Cam, Fuel Pump Q....

40Pickup

40Pickup

Senior Member
59AB engine, std. cam (I believe). Holley 94.
Q..... Have #1 Cyl, at TDC, are fuelpump push rod at its highest point?
I think, I have some problems with the fuel pump, only 1.5 psi / lbs, new diaphragm!

Thanks Jorgen
 
The push rod rests on the cam lobe, the lift should be .200 I've checked the lift many times but never noticed where the piston is. Walt
 
I think pressure is dependent on the strength of the spring in the pump as well as the stroke of the push rod. Also, you might want to examine the check valves in the pump to be sure neither is leaking. FWIW. Good luck!
 
Thanks guys for your comments! Walt, yes i have .200 "lift.
What I wanted to check was that the pushrod does not bottom out in the fuel pump, some bad noise came from there (sometimes) at idle!

Thanks Jorgen
 
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