Im also running a ZZ4 engine, but with a Holley 670 SA carburetor and a carter mechanical fuel pump thats internally regulated @ 6psi w/o the need for an electric pusher pump.... what mechanical pump are you using?
Im also running a ZZ4 engine, but with a Holley 670 SA carburetor and a carter mechanical fuel pump thats internally regulated @ 6psi w/o the need for an electric pusher pump.... what mechanical pump are you using?
