Quote:
Originally Posted by GST Mike
I can only offer what we see on the dyno which on the same car shows to be a 200-300rpm difference depending on gear and load, also the transient throttle response is greatly improved. This is based off a GT30r running a Hydra tested same day.
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That's excellent info - no doubt. I just wish I understood the "why?" better. And is that both cold and hot sides changing when rotating the manifold?