Quote:
Originally Posted by Chriskm3
My p3 vent gauge showing 6.8 psi on a 540 vf kit with 508 whp. ESS 620 kit runs less psi with a smaller pulley? Hmm. Something is off them. Either my gauge or your gauge is not registering correctly. I also was under the impression that pulley size controls running speed of the blower which reflects on boost pressure
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It's a good question/comment and either the EAS boost measurement is incorrect or my car is an anomoly.
Funny thing is that their boost measurements appears to be correct for every other 625 kit they have dyno'd and measured boost for. You can see the boost graph above...actually not even 6psi...maybe 5.5 to 5.75 before it spikes up when the throttle is closed.
I wish I had a good answer.