Worth TPIS Bigmouth and runners if Procharged?
Thread Starter
Joined: Dec 1999
Posts: 1,747
Likes: 26
From: Rugby, England
Car: 1988 IROC Vert
Engine: 355 ZZ4
Transmission: T5 Manual
Worth TPIS Bigmouth and runners if Procharged?
I have a Bigmouth intake, Lingenfelter TB (58mm) and Accell larger runners to fit. My 305 is Procharged. It runs great at the moment with 10psi of boost.
My question is: Will I notice much difference doing the upgrade or does running a blower overcome the shortfalls of the tpi system anyway.
I'd love to know. Thoughts?
My question is: Will I notice much difference doing the upgrade or does running a blower overcome the shortfalls of the tpi system anyway.
I'd love to know. Thoughts?
Joined: Sep 2004
Posts: 5,906
Likes: 240
From: Chicagoland Suburbs
Car: 1989 Trans Am GTA
Engine: LT1, AFR 195cc, 231/239 LE cam.
Transmission: M28 T56
Axle/Gears: 3.23 10bolt waiting to explode.
Re: Worth TPIS Bigmouth and runners if Procharged?
Yes, there will be a performance gain.
Thread Starter
Joined: Dec 1999
Posts: 1,747
Likes: 26
From: Rugby, England
Car: 1988 IROC Vert
Engine: 355 ZZ4
Transmission: T5 Manual
Re: Worth TPIS Bigmouth and runners if Procharged?
Ok then. We are good to go! Thanks, I wasn't sure if it would be worth the hassle
Joined: Sep 2003
Posts: 25,895
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From: Pittsburgh PA
Car: 89 Iroc-z
Engine: 555 BBC Turbo
Transmission: TH400
Axle/Gears: MWC 9” 3.00
Re: Worth TPIS Bigmouth and runners if Procharged?
Yeah it will increase power, may even drop boost some. The larger runner system will help peak power push up alittle higher in the rpm range. Maybe 100-200 more rpm and thats gonna be more power every time
Joined: Mar 2001
Posts: 10,438
Likes: 2,093
Car: '89 Firebird
Engine: 7.0L
Transmission: T56
Re: Worth TPIS Bigmouth and runners if Procharged?
Boost multiplies gains. If something gives 10 hp gain naturally aspirated, then you'll get even more with boost. Spending money on the little stuff pays off even bigger with boost.
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88redxtsy
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Sep 14, 2002 01:44 AM