Powerglide Transmission


» Product categories » Powerglide JW Performance Transmission Inc. 1826 Baldwin St. Rockledge, FL 32955. Telephone: (321) 632-6205. Use with Powerglide-style, 45-tooth frictions, Sonnax steels & high capacity piston kit 104960-20K. Material: 300M Tooth Count: 45-T Powerglide-style hub spline. Superglide 2 Powerglide Transmission: Max HP 2,400 HP Specs. 1.64 or 1.80 Vasco Gear Set. Precision-balanced, new 4340 Carrier and Output Shaft. Exclusive 30 Spline Clutch Hub and Input Sun Gear. 1” Ringless Vasco Input Shaft. ATI SFI 4.1 /30.1 SuperCase & Bell Housing. Automatic Transmission, Mud Series Powerglide Level 5, Two Gears, 1.80 First Gear Ratio, Hardened 4340 Output Shaft, SFI 4.1/30.1, Chevrolet, Each.

General Motors transmission have markings to identify;

  • - Casting numbers on the case and extension housing.
  • - Powerglide transmissions were cast with the word Powerglide along the body
  • - Date Casting Codes
  • - Assembly Date Code Stamping - can be stamped anywhere..
  • - Chassis Vin Number stamping or 'source serial number'- beginning in 1962

Powerglide Racing Transmission

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). From 1967 on, the ID number contained the transmission type or plant prefix, Date (coded below) and a shift code. The constants in decoding the trans ID number are the date the transmission was produced.

  • 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)

The transmission identification number or source serial number (chassis vin) is usually located close to the transmission code. 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.

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  • Example: 19N500001

The Powerglide transmission has found its way into many different applications other than GM vehicles. With the availability of various aftermarket bellhousings , it can now be mated to a myriad of different engines, and upgraded internals to allow the Glide to live behind almost unthinkable amounts of horsepower.

It has become the “go-to' transmission for many serious racers regardless of their chosen marque. For many non-GM racers it is the next evolutionary step up when they have surpassed the capabilities of their current set up.

Given the reliable service that DYNAMIC C4s give racers all the way to 8 second quarter mile times, it does not take much of an imagination to figure out just how bullet proof a Powerglide can be in the hands of those same skilled DYNAMIC builders!

Dynamic Racing builds one of the finest most durable Powerglides available. We can create a unit for almost any power level and also adapt them to fit non-GM applications.

We are also specialists in rebuilding the cast iron version of this transmission for restoration and racing purposes.

Powerglide Levels

Comp — rated to 1150 HP (300M Hardened Input; New Hub; Dual ring Servo; 8 Clutch Drum; 1.80 Gearset; Deep Al Pan; Hi-Flow pump; Fwd Shift Manual Valve Body)

Powerglide Transmission Max

Comp/Brake — rated to 1150 HP (300M Hardened Input; New Hub; Dual ring Servo; 8 Clutch Drum; 1.80 Gearset; Deep Al Pan; Hi-Flow pump; Brake Valve Body)

Pro-Tree II HP — rated to 1600 HP (NASA Hardened Input; New Hub; Dual ring Servo; 8 Clutch Drum; 1.80 Gearset; Deep Al Pan; Hi-Flow pump; Brake Valve Body)

Powerglide Transmission Troubleshooting

Pro-Tree II MAX — rated to 1800 HP (Same features as the Pro-Tree II, plus SFI case)

Black MAX — rated to 2500 HP (Full SFI; Ringless NASA shaft; Pro-Mod 10-clutch drum; Dual ring servo; 1.80 Gearset; Brake valve body; Deep Al pan; Hi-Flow pump)

All Powerglides are listed as GM application. Options available for Ford and Mopar. Powerglides are

also available with optional gear ratios.

Powerglide Transmission

DYNAMIC builds the very best racing automatic transmissions anywhere!

Click a product below for details.