Increasing shift points after headers and porting TPI
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Junior Member
Joined: Nov 2005
Posts: 25
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From: Chandler
Car: Trans Am
Engine: 350 TPI
Increasing shift points after headers and porting TPI
I'm going to get headers and while I do that port the TPI as much as possible, would raising the shift points by 2-300 rpm be ok or not? I'm know the breathing capability isn't so hot with TPI as they aren't meant for crazy RPMs, but 2-300 isn't sky rocketing.
Would the engine be okay? The car has 88k miles on it. And I the head gaskets were replaced w/i the last year.
Would the engine be okay? The car has 88k miles on it. And I the head gaskets were replaced w/i the last year.
Supreme Member
Joined: Jul 2003
Posts: 1,104
Likes: 1
From: Pensacola, FL
Car: 1999 Saturn SL2
Engine: 4 cylinder
Transmission: 4-speed automatic
Sure, but it probably won't make a difference. The design of the TPI pretty much limits HP being made anytime after 4500 RPM or so.
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