VR4 boost question

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VR4 boost question

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Mitsubishi >> Tech Help and Information >> Nitrous, Super Chargers, & Turbos >> VR4 boost question

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VR4 boost question - 7/25/2006 3:12:40 PM

superinflamo

Posts: 195
Joined: 5/19/2006
Status: offline

so i just put a 3 inch full exhaust on my VR4, and im thinkin about getting a boost controller, but my question is, how much PSI will the stock turbos run reliably at? at that certain PSI, would i need to adjust the factory wastegate or BOV?

daniel

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3" Downpipe-back exhaust-K& NFIPK-Blitz Turbo Timer-3SX Clear Corners-Slotted/Cross Drilled Rotors-Black 18X8.5 Drift Double 5 Wheels,AVC-R
Soon to Buy: Tsudo Downpi

Post #: 1

RE: VR4 boost question - 7/25/2006 3:55:15 PM

EMonz57

Posts: 11661
Joined: 5/13/2005
Status: offline

Ive heard 15\16 on stock fuel system. BOV may need to be upgraded not sure...up it see if there is a leak and go from there. if the PSI drops by redline your BOV cant hold it most likely.

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1993 Supra 6spd(OOOO\ ..... /OOOO)