I have a 87 national with stock turbo and intercooler,headers,cat back exaust,upgraded fuel system. and I was wondering if a 70mm tb & plenum is over kill for the motor i figure more air is better.let me know thanks all
you can lock the converter, put a duttneck on the stock intercooler, run race gas and turn up the boost.....theres more im just too tired to remember...
I have a 87 national with stock turbo and intercooler,headers,cat back exaust,upgraded fuel system. and I was wondering if a 70mm tb & plenum is over kill for the motor i figure more air is better.let me know thanks all