What gaskets to use for ported intake

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Jan 9, 2004 | 05:05 PM

omcrider

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Joined: Mar 2003

Posts: 864

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From: Oakland Ca.

Car: 1988 GTA

Engine: 5.7L/L98

Transmission: 700r4

What gaskets to use for ported intake

I just got some Edelbrock runners, I plan on doing some porting to the plenum and runners when installing. I was going to buy some new gaskets. My question: Is there a set of gaskets on the market maybe from TPIS or something that has larger than stock dimension cutouts already that I can then use as my guidline for marking and porting? I will probably siamese the intake slightly also. Any suggestions?

Jan 9, 2004 | 05:07 PM

llvll4l2c91350

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Joined: Jan 2003

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TPIS makes a set. it's what i used when i had my SLP runners ported/siamesed.

Jan 9, 2004 | 05:20 PM

D's89IROCZ

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Joined: Jan 2003

Posts: 1,931

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From: Ontario, Canada

Car: 1989 IROC-Z

Engine: 5.7L EFI LTR setup

Transmission: T-5 World Class

I think they are the Mr. Gasket 146 's that I ordered ...they are the enlarged TPI runner gaskets .....

Summit has them

Jan 9, 2004 | 07:01 PM

TPIgirl

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Joined: Sep 2003

Posts: 204

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From: Fairview Heights Illinois

Car: 89 Irocz

Engine: 350TPI $6E

Transmission: 700R4

I found some gasket material at the store and made my own.

Jan 10, 2004 | 01:55 PM

D's89IROCZ

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Joined: Jan 2003

Posts: 1,931

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From: Ontario, Canada

Car: 1989 IROC-Z

Engine: 5.7L EFI LTR setup

Transmission: T-5 World Class

I think the 146's are under 20 bucks ..... and are good for " matching" ...and the are the same material as yours .... just depends ...on what you need them for I suppose