Quote:
Originally Posted by ChrisUR
I want to finish the prototype and dyno testing
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Something to keep in mind: is your test car ECU-tuned, e.g. w/ UpRev? The only other manifold option we've had (the M370) there's been this unresolved question forever that it makes gains on the stock tune, but if you dyno-tune before and after it may make zero effective gains, as the gains from the changes to the manifold seemed to overlap with the tuning gains somehow, at least for some 3rd-party testers.