Missing Boost

Originally Posted by pokeyl New one is onthe way. The fix for now was Ace hadware springs. After the new spring install the valve is half-way open at idle. Under

		Nissan 370Z Forum > Nissan 370Z Tech Area > Engine & Drivetrain > Forced Induction
Missing Boost

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08-09-2013, 10:30 AM

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Baer383

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Quote:

Originally Posted by pokeyl

New one is onthe way. The fix for now was Ace hadware springs. After the new spring install the valve is half-way open at idle. Under full boost it sould be full open from the SC pressure and the high vaccuum. At cruse it should be full closed. It should closer sooner as it is only part open at 15-18 inches of vaccuum. The old valve has never held up to full 1.5 SC boost. It will be fun to see if my new setup can handle 10PSI.

It should be open at idle,closed when you floor it and it will flutter under part throttle cruise.

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