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Jan 12, 2008 | 11:32 PM

pthurm_28

Thread Starter

2nd Gear Member

Joined: Aug 2007

Posts: 430

From: Tulsa, OK

with the ph turbo system would i be good running 91 for fuel

Jan 13, 2008 | 02:41 AM

StickShifty

5th Gear Member

Joined: May 2005

Posts: 4,536

From: New Jersey

RE: 91

depends on the tune

Jan 13, 2008 | 03:35 AM

NickSezz

4th Gear Member

Joined: May 2006

Posts: 1,207

From: Nutley NJ

RE: 91

Quote:

ORIGINAL: StickShifty

depends on the tune

+1...How the car is timed depends on what grade fuel to run. You would wantto usethehighest octane availablewith boost because of all the cylinder pressure anyway.

Jan 13, 2008 | 11:48 AM

fazm

5th Gear Member

Joined: Mar 2006

Posts: 3,893

From: arizona

RE: 91

i ran 91 octane on my old 9psi tune, ran fine. made 371/402

Jan 13, 2008 | 10:42 PM

pthurm_28

Thread Starter

2nd Gear Member

Joined: Aug 2007

Posts: 430

From: Tulsa, OK

RE: 91

what about 12psi occasionally at the track

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