cobravii Posted March 29, 2013 Share Posted March 29, 2013 Anyone have a source on dual quad carb kits numbers 3645S and 3646S?I have found one place that sells them but they have a leather accelerator pump and I am thinking I need a neoprene accelerator pump to work with ethanol fuel.Any leads would be greatly appreciated.BTW, a search of carb king turned up nothing.Thanks,Larry Link to comment Share on other sites More sharing options...
carbking Posted March 30, 2013 Share Posted March 30, 2013 Leather accelerator pumps are impervious to the ethanol, any percentage. Leather will work well.Neopreme pumps can give problems with ethanol.Some companies went to neopreme pumps in the 1960's, not because it has ever been superior to leather, but because it was/is less expensive.Jon. Link to comment Share on other sites More sharing options...
wildcat1562 Posted March 30, 2013 Share Posted March 30, 2013 i got mine right from auto zone$33 dollors a pieceGreg Link to comment Share on other sites More sharing options...
RivNut Posted March 30, 2013 Share Posted March 30, 2013 (edited) Leather accelerator pumps are impervious to the ethanol, any percentage. Leather will work well.Neopreme pumps can give problems with ethanol.Some companies went to neopreme pumps in the 1960's, not because it has ever been superior to leather, but because it was/is less expensive.Jon.Jon is being modest. Check out his website for ANYTHING related to carburetion. Carbs, kits, advice, service.THE CARBURETOR SHOPUnlike your local jobber, his kits are carb specific, not a universal Zip kit.You can find good, and you can find cheap but you can't find good and cheap. And I'm not saying Jon's kits are expensive either, they're just good. Why rebuild it, then have to re-rebuild it. Edited March 30, 2013 by RivNut (see edit history) Link to comment Share on other sites More sharing options...
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