Transmission Programming - Shiftless Pleasure

Part IV: Programming the 4l85-E SuperMatic transmissionWhen HPP teamed with GM Performance Parts (GMPP) and Classic Restorations to mate the new THM 4L85-E SuperMatic transmission to a built-to-the-hilt SD-455, we wanted to fully document the process. Thus previous issues covered in great depth the internal workings of the SuperMatic, along with the physical installation into a '74 Trans Am (Feb., Mar., and Apr. '10, or check online at highperformancepontiac.com).


Photo Gallery: Transmission Programming - We Tune The 4l85-E SuperMatic In Our '74 SD-455 T/A - High Performance Pontiac Magazine

Photo Gallery: Transmission Programming - We Tune The 4l85-E SuperMatic In Our '74 SD-455 T/A - High Performance Pontiac Magazine


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