Pro Topline heads w/ TPI & HSR?
08-30-2003, 12:39 AM
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Car: 88 GTA
Engine: 355
Transmission: 700R4
Axle/Gears: 3.23
Pro Topline heads w/ TPI & HSR?
Just wondering if the bolt patterns will match up to those heads. I have the heads now and have my stock TPI but probably getting a HSR. Will both of those fit without any modifications? IF they do need to be modified then what will I need to get and do? While Im at it....(Ive asked this in another post), but which of these intakes will work best with my setup? It is a 355 w/ 180cc Pro Topline heads and a ZZ4 cam. The stall is a 2000-2200. I think I will have a ton of torque with the heads and cam but I still want some topend power so should I port the TPI intake or go with a HSR? What do you guys think?
08-30-2003, 08:51 PM
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Car: 1986 pontiac TA
Engine: 360 HSR
Transmission: 700r4 3300 yank converter
Axle/Gears: 3.27 9 bolt
yes it will fit both heads. click the green banner to get other questions answered.
Last edited by mrr23; 08-31-2003 at 12:35 PM.
08-30-2003, 11:48 PM
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Car: 88 GTA
Engine: 355
Transmission: 700R4
Axle/Gears: 3.23
Maybe you didnt understand my question or maybe you just wrote it wrong. Im wondering if the stock TPI and/or the HSR will fit on the Pro Topline heads. Could you clear your answer up and is there any modifications that need to be made to make it work?
08-31-2003, 12:34 PM
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Car: 1986 pontiac TA
Engine: 360 HSR
Transmission: 700r4 3300 yank converter
Axle/Gears: 3.27 9 bolt
yep i see what i wrote. i meant to say yes the HSR will fit w/o modifications. depending on year of TPI 85-85 fits no prob. 87-92 will need to either get an edelbrock base or elongate the four center intake bolt holes to match the 90* angle. the 87-92 are 72* angle.
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