Quote:
Originally Posted by JDLAutoDesign
On the original test car we tried 6, 8, and 10psi springs. The best reacting without any flutter was the 6. Same on this car is question. I'll find another link. Tial doesn't go into detail on the site for some reason
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It is obvious that the 6 psi spring is going to react quicker than any of the others. That isn't in question. I mean it is ready to open up at idle with no issues so when you slam that throttle closed it will definitely open quicker. The question is whether or not its opening at higher vacuum levels is causing enough turbulance to upset the air flow across the MAF. It is an easy thing to verify by removing it from the equation and just removing the vacuum source from the BOV so it stays closed no matter what. If it makes no difference then it is clearly a tune issue.