Bypass Electronic Transmission Controls

HOW-TO bypass the auto transmission controls in the 3800 PCM

I have gotten a couple of questions on how I was able to bypass the auto trans controls on a stock 3800 PCM in order to prevent early rev limiters and other drivability issues it had when I was not using an electronic automatic . . . → Read More: Bypass Electronic Transmission Controls

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AOD Conversion

The TH440-T4 (4T60, RPO code ME9) is the only GM Automatic Over Drive transmission that will easily drop into otherwise stock Fiero. I’ve been interested in this conversion myself for a long time. I’ve pulled together some of the more pertinent data into this article for those considering the swap. Maybe I’ll get around . . . → Read More: AOD Conversion

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4 Speed Automatic for your Fiero – 440-T4/4T60/4T60E

4 Speed Automatic for your Fiero – 440-T4/4T60/4T60E

The Turbo Hydra-Matic 440T4, later renamed Hydra-Matic 4T60, and the Hydra-Matic 4T60E are a popular swap for the Fiero. This is partly due to the fact that they are original equipment with many of the popular engine swap choices. They provide an additional gear (overdrive) . . . → Read More: 4 Speed Automatic for your Fiero – 440-T4/4T60/4T60E

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