Series 5 tubro question

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Jun 21, 2002 | 04:18 PM

flying taco

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From: Cincinasty

Series 5 tubro question

Ok, I have a series 5 turbo/manifold on my 87TII. Will the wastegate still open at the stock series 4 pressure? I don't want to be overboosting or anything.

Thanks

Aaron

Jun 21, 2002 | 05:34 PM

dvls-7

Sick & Twisted

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From: FT Lauderdale, Fl

I have the same setup and there was no change in actual amount but the change i felt was a quicker spool up......feels even better after the TB mod.

Jun 21, 2002 | 06:36 PM

RETed

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From: n

If you bypass the boost solenoid normally on a Kouki turbo system, it'll revert back to the Zenki 5.5psi boost level.

-Ted

Jun 21, 2002 | 06:44 PM

dre_2ooo

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From: Twin Cities, MN

Since he'll ask,

Zenki = Series 4 (means BEFORE)

Kouki = Series 5 (means AFTER)

Jun 21, 2002 | 06:54 PM

NZConvertible

I'm a boost creep...

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From: Auckland, New Zealand

Quote:

Originally posted by RETed
...it'll revert back to the Zenki 5.5psi boost level.

Ted, that FSM says max boost for the S4 was 6.56psi; how come 5.5psi keeps being mentioned? Just curious.

Jun 21, 2002 | 07:01 PM

RETed

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From: n

Yeah, I saw that too, but I think it also mentions that's a quick transient, and the boost levels actually come down the closer you get to redline.

-Ted