I have a 3 spd auto tranny and want to go to a 4spd. options?


Asked by Jan 07, 2016 at 10:34 PM about the 1985 Ford F-150 STD Standard Cab LB

Question type: Car Customization

looking to possible upgrade my 3pd auto to a 4spd auto. I have the 4.9
engine. I do highway driving on occasion and miss having an extra gear. what
bolts up, and what might i have to fabricate or adjust? thx

1 Answer


The biggest problem you are going to have is finding a four speed transmission that will not be EEC controlled. You may have to drag along some electronics along with the tranny.

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