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Choosing gasket material
#31
(10-17-2017, 04:12 PM)Support Wrote:
(10-13-2017, 07:11 PM)Air intake gasket Wrote: I ported my supercharger and throttle body and putting a special spacer between them. The factory gaskets won’t work anymore. What gasket material works best to seal the throttle body so I don’t have a vacuum leak? Thanks jay

Hi Jay,

Our rubber-fiber material or rubber-cellulose material would both be a fine choice for this application, so long as you aren't injecting methanol or anything like that pre-throttle body.

You can find the material specs, sheet sizes/thicknesses and part numbers here:
http://www.fme-cat.com/digipubZ/Fel-Pro-...?page=1300

Sorry I didn’t mention that but I am injecting Methanol. What material would you recommend?
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#32
(10-17-2017, 05:02 PM)Guest Wrote:
(10-17-2017, 04:12 PM)Support Wrote:
(10-13-2017, 07:11 PM)Air intake gasket Wrote: I ported my supercharger and throttle body and putting a special spacer between them. The factory gaskets won’t work anymore. What gasket material works best to seal the throttle body so I don’t have a vacuum leak? Thanks jay

Hi Jay,

Our rubber-fiber material or rubber-cellulose material would both be a fine choice for this application, so long as you aren't injecting methanol or anything like that pre-throttle body.

You can find the material specs, sheet sizes/thicknesses and part numbers here:
http://www.fme-cat.com/digipubZ/Fel-Pro-...?page=1300

Sorry I didn’t mention that but I am injecting Methanol. What material would you recommend?

Jay,

Methanol (as you probably know) is pretty corrosive. Our Karropak material is the most chemical-resistant sealing material we have, and is the only material that we would recommend with that in mind.

Specs can be found here:
http://www.fme-cat.com/digipubZ/Fel-Pro-...?page=1298

All of that said, this sounds like a fun project. What type of engine and what type of vehicle are you working on if you won't mind us asking...inquiring minds, you know what we mean?
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#33
It’s an 04 chevy Silverado with a 5.3l supercharged. The heads, supercharger and throttle body (from an ls2 90mm) have been ported. Custom grind cam. Long tube headers and 3 inch exhaust. Methanol injection system before the throttle body. An interchiller that cools the supercharger water to 50 degrees so it cools the air intake down.
Can you recommend a part number for me. Thank you
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#34
(10-17-2017, 10:18 PM)Guest Wrote: It’s an 04 chevy Silverado with a 5.3l supercharged. The heads, supercharger and throttle body (from an ls2 90mm) have been ported. Custom grind cam. Long tube headers and 3 inch exhaust. Methanol injection system before the throttle body. An interchiller that cools the supercharger water to 50 degrees so it cools the air intake down.
Can you recommend a part number for me. Thank you

That sounds like a seriously fun truck! How much power does it put down? The LS-based truck engines are very stout.

The part number for the sheet you would want depends on how thick you need the gasket to be. We offer a 4"x6" sheet of 1/32" thick Karropak, its part # is 3195. If 4"x6" isn't enough, the next options are 12"x36" rolls, 3045 is 1/64" thick, 3046 is 1/32" thick and 3047 is 1/16" thick.
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