In article ,
Chris Bacon wrote:
It seems to me that in many modern production cars the "performance
tuning" has already been done...

Indeed. Unless it's a turbo where you can simply wind up the boost, it's
extremely expensive to get a meaningful power increase on most modern
engines.

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*Aim Low, Reach Your Goals, Avoid Disappointment *

Dave Plowman London SW
To e-mail, change noise into sound.