Originally Posted by
nitrorocket
My pcm has been dyno tuned with my engine, heads and cam before I turbo'ed it. Its a 2000. If I reflash to a 2002 operating system, I will not be able to use that tune and will have to start from scratch? OR, does it not matter if I lose my tune and start working with a stock 2002 file because I no longer have a 1 bar and no rear o2's and no MAF. What is your opinion on this?
I'm thinking would be better off just going with the '02 reflash and custom O.S., Is this the right choice?