Where are you making full boost?

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Sep 15, 2007 | 09:55 AM

#41

blacksi

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From: East of Atlanta, GA

Are you sure its a GT67? I didn't see a gt 67 on garrets site. I looked at a GT42 yesterday and it was huge though.

Sep 15, 2007 | 11:12 AM

#42

2002ws-6

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From: Glendale,AZ

I'm guessing that for m6's where talking 4th gear. On the highway with my .81 on 3.42's I'm 8psi by 3200 rpm MP t70 but other gears its way different. 1st gear i only get 5 psi by 4500 rpm. My next dyno tune I'm gonna have them run it in lower gears. The dyno is a dyno pak so they can create any kind of load desired.

Sep 15, 2007 | 03:44 PM

#43

99camarosupersport

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From: Indiana

2nd/3rd....I can barely make boost in 4th. Stock 3.42 gearing.
I'm still waiting on the guy that I'm trading the longtubes for the manifolds so I hope that takes care of the problem....
And yes I'm sure it's a GT67 lol...........

If it makes a diff., the car has an forged LS6... and I had heard the z06 camshafts were great for boost?