Originally Posted by
cossie.087
thanks anyway chip.i changed over ecus and the one with the t34 chip in it starts and runs fine but as soon i hit 4000 rpm it would back off hard a real neck breaker dose a chip have to be mapped to suit a specific turbo, if so could this mean iam not running a t34.
Stop what you are doing right now mate, and get it to a tuner, you'll end up melting your engine if you carry on and YB's are getting dear to replace!