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| | | | Joined: May 2009 Posts: 134 Wrench Fetcher | | Wrench Fetcher Joined: May 2009 Posts: 134 | 1941 gmc 248 , zenith 28av11 percolates the fuel from the bowl into the throttle area. any tricks to stop this .
I like fixing stuff.
| | | | | Joined: Apr 2006 Posts: 48 'Bolter | | 'Bolter Joined: Apr 2006 Posts: 48 | I have heard that you can make a carb spacer out of a hard wood to insulate the carb from the hot intake manifold. I would try a half inch spacer and see what happens. If you are afraid the wood could be a fire hazard (about a thousand to one shot I think) you might try some sheet pcv cut to size. You also might try opening the hood after you stop, to let the heat escape faster. And last I have heard the ethanol mix gas (which runs perfect in my '49 6400) has a slightly lower boiling point. | | | | | Joined: Sep 2001 Posts: 29,269 Bubba - Curmudgeon | | Bubba - Curmudgeon Joined: Sep 2001 Posts: 29,269 | Do you have an approximately 5/8" thick non-metallic insulator plate between the carburetor and the intake manifold? Has the carburetor been rebuilt recently - the float level and/or the needle valve/seat might be culprits. One of the carburetor pros will post useful questions and suggestions. double-posted: https://www.stovebolt.com/ubbthreads/ubbthreads.php?ubb=showflat&Number=650890#Post650890
Last edited by tclederman; 05/30/2010 4:32 PM. Reason: double-posting noted
| | | | | Joined: May 2009 Posts: 134 Wrench Fetcher | | Wrench Fetcher Joined: May 2009 Posts: 134 | there is a 1/4" thick fiber type deal. where can I get this 5/8 thing. thanks kat
I like fixing stuff.
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