boosting

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11-29-04, 03:06 PM

Rx7 922

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boosting

now i was wondering wat you guys think. i have a apexi boost controler and i have one setting on 10 psi and the other on 15 psi, now when i put the setting on the 10 psi it just boosts to 15. wat do you think it could be?

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11-29-04, 03:09 PM

SureShot

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The exhaust is overflowing the waste gate.
The fix is to port the waste gate, so it can flow more & limit the excess boost.

Last edited by SureShot; 11-29-04 at 03:15 PM.

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11-29-04, 03:14 PM

Digi7ech

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Boost creep.

With NO controller at all I hit 10psi in 3rd and 11+ in higher gears.

The S5 wastegate is pretty good but can be improved.

Do a search on wastegate porting