Ok, the things you are explaining I already know. I will find the link on how to do this in a second. Regarding the ls1 TB they were talking about- You can actually modify a LS1 TB to work on our cars. The maf is located in the TB of all 97-03 model 3800 engines. It will be bennefictial if you do some tuning to the MAF if you get a cold air intake becuase they can change the trims becuase of the Colder air. With this you will be using the throttle body that is dependant upon a cable for movement. Just swap over EVERYTHING (compleate engine wiring harness ect) from any 97-03 gtp and be done with it. That is the 97-03 stuff I was talking about. What can you guys tell me about it?ĭo a series II swap. Should I just screw it and do the Series II conversion (what's up with the MAF?)? Plus, I'm not using the Grand Prix's transmission. I will be doing a power steering delete (Fieros don't have power steering), new exhaust and cold air intake. It's been done before but it is harder than a series II swap. Also transmisson controls also affect torque output so again be prepared for a more complex PCM reprogramming if you chose to go drive by wire. Torque based ETC systems often recognise extra power as a fault and will trigger 'limp home' mode if the change is larger than about 5%.

Modifying the engines exhaust, or adding accesories to increase power changes the relationship between engine power and and throttle position. Therefore new engine calibrations must be done for a Torque based ETC to work properly. The 3800SC series III is torque follower and very sensitive to the slightest engine modifications. One is 'torque follower' (the current version of ETC) the other is pedal follower that is an earlier version. Two different ETC systems aree used today. We avoided it by going with a late series II PCM and converting to a cable operated TB with an LS1 MAF sensor. Regarding the series III it can be a tricky installation.

Fiero 3800 swap harness