Electric fuel pump recommendations?

DentalDart said
I dont like hearing this... i have been having fuel percolation/vapor lock issues... never had them before installing cam, lifters, cleaning the engine (internally). Added 1/2in spacer as well...

Hot vegas heat, hot asphalt, hot engine bay and the carb doesn't get the fuel.... my car has maybe 50 miles since the new parts all installed because percolating/ vapor lock issues.

I'm looking at adding an electric fp and running a return line as I dont know what else to do.... I'd love for you to share your wisdom with a young grasshopper who just wants to drive his car again lol. I really don't want to drop the gas tank in my garage for a the return line though. :(

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You said that you have added a 1/2 spacer.
Is that a black composite thermal spacer between the carb and the intake manifold? Or something different?
You will need to put a fuel pressure gauge in line between the pump and the carb for trouble shooting. Taking hot and cold reading will give you some indication of what going on, especially when it locks up.
Fuel pump may be weak.
Try to avoid the little cheesy fuel pressure gauge that thread mounts inline, they are very inaccurate. Locate one that is on a whip hose.