TT vs. Seq. on aftermarket ecu??
 

Ok, quick question.......My fd is converted to True Twin, will the various aftermarket re-mapped ecu's (ex. m2, pettit, xs) work on my car, or will it need to be converted back to sequential?
Thanks for your time. -Patrick

what is "True Twin" and how is that different from the stock setup?

Assuming you mean non-sequential, I'd suggest going with a PowerFC or some other true standalone ECU, not a piggyback or reflash like the ones you mentioned.

It will run, but it won't run well.

I'm running full non-sequential with the Pettit Racing Unlimited ECU and it runs great, as long you have the resistors in the stock boost solenoid electrical connections your car will run fine.

I had the same concern when switching to non-sequential , so I made a call to Pettit and they assured me the car would run fine and that the computer would max out the injectors at 14 psi of boost. They were right no problems what so ever.

I used Rotary Resurrection's how-to page to do the turbo conversion.

^ ok sounds good, thanks for the help guys!!

I am also running Pettit's Unlimted ECU, on a non-seq setup. It runs great so far at 12 psi. Even 10.9-11.7 AFRs all through the RPM range, except on 5th which leans out up to 12.4 AFR at around 10psi.