Carburetor gasket leak - Team Camaro Tech
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post #1 of 4 (permalink) Old Mar 2nd, 10, 01:46 PM Thread Starter
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Bubba
 
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Carburetor gasket leak

Got another rookie question about carbs.I usually don't post a question without attempting something atleast twice but after replacing my gaskets twice i must be doing something wrong. i have an 870 street avenger sitting on top of an 1 inch spacer this is the gasket that keeps leaking. i have been using just the cheap gaskets, spectre or mr. gasket.....that may be my problem... i have been coating both sides with permatex spray a gasket sealer.....was told this was the way to do it ???is there a better sealer or another material i might could try that may have a diffrent result? Thanks....
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post #2 of 4 (permalink) Old Mar 2nd, 10, 06:43 PM
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Steiner
 
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Re: Carburetor gasket leak

Are you putting a gasket on both sides of the spacer as is required? I used the cheap Mr. Gasket ones with no sealer and they worked fine on a phenolic spacer and 670 Street Avenger. Also do not tighten the nuts on the carb studs tighter than 10 ft lbs or the spacer might try to deflect. Snug them down in a criss-cross pattern a little at a time.

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post #3 of 4 (permalink) Old Mar 3rd, 10, 03:14 AM
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Re: Carburetor gasket leak

In addition to Steiner's suggestions, are the mating surfaces wide enough to seal all the plates?

Is the manifold too skinny its not mating correctly to the carb base plate?
Are both surfaces flat? use a steel rule on edge across the surface of both planes and should be no light showing through the junction. Across both corners?
If the surfaces are bowed, you can take a bastard file and draw across the surface to flatten it.
Believe or not, masking tape works well as a gasket.

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post #4 of 4 (permalink) Old Mar 15th, 10, 09:48 PM
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Re: Carburetor gasket leak

Quote:
Originally Posted by BiGBuBBa View Post
Got another rookie question about carbs.I usually don't post a question without attempting something atleast twice but after replacing my gaskets twice i must be doing something wrong. i have an 870 street avenger sitting on top of an 1 inch spacer this is the gasket that keeps leaking. i have been using just the cheap gaskets, spectre or mr. gasket.....that may be my problem... i have been coating both sides with permatex spray a gasket sealer.....was told this was the way to do it ???is there a better sealer or another material i might could try that may have a diffrent result? Thanks....

Is one side of the carb spacer solid flat and the other have openings between the walls? That is most often the case with spacer leaks.

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