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Old 06-12-2012, 01:05 PM   #2
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What I Drive: '12 Fusion SE V6

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As far as I know you cannot have boost lower than what your wastegate spring is set for. Unless you can figure out a way to make the wastegate open sooner.

I would probably just purchase or borrow the proper spring for 6 psi to be sure you'll have the proper boost level.
2012 Fusion SE 3.0L V6
'86 XR4Ti ; 2.3L Turbo, 15psi
1988 F150 Custom
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