shurup Posted September 3, 2014 Report Share Posted September 3, 2014 I read the topic in FAQ, but did not understand whether it is possible to set the switch in my 1991 Pontiac Grand Prix with a 3.1 mpfi and transmission 4t60? Thank you. Quote Link to comment Share on other sites More sharing options...
White93z34 Posted September 3, 2014 Report Share Posted September 3, 2014 I don't think so. You need the electronically controlled 4t60-E. A 1991 3.1 car will have a regular 4t60. Quote Link to comment Share on other sites More sharing options...
RobertISaar Posted September 3, 2014 Report Share Posted September 3, 2014 I don't think so. You need the electronically controlled 4t60-E. A 1991 3.1 car will have a regular 4t60. QFT. the only thing you can electrically enable/disable on a 4T60 is the TCC. Quote Link to comment Share on other sites More sharing options...
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