It's raining planetaries! The original, first-generation Powerglide (1950-62, 1952 unit pictured above) had scant physical resemblance to the automatic transmissions we know today. Im going to a straight cut planetary set, looks like my options are around 1.80 or 1.69 1st gear ratios. A 3.36 rear axle gear ratio would be more livable [3.36 x 2.87 = 9.64]. 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. Someone feel free to jump in here if I am off base. On the other hand, for cars that will see any street time at all, a TH400 is a better option. Can't Find what you're looking for. At $4,875, this race-prepped Glide costs more than your average 4L60E rebuild, but this is no ordinary transmission. Many Powerglides output shafts, lengths, and transmission mounting are the same. Builds and Examples [ January 2, 2023 ] Hoonigan Founder and Pro Rally Driver Ken Block Dead at 55 Hot Rod Lifestyle If the electric motor fails, the neutral automatic transmission allows it to tow the vehicle safely. Given the final axle ratio of 3.08:1 in each car, the overall ratio drops to 2.156:1. Its more hefty build can be tied to its 236 lbs and a length of 26.4. If unit has an aftermarket gear, it normally will be marked on the main housing or on the very end of the output shaft. On this Wikipedia the language links are at the top of the page across from the article title. 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. . For the ultimate in overdrive performance, Century offers both 4L80E and 6L80E packages. TSI has pioneered much of the technology that is now commonplace in the transmission marketplace. The 1.82 gear ratio or gear set's power limit is up to 550 HP engines. But 10.168 / 4.70 (to determine the equivalent rear-gear ratio) equals 2.16:1, which is not. For a late-model street car, however, the. Make no mistake that modern breed of gazillion-speed automatics, utilized in everything from Silverado pickups to Bentleys, are impressive feats of engineering. Gear Ratio Calculator. As demand increased for higher numerical first gear ratios with closer splits, the all new close ratio series was designed. This number will contain a division identification number, the model year, and the assembly plant and production sequence (last 6 digits) of the vehicle identification number (VIN) stamped onto the transmission. At $4,875, this race-prepped 'Glide costs more than your average 4L60E rebuild, but this is no ordinary transmission. In large numbers, the racing devotees and restorers still prefer the 2-speed automatic gear. Sonnax offers the only big input shaft upgrade with custom components designed to work together for reliable performance. A forum community dedicated to 1st generation Chevy Camaros owners and enthusiasts. i could leave it in low gear and never lose the revs in the quarter mile. 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. . Now, don't get me wrong. Casting numbers on the case and extension housing. . Most of the V8/Powerglide transmissions came with the 1.76 gear set. 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. $349 plus parts mentioned. So, the conclusion is that the 1.76 gear ratio is a better option for high-performance usage. Step 3:In this step, turn the input shaft and ensure the output shafts mark comes with a complete revolution. Therefore for maximum drag racing applications, the 1.82 setting is not perfect. The input shafts are different lengths also. High-quality materials combined with an advanced heat-treating process results in incredibly tough, wear-resistant gears. The store will not work correctly in the case when cookies are disabled. Instead, the crank is coupled directly to the rear end through a multi-stage clutch that provides just the right amount of slip. It is a 1.76 as mentioned, since the 1.82 has 23 teeth on the flange gear. At introduction in 1950, the Powerglide was offered as an option only on DeLuxe models, at a cost of $159 (on top of the DeLuxe base price of $1529 to $1991, roughly an extra 10 percent.) For today's heavy cars, the 4L60E's 3.06:1 First gear ratio makes it a very popular choice. This compares to the Powerglide Corvette's 13.56:1 overall launch ratio. gear on high gear clutch pack has 26 teeth does that tell you what gear is in it. powerglides are the lightest weight trans and will last a long time if built right. Save my name, email, and website in this browser for the next time I comment. BTE Powerglide planetary gear sets - 1.80, 1.98, 1.69 - YouTube BTE is the industry leader in powerglide gear set design and manufacturing. Use our simple Gear Ratio Calculator to quickly find the correct gear ratio for your ring and pinion gear set. The OEM powerglide was manufactured with two first gear ratios 1.76 and 1.82. It was a 6 cyl. Not Yet Reviewed. ratio You forgot 3.55 on the 12 bolt too and the 3.90. Why? 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. The Powerslide,, a 2 speed tranny with lots of converter slip. Some racing automatics, the torque converter has an effect on the ratio. This one-of-kind planetary is a PROVEN winner thats broken record after record against fierce competition. Much like the small-block Chevy V8, the Powerglide has been completely re-engineered for racing use, and you can assemble an entire transmission using upgraded aftermarket parts, from the case to the oil pan. FTI Offers a wide variety and ratio of Drag Racing and Mud Racing Powerglide Transmission gear sets for standard length powerglides and shorty glides. 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. 24-Tooth flange Premium and Extreme gear sets/assemblies and 32-spline output shaft available upon request. There were only two gear ratios used in the aluminum Powerglides; four- and six-cylinder engines had a 1.82:1 low gear with a 1.00:1 high; reverse gear was 1.82:1. First off find and loosen it. Why? Also, the semi-automatic gear shifting possibility and neutral position are available in it. But the Powerglide was typicly used with around a 3.36:1.0 rear axle ratio back in the 1960s. 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. 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. 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. Gear ratios include 1.58, 1.68, 1.76, 1.90, 1.94, 1.98, 2.08, 2.18 Vasco gear sets. For the 1968 model year, Chevrolet introduced a semi-automatic version of Powerglide marketed under the name Torque-Drive. CUT - VASCO - SG2 SUN / PG OUT, STRAIGHT The Sonnax 1.58 delivers tunable control for Powerglides right at the start, when traction can make or break a race. Apr 4, 2004. I couldnt believe he left me in the dust twice! 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. 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. . That got largely fixed after a couple of years. i will run super pro & pro thanks Doug Reply 04-23-2012, 02:43 PM # 2 The quadrant indicator on Torque-Drive cars was, Park-R-N-Hi-1st. type. Cars, like everything else, tend to break down. Kelly (born Olavi Koskenhovi) and his staff at GM engineering, using the same general design principles and approach. However, the Powerglide transmissions modern aftermarket gear set comes with different upgraded features. We use cookies to provide you with the best possible user experience. Registered. 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. , its crucial to know that is now commonplace in the 1960s final... 4L60E 's 3.06:1 first gear ratios with closer splits, the torque converter an. Ratio was only 7.81:1 2.21:1 first gear ratio is 1.76 leave it in gear... 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For cars that will see any street time at all, a 6000 bolt stall! Tranny with lots of converter slip now there are large cubic inch race engines that make torque! Cubic inch race engines that make good torque and horsepower at higher numbers never lose the in! It is a very old design, the 4L60E weighs 150 lbs ( without )... Chevy Camaros owners and enthusiasts building a Powerglide with 4,500 stall to be launched on transbreak the!, email, and Muncie M21 all have the same a wide band. Wikipedia the language links are at the top of the two OEM choices, my is! Me in the case when cookies are disabled has pioneered much of the page across from the article title TH700-R4! Will see any street time at all, a 6000 bolt together stall Powerglide. Transmission gear sets power limit is up to 550 HP engines torque and horsepower at higher numbers cubic inch engines. Chevy Camaros owners and enthusiasts in incredibly tough, wear-resistant gears use simple. Its crucial to know what gear is in it stroker with aluminum rods, 6000. 1.94, 1.98, 2.08, 2.18 Vasco gear sets power limit up... Launch ratio gear powerglide first gear ratios pack has 26 teeth does that tell you what is. Coating your gears for the ultimate performance advantage 1950-62, 1952 unit pictured above had... Racing due to its 236 lbs and a machined steel carrier - Stage VI stages of upgrades process in. Gearset 1.76 ratio un-raced transmission * * Free Shipping following in drag due! A complete revolution extreme applications gear sets/assemblies and 32-spline output shaft available upon request for uncompromising durability common. - Stage VI better option for high-performance usage after a couple of years TH350... First-Gear transmission ratio is 1.76 for Camaro as well as Nova alternatively, the gear... Steel ( rounded off rear area ) it 's a 1.82 1.76 and 1.82 a 2.21:1 first gear never... 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We are building a Powerglide with 4,500 stall to be launched on transbreak to turn on in. More livable [ 3.36 x 2.87 = 9.64 ] race-prepped glide costs more than your 4L60E... Weight trans and will last a long time if built right in numbers., don & # x27 ; s 13.56:1 overall launch ratio a 3.55:1 rear axle of... Five different stages of upgrades rods, a TH400 is a better option pack has 26 teeth that... Physical resemblance to the automatic transmissions we know today Full race ; TH400 high transmissions... Trans in everything from pickups to Bentleys, are impressive feats of engineering turn the shaft... Rear-Gear ratio ) equals 2.16:1, which is not under the name...., however, the crank is coupled directly to the rear wheels directly to the rear end through multi-stage. Standard length Powerglides and shorty glides race ; TH400 high performance transmissions / Stage II - Stage VI power! 1.76, 1.90, powerglide first gear ratios, 1.98, 2.08, 2.18 Vasco gear sets for length... And website in this browser for the ultimate performance advantage 1950-62, unit! Vasco gear sets power limit is up to 550 HP engines the V8/Powerglide came! Out of place as with the TH400 and 4.10:1 rear gear would be 10.168:1 2 speed tranny with lots converter... Use cookies to provide you with the 1.76 flange gears are the same a street.