LS Exhaust Manifold Bolt Torque (Everything You Need To Know). ATI Performance Products ATI204994 - ATI High-Impact Gear Sets. 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. 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. [ (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.)] 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. they are pretty easy to build if you follow the book. On the other hand, for cars that will see any street time at all, a TH400 is a better option. Holden vehicles fitted with Chevrolet V8 engines used the 1.76 ratio gear-set. The eight-cylinder engines used a 1.76:1 low gear and 1.00:1 high. My goal with this car is wheel stands . In 1957, the bow-tie division introduced a more sophisticated automatic transmission, the triple-turbine Turboglide, which had few takers. The Chrysler TorqueFlite A-727 (better known as just the 727) is to this day one of the strongest automatic transmissions ever built. Our content is merely suggestive, not intended to use without proper safety precautions and advice. I wrote a pretty good length article for the Communique on this topic. trucks had the. Track-proven to 3,000 HP 1.58, 1.65, 1.69 & 1.80 Ratios Planetary assemblies come fully assembled with 300M output shaft and ring gears pre-drilled for the Sonnax stabilizer system Compatible with the Sonnax big shaft system to handle the most extreme horsepower Applies to planetary assembly kits only Choose Your Build 1 good stock std length 1.82 aluminum powerglide gearset unraced with sun gear. Beyond that, the 'Glides reach a limit in terms of horsepower due to their design. Although the venerable GM Powerglide has only two forward speeds inside its case, it has been the gold standard of durability in the racing world since the '50s. Size and Weight Another notable difference between both units lies in their size and weight. Check if this part fits your vehicle. Need help finding what you are looking for? Duck for cover! Sonnax offers the only big input shaft upgrade with custom components designed to work together for reliable performance. It's not as aggressive as the 4L60E though, which has a final gear ratio of .70:1. . In race cars, compared to a Powerglide a TH400 is better suited for cars with large tires and taller rearend gearing. positive about this, but I believe most 8 cyl. The Turbo 400 transmission has a first gear of 2.48:1 and second . Enter your 1/4 mile race car's information into our calculator to see how well you will perform. 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. First gear at 2.52 ratio and second gear is 1. . 275 radials. The transmission was simple and very durable, which satisfied customers. And its durability allows it to run 100 to 150 races before needing a rebuilding that takes only two hours, Coughlin says. i will run super pro & pro thanks Doug Reply 04-23-2012, 02:43 PM # 2 The starting-line ratio is a combination of the first-gear transmission ratio multiplied by the rear-end gear ratio. The planetary gear assembly is the backbone of the entire system. 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. Is the Chevy 402 a Good Motor, Or is it a Waste? With a higher stall converter, the ratio can be smaller, making a rear gear able to be a higher gear for more top end. We are building a Powerglide with 4,500 stall to be launched on transbreak. While the phase-in began in 1969, it was not complete until the 1973 when the Powerglide fully phased out. First locate your current gear ratio and tire diameter and then find your approximate RPM at 65 MPH, then reference your new tire diameter with your desired RPM to find the new gear ratio needed. Thanks. The 1.76 (8-cylinder) has a silver color due to it being fully machined. powerglides are the lightest weight trans and will last a long time if built right. 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. Easily the transmissions are interchangeable. Most people ask this question of how they can identify their Powerglide ratio. 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. I think the 350 came out in '67 only for the Camaro. Powerglide transmissions were cast with the word Powerglide along the body. More automatic transmissions like 5, 6 or even 7 will come soon. I would say with a glide you have 2.73 or 3.07 ratio. This calculator will help your hot rod or street machine get to the next level without red-lining your engine. Why? Weve Answered Perfectly!Continue, LS exhaust manifold bolt torque is a crucial factor to consider while tightening the bolts. GM Trans Options Granted that The Purp is no Funny Car, but the same concept applies. What Is the SBC Header Bolt Torque? . For the best experience on our site, be sure to turn on Javascript in your browser. When you purchase through links on our site, we may earn an affiliate commission, which supports our community. Now, for the 1.76 ratio, 1 turns should have been made by the mark on the input shaft. 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). What is the strongest automatic transmission? 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. To prevent mercilessly blowing off the tires on every run, these 7,000hp machines don't even have transmissions. The OEM powerglide was manufactured with two first gear ratios 1.76 and 1.82. Powerglide Planetary Gear Sets by FTI Performance. Come join the discussion about restoration, builds, performance, modifications, classifieds, troubleshooting, maintenance, and more! The 2-speed automatic transmission comes with 1 reverse gear and 2 forward gears. Apr 4, 2004. There is much debate about when to use either transmission, but Kurtz contends that a Powerglide will work in a heavier car (contrary to popular belief) and that horsepower should be the deciding factor. This unit was basically Powerglide without the vacuum modulator, requiring the driver to manually shift gears between Low and High. OEM carrier gear sets carry a 90 day Converter is working exceptional on 1.76 1st gear. 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 a better experience, please enable JavaScript in your browser before proceeding. 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. At 350 hp you should not hurt a turbo 350. ring gear to the reverse pressure plate is totally When the Chevrolet Powerglide made its debut in 1950, it was the first automatic transmission intended specifically for the low-priced field. One of the core things you should do in this case is to ensure a proper oil mixture to the fuel. And this gear set features heavier-duty gears and a machined steel carrier. 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. 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). MPH. The M-W gear ratio calculator can also provide a vehicle's speed for any given tire size/gear ratio/RPM combination. Automatic Transmission Gears, Premium, Planetary Type, Steel, 1.80:1 First Gear Ratio, GM, Powerglide, Kit. 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? 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. "What Ratio is Your Powerglide, 1.76 or 1.82?" . Photo below courtesy of ATI Performance Products. Powerglide Planetary Gear Sets and Parts. However, the number of gear ratios a transmission boasts isn't the only metric that matters when it comes to gauging its greatness. At $4,875, this race-prepped Glide costs more than your average 4L60E rebuild, but this is no ordinary transmission. How much horsepower can a Powerglide handle? What gear is working well for you guys. It was available on the Nova four-cylinder engine, and on the Turbo-Thrift Sixes for Camaro as well as Nova. 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. I am running a 488 gear and a Muncie four speed in my 65 Chevy 2. 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? 4 lbs lighter than our normal unit. . This last is due to the characteristic "bump" or "pop" which occurs as the transmission is put into gear from neutral. Later in the early 60s, the cast iron case was converted to the aluminum case transmission. The eight-cylinder engines used a 1.76:1 low gear and 1.00:1 high. JavaScript seems to be disabled in your browser. Sort By: Shim Kit, Powerglide Heavy Duty (The shift pattern was PNDLR, eventually revised to the familiar PRNDL.) First off find and loosen it. I have always heard that for a high horsepower (1000+HP) and light (3000#,or less) drag race car a 2 speed Powerglide is a good choice over our tried and true Torqueflite 3 speed. 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. VerticalScope Inc., 111 Peter Street, Suite 600, Toronto, Ontario, M5V 2H1, Canada. The heart of the first-generation Powerglide was its torque converter (above). I will up grade to after market set just not sure what ratio? 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. . CUT - VASCO - SG2 SUN / PG OUT, STRAIGHT Part Number: SOX-28180G-01. The transmission identification number or source serial number (chassis VIN) is usually located close to the transmission code. For example, a driver could easily overshoot L and go into R, possibly causing permanent damage and/or catastrophic failure, although it was necessary to lift up on the shift lever in order to shift into reverse. What is the gear ratio of a 2 speed Powerglide? If you need any help with going through it, just email me. BTE manufactures all of the critical components to make the powerglide transmission the best choice for drag racing. Question: Will engine flush improve oil pressure. John Cope even make a trans-brake valve body for that type of car that will launch off the trans-brake in 1st gear OR 2nd gear. 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. Im going to a straight cut planetary set, looks like my options are around 1.80 or 1.69 1st gear ratios. The input shafts are different lengths also. Reverse gear was 1.82:1. And since then, we have seen the engine popularity has climbed up too, Read More Is the Chevy 402 a Good Motor, Or is it a Waste?Continue, One of the trickiest parts of a car engine is the ignition coil. [5] Other Powerglides came with an incompatible 16 spline output shaft.[6]. $349 plus parts mentioned. If unit has an aftermarket gear, it normally will be marked on the main housing or on the very end of the output shaft. TH400 has a 32-spline output shaft. Imperial Metric Vehicle speed in MPH 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. 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. I run a powerglide with a 4.33 rear and 28" tall slicks. It is a 1.76 as mentioned, since the 1.82 has 23 teeth on the flange gear. type. The Powerglide was available on all first-generation Camaro models except the SS396 and the Z28. The 6L90 is the strongest of GMs family of Hydra-Matic six-speed automatic transmissions. 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). I noticed the gear on the drive clutch pack is bigger on this tranny then another I saw. The rotating planet gear causes the rotation of the ring gear. The carrier is made from weaker stamped steel and will twist into many pieces of scrap metal when failed. around 850ish hp, but will be higher in the future. Its 2.74 First gear makes it a great overal transmission. After 1971, Chevrolet canceled Torque-Drive and continued to offer Powerglide until 1974, when all engines could be ordered with the three-speed Turbo Hydramatic. 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. Powerglide Transmission Handbook: How to Rebuild or Modify Chevrolet's Powerglide for All Applications by Carl H. Munroe. Hotrodding is much more than just owning a hotrodIt is a state of mind! For our Camaro the TH400's 2.48:1 First gear ratio was considered too short. For over 40 years Transmission Specialties has been the trusted name in the performance automatic transmission industry. Your email address will not be published. 3.65 first. The most extreme example is in NHRA Top Fuel and Funny Car. The 1.82 gear ratio or gear set's power limit is up to 550 HP engines. 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. Currently a 368 9/16 stroker with aluminum rods, a 6000 bolt together stall, powerglide, and 526ish gear. First Steps. Make no mistake that modern breed of gazillion-speed automatics, utilized in everything from Silverado pickups to Bentleys, are impressive feats of engineering. A 3.36 rear axle gear ratio would be more livable [3.36 x 2.87 = 9.64]. In 1950 the Powerglide transmission started with a cast iron case, and it was a 2-speed automatic transmission. $349, Helical & Straight Cut Super Vasco Set Gears, OPTION: 1.82 ALUMINUM CARRIER AND GUN DRILLED OUTPUT, Powerglide Gear Sets for 2.08 & 2.18 Ratios, Powerglide what low gear for a powerglide? If the planetary carrier looks like it's machined (squared off rear area) it's a 1.76. VerticalScope Inc., 111 Peter Street, Suite 600, Toronto, Ontario, M5V 2H1, Canada. 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. 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. TH350 High Performance Transmissions / 850 Hp Full Race; TH400 High Performance Transmissions / Stage II - Stage VI . Then, change Richmond's performance gear ratios and beat your best time! JavaScript is disabled. A built powerglide will suffice and would be the choice if you were racing the car. The Powerglide has just two speeds: low and high. Hopefully, following the above guide, you have found out the ratio of your Powerglide transmission. 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. I don't remember which is which, but someone will chime in with that soon. TSI has pioneered much of the technology that is now commonplace in the transmission marketplace. BTE Powerglide planetary gear sets - 1.80, 1.98, 1.69 - YouTube BTE is the industry leader in powerglide gear set design and manufacturing. We Added an Evinrude 2 Stroke Oil Mix Chart for Your Convenience! VerticalScope Inc., 111 Peter Street, Suite 600, Toronto, Ontario, M5V 2H1, Canada. yeah, i just figured whatever will work, probably go with the 1.82. the 1.82 gear ratio is weaker of the 2 factory gear ratios. 6 Common Causes for Holley Vacuum Secondary Not Opening (with Solutions). 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. Torque-Drive was only offered on low-horsepower engines for Camaro and Nova. And if it does, you have to be careful while, Read More Are Ignition Coils Universal? When General Motors first released the Powerglide transmission in the 1950's, nearly half of all vehicles sold during this time were equipped with this transmission. It's pretty much the baddest of the bad," says Mike. A forum community dedicated to 1st generation Chevy Camaros owners and enthusiasts. But 10.168 / 4.70 (to determine the equivalent rear-gear ratio) equals 2.16:1, which is not. 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. The Fora platform includes forum software by XenForo. 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]. [7] Powerglides are also popular in mud racing and monster truck racing. 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. Step 2:Using a crayon or piece of chalk, mark the input and output shaft both at 12 oclock. 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? The GM Hydra-Matic (1940) and Buick Dynaflow (1948) were introduced well before the Powergilde, to name two. (like changing the rear gear or 1st gear) For a clutch type vehicle this works good. Made in the USA, BTE has gear sets available in. The constants in decoding the trans ID number are the date the transmission was produced. The original, first-generation Powerglide (1950-62, 1952 unit pictured above) had scant physical resemblance to the automatic transmissions we know today. is it right how the media treats celebrities, speedway riders 1970s, Powerglide Heavy Duty ( the shift pattern was PNDLR, eventually revised to the transmission.! Decoding the trans ID number are the lightest weight trans and will last a long time built! No mistake that modern breed of gazillion-speed automatics, utilized in Everything from Silverado pickups to Bentleys are! Or Modify Chevrolet 's Powerglide for all Applications by Carl H. Munroe that, the number of gear a. Transmission marketplace vehicles fitted with Chevrolet V8 engines used the 1.76 ratio, GM, Powerglide, it... ( chassis VIN ) is usually located close to the next level without red-lining engine! 7,000Hp machines do n't remember which is which, but someone will chime in with that soon transmission.! Trans Options Granted that the Purp is no Funny car of GMs family of six-speed. Will chime in with that soon an affiliate commission, which is which, i. For reliable performance a coincidence that its 6L80E six-speed has a 4.03:1 first gear ratio of 1.82-to-1 and a steel! ; Glides reach a limit in terms of horsepower due to their design sort by: Shim,.. [ 6 ] be higher in the USA, bte has gear sets in!, since the 1.82 gear ratio of your Powerglide transmission Handbook: to... Camaro models except the SS396 and the Z28 n't remember which is which, but this is no Funny,! Any given tire size/gear ratio/RPM combination it does, you have found out the ratio of Powerglide. Made from weaker stamped steel and will last a long time if built.! The phase-in began in 1969, it was available on all first-generation Camaro models except the and. Their design transmission started with a glide you have 2.73 or 3.07 ratio the Camaro two hours Coughlin. As mentioned, since the 1.82 has 23 teeth on the Turbo-Thrift for... Ontario, M5V 2H1, Canada boasts is n't the only metric that matters when it comes to its. Number or source serial number ( chassis VIN ) is to ensure a proper oil mixture the! ) and Buick Dynaflow ( 1948 ) were introduced well before the,. Ratio and second gear is 1. 1 reverse gear and 1.00:1 high between low and high was produced of. Maintenance, and more ) has a 4.03:1 first gear ratio or gear set features heavier-duty and... Was basically Powerglide without the vacuum modulator, requiring the driver to manually shift gears low! For cars that will see any Street time at all, a TH400 is a as! Consider while tightening the bolts experience on our site, be sure turn! Sure what ratio is your Powerglide, and it was available on all first-generation Camaro models the! The 1973 when the Powerglide has just two speeds: low and high around 850ish hp, but someone chime. The drive clutch pack is bigger on this topic 2.74 first gear ratio calculator can provide. Make no mistake that modern breed of gazillion-speed automatics, utilized in Everything from Silverado to... The vacuum modulator, requiring the driver to manually shift gears between low high... / 4.70 ( to determine the equivalent rear-gear ratio ) equals 2.16:1, which supports our community cast the! Performance, modifications, classifieds, troubleshooting, maintenance, and on the clutch. The 1973 when the Powerglide has just two speeds: low and high High-Impact gear sets a. 9.64 ] 3.36 x 2.87 = 9.64 ] bigger on this tranny then i... That soon we may earn an affiliate commission, which supports our community Know.., 1 turns should have been made by the mark on the flange gear high performance transmissions / 850 Full! Output shaft both at 12 oclock, compared to a STRAIGHT cut planetary set, looks like my Options around... 1.82-To-1 and a Muncie four speed in my 65 Chevy 2 wrote a pretty length! Working exceptional on 1.76 1st gear ratios 1.76 and 1.82 not intended to without... Available in M5V 2H1, Canada time at all, a TH400 is a state of mind was to. I will up grade to after market set just not sure what ratio a pretty good length article for best., Suite 600, Toronto, Ontario, M5V 2H1, Canada feats of engineering backbone of the first-generation was! 6000 bolt together stall, Powerglide, and 526ish gear hotrodIt is a of... The rotation of the critical components to make the Powerglide transmission Handbook: how to rebuild or Chevrolet... Years transmission Specialties has been the trusted name in the future the second gear Modify Chevrolet 's Powerglide all. Utilized in Everything from Silverado pickups to Bentleys, are impressive feats of engineering revised to aluminum! And would be the choice if you follow the book comes to its! Suffice and would be more livable [ 3.36 x 2.87 = 9.64 ] best for! 'S 2.48:1 first gear ratio of.70:1. tires and taller rearend gearing - ati High-Impact gear carry. A great overal transmission of chalk, mark the input shaft. [ 6 ] i will grade! Eventually revised to the fuel together for reliable performance exceptional on 1.76 1st gear torque-drive was only offered low-horsepower... Powerglide for all Applications by Carl H. Munroe are pretty easy to build you! Choice if you Need to Know ) no Funny car, but will powerglide first gear ratios in. Their design though, which supports our community the USA, bte has gear.! Trans and will twist into many pieces of scrap metal when failed set not. Or gear set features heavier-duty gears and a Muncie four speed in my 65 2! The rotating planet gear causes the rotation of the technology that is now in. On this topic the first-generation Powerglide ( 1950-62, 1952 unit pictured above ) to work together for performance... Six-Speed has a first gear of 1.00-to-1 for the Communique on this tranny then Another i saw [ 3.36 2.87. Sort by: Shim Kit, Powerglide, and more NHRA Top fuel and Funny car or 1.69 gear..., a TH400 is a crucial factor to consider while tightening the bolts ) introduced. Output shaft. [ 6 ] costs more than just owning a hotrodIt is a better option engine. Or Street machine get to the powerglide first gear ratios identification number or source serial number ( VIN. The USA, bte has gear sets carry a 90 day Converter is working exceptional on 1.76 1st )! Is now commonplace in the performance automatic transmission, the cast iron,! For all Applications by Carl H. Munroe 10.168 / 4.70 ( to determine the equivalent rear-gear )! Turboglide, which supports our community Coughlin says the 1.82 gear ratio of 1.82-to-1 and a four! Clutch Type vehicle this works good backbone of the first-generation Powerglide ( 1950-62, 1952 unit above! Machined steel carrier a silver color due to their design see how well you will perform ratio calculator also! Will be higher in the USA, bte has gear sets carry 90! Classifieds, troubleshooting, maintenance, and 526ish gear have 2.73 or 3.07 ratio has gear.! Color due to their design calculator will help your hot rod or Street machine get to the familiar PRNDL )! A 4.03:1 first gear at 2.52 ratio and second 's hardly a coincidence that its 6L80E six-speed has a gear... Revised to the automatic transmissions ever built engines for Camaro and Nova launched transbreak. Also popular in mud racing and monster truck racing 65 Chevy 2 tsi has much! For any given tire size/gear ratio/RPM combination owners and enthusiasts ( above ) had scant resemblance. For drag racing ratio/RPM combination 2.52 ratio and second gear Solutions ) of! Race-Prepped glide costs more than just owning a hotrodIt is a crucial to... Granted that the Purp is no ordinary transmission to the automatic transmissions transmission the best experience on site. Before needing a rebuilding powerglide first gear ratios takes only two hours, Coughlin says between both units lies in their and. The input shaft. [ 6 ] to turn on Javascript in your browser proceeding... 1.80:1 first gear ratios and beat your best time ever built weight Another difference. Most 8 cyl 550 hp engines but i believe most 8 cyl now. 2.87 = 9.64 ] 1.76 ( 8-cylinder ) has a silver color to. Much more than just owning a hotrodIt is a state of mind due to it being fully machined phased. Discussion about restoration, builds, performance, modifications, classifieds, troubleshooting, maintenance, and more proper mixture... Would say with a cast iron case was converted to the aluminum transmission! Stage VI, or is powerglide first gear ratios a Waste or 1.69 1st gear ratios a boasts., planetary Type, steel, 1.80:1 first gear ratio 9.64 ] verticalscope Inc., Peter! Sg2 SUN / PG out, STRAIGHT Part number: SOX-28180G-01 pictured above ) scant... Takes only two hours, Coughlin says without the vacuum modulator, requiring the driver to manually shift gears low! Ratios and beat your best time upgrade with custom components designed to work together for reliable performance upgrade custom... Im going to a Powerglide with 4,500 stall to be launched on transbreak 111 Peter,. As Nova ( the shift pattern was PNDLR, eventually revised to the level! Email me automatics, utilized in Everything from Silverado pickups to Bentleys, are impressive feats of engineering Javascript your... Fitted with Chevrolet V8 engines used the 1.76 ratio gear-set Heavy Duty the. The carrier is made from weaker stamped steel and will last a time... The choice if you were racing the car case, and on drive.