Ok if I use these gaskets that is when I should gasket match my stock components right?
100-011 Tuned Port Gasket Set, Large Tube $18.00
Will these work?
Buy the way they are from TPIS.

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87 Z28 305 TPI, Auto, 2.73, Gutted air boxes, K & N fillters, SLP Airfoil, Dyno Max 3" cat back, Accel 8.8 mm spirals, Accel cap and rotor, Accel coil, rapid fires, and 170 Stat.
Best 15.414 @ 87.47.

[This message has been edited by new87 (edited January 09, 2001).]

 

Sure you can use those, but if they're larger than your components, you'll run out of area to port before you get to the edge of the gasket.

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West Coast GM Shootout 2001!
1991 Camaro Z28
5.7L 5-Speed (originally 305)
13.25 @ 107.18 MPH
Southern California
Member: SoCal 3rd Gen F-Bodies
Webmaster: SoCal F-Bodies
-=ICON Motorsports=-

 

I was also gonna ask this.... when gasket matching runners, what gaskets does one buy? Do you buy a regular sized set and cut the gaskets to make them larger?

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91 Trans Am WS6
Bright White
5.0 TPI auto
Flowmaster 3" 2 chamber catback
Trans Go shiftkit
2000 stall converter

Built on Wednesday

[This message has been edited by MrJ (edited January 09, 2001).]

 

I used the stock gaskets with the stock runners, and the large tube gaskets with my large tube runners.

 

That didn't answer anything. You stated the obvious. The question is, when gasket matching, it wouldn't make sense to use stock size runners, if you want to enlarge the runner openings. They are the same size as the stock runner openings. Therefore, you'd need larger gaskets, whether you buy them or enlarge stock sized gaskets.

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91 Trans Am WS6
Bright White
5.0 TPI auto
Flowmaster 3" 2 chamber catback
Trans Go shiftkit
2000 stall converter

Built on Wednesday

 

What I meant was, the stock runners dont have enough area to port-match to the large runner gaskets...