Determining the correct blowoff pressure?
#3
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Turbo bov needs to be tuned for your setup which will require springs and shims for those pieces that use them. Tighten it up til you get a LOT of compressor surge, then loosen it back until it surges some without barking from full boost. FWIW, I spent a good hour getting mine right. Adjust, test drive, repeat until done.
S/C, I'd guess any time you let off the throttle in boost it should release some pressure. Just a guess though.
S/C, I'd guess any time you let off the throttle in boost it should release some pressure. Just a guess though.
#4
Adjust the blowoff valve so that it just barely doesn't open when the engine is idling. Any amount of boost in the charge pipe with the throttle closed should open it up Your car is going to be pulling vacuum at high rpms and will have no problem opening up the BOV when the throttle closes.
#7
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With a turbo, it doesnt really matter. As long as it stays shut on boost, and responds fast enough when you close the throttle, that's all that really matters.
Unless of course you are still using the MAF then BOV placement and response can matter
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#8
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#9
Or you don't want your engine sucking stuff up if you prefer to run a filter