GOTHALOSISM Posted June 21, 2010 Share Posted June 21, 2010 I have a 94 lt1 with the MAF sensor. I bought a custom Harness with a chipped ECU from a guy that had a 93 lt1. Is there a way to install the MAF sensor into the new "custom" harness or do I even have to use the sensor? I did search but got tired of reading the same info. Quote Link to comment Share on other sites More sharing options...
deja Posted June 21, 2010 Share Posted June 21, 2010 There is a lot of differences between the 93 and 94 LT1. MAF is only one. Sequential Port Injection introduced in 94. The 94 computer that can be reprogrammed using your laptop. I know the 93 EFI connectrs are not going to hook up right and I doubt the 93 ECU will run the Sequential Port Injection correctly. If I were you I would get the proper harness and get the benefits of the 94 ECU and the MAF. Quote Link to comment Share on other sites More sharing options...
Geking Posted June 21, 2010 Share Posted June 21, 2010 I have a 94 lt1 with the MAF sensor. I bought a custom Harness with a chipped ECU from a guy that had a 93 lt1. Is there a way to install the MAF sensor into the new "custom" harness or do I even have to use the sensor? I did search but got tired of reading the same info. I can ship you my old map if you want Quote Link to comment Share on other sites More sharing options...
GOTHALOSISM Posted June 22, 2010 Author Share Posted June 22, 2010 Update I joined a lt1/ls1 forum and one of the guru's told me as long as I have a 93 PCM/ECU I can run the engine with no problem. Better yet I can stick a air filter right on the TB. So in conclusion the 93 harness with 93 ecu will work on a 94/95 lt1. (not sure about later lt1's though) Quote Link to comment Share on other sites More sharing options...
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