Carb Spacer?
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Laughing Gas
Joined: Jan 2002
Posts: 1,008
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From: Tucson
Carb Spacer?
I will be installing my rebuilt 390 pretty soon (.030 over, some head work, pretty rowdy cam and headers). I'm using an Edelbrock RPM Performer manifold and an Edelbrock 750 cfm carb. Do I need a carb spacer on this or can I just bolt the 750 directly to the manifold? Thanks.
jor
jor
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Joined: Jan 2003
Posts: 8,600
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From: Iowa
Well, without the spacer heat soak becomes a problem. Basically what happens is, on a hot day, you go somewhere and shut the engine off. 15 minutes later, you come back out and the motor is flooded. What has happened is, the gasoline in the float bowl has boiled off, and went into the intake. With a carb spacer, the carb stays a little cooler, and the gasoline doesn't boil.
I've also seen a thick (like 1/2") foam rubber type gasket that can be used.
So I'd run some kind of spacer, preferably a short plastic one. You dont need a real huge one.
I've also seen a thick (like 1/2") foam rubber type gasket that can be used.
So I'd run some kind of spacer, preferably a short plastic one. You dont need a real huge one.
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