Intake base port diameter
Thread Starter
Joined: Apr 2000
Posts: 1,536
Likes: 322
From: South Windsor, CT
Car: '89 GTA
Engine: ZZ6TPI
Transmission: T56
Axle/Gears: Borg Warner 3.70:1
Intake base port diameter
What is the stock lower base port diameter where the runner meets the base?
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89 Transam GTA, 350TPI, auto, 3.27 rear, dual cats, gray.
Magnaflow cat-back,
K&N open element,
Best E.T. 14.63@95mph
------------------
89 Transam GTA, 350TPI, auto, 3.27 rear, dual cats, gray.
Magnaflow cat-back,
K&N open element,
Best E.T. 14.63@95mph
Member
Joined: Jul 1999
Posts: 421
Likes: 0
From: Norfolk, VA
Car: 1985 Trans Am
Engine: 305 TPI
Transmission: 700R4
1.470"
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Kevin Irving
85 Trans Am WS-6, 305 TPI, custom burned '86 PROM with '87 "165"ECM, Accel Supercoil & 8.8 Wires, MSD 6AL, Aluminum Driveshaft, Wonderbar, TB Coolant Bypass, Ported Plenum, Modified MAF, Syclone Fuel Pump, JET Airfoil
15.556 @ 86.65mph, Nov 10, 2000.... I know it sucks.. but it will get better!
http://www.geocities.com/transam85tpi/
Member - The Tidewater Trans Am Club, Norfolk VA http://www.geocities.com/ttacva/
------------------
Kevin Irving
85 Trans Am WS-6, 305 TPI, custom burned '86 PROM with '87 "165"ECM, Accel Supercoil & 8.8 Wires, MSD 6AL, Aluminum Driveshaft, Wonderbar, TB Coolant Bypass, Ported Plenum, Modified MAF, Syclone Fuel Pump, JET Airfoil
15.556 @ 86.65mph, Nov 10, 2000.... I know it sucks.. but it will get better!
http://www.geocities.com/transam85tpi/
Member - The Tidewater Trans Am Club, Norfolk VA http://www.geocities.com/ttacva/
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