Quote:
Originally Posted by Shyguy
The problem you have were you have to crank the livin' sheite out of your truck to fill the Q'jet float bowl after it sets for one day may be because the gasoline is leaking out of the carb through some casting plugs. This has been covered on another thread.
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Ethanol based fuel boils at a much lower temp. What is happening is the fuel Is boiling and when it boils it expands. On a q-jet it boils up out of the bowl through the bowl vent and runs down the throttle bores. Edelbrocks have the same problems. The bowls are built into the main casting allowing them to absorb more heat. Holleys have the bowls " hanging out" with a air gap. This helps them to be more resistant. I would use a phenolic spacer and if the budget allows I would run a "air gap" type intake manifold. I have found up to 60 degree reduction in intake temp on past projects. So your extended cranking is because the fuel has boiled out and they are "dry" the next day. When its 20 so minutes later the intake is loaded with raw fuel so the engine acts flooded etc .Hope this helped. J
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