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-   -   Olds 455 with holley 750 dripping fuel when shut off?!?!? (http://www.hotrodders.com/forum/olds-455-holley-750-dripping-fuel-when-shut-off-221978.html)

Deadmetal 07-22-2012 12:13 AM

Olds 455 with holley 750 dripping fuel when shut off?!?!?
 
Hey guys, I always seem to get some good answers on here when i have a problem. I put an olds 455 in my 52 chevy fleetline. I have a holley 750 double pumper. When the car gets warm and i shut it off fuel keeps dripping from the carb into the engine flooding it. I have a fuel pump without the return line on it. Is the fuel pressure too much without the return on the fuel pump? I am going to check the float levels tomorrow but i want to make sure it is not a problem that i am running a fuel pump without the return line since the stock pump has a return line on it. Running a return line is not an option since i have no spot on my gas tank for a return line.

cobalt327 07-22-2012 02:45 AM

Quote:

Originally Posted by Deadmetal (Post 1575853)
Hey guys, I always seem to get some good answers on here when i have a problem. I put an olds 455 in my 52 chevy fleetline. I have a holley 750 double pumper. When the car gets warm and i shut it off fuel keeps dripping from the carb into the engine flooding it. I have a fuel pump without the return line on it. Is the fuel pressure too much without the return on the fuel pump? I am going to check the float levels tomorrow but i want to make sure it is not a problem that i am running a fuel pump without the return line since the stock pump has a return line on it. Running a return line is not an option since i have no spot on my gas tank for a return line.

Make sure the gas tank isn't under pressure from heating up w/a non vented gas cap on the tank.

Deadmetal 07-22-2012 07:33 AM

Thanks guys i am gonna play with it today.

454C10 07-22-2012 07:51 AM

What kind of pump?

Should install an inline fuel pressure gage to see what is going on.

Deadmetal 07-23-2012 05:53 PM

All fixed up guys. Put a fuel pressure regulator on it and its good to go


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