Originally Posted by fast68plymouth
Question for you.......

I assume you’re using a return style regulator?

Is that in the back or up in the engine bay?

When you’re doing the pressure/flow test....... was fuel still returning to the tank?

If so, perhaps a different regulator might improve the situation.


The regulator is up by the carb, yes the fuel was returning, simulating as running pressure.
I am going check the regulator out.

1968 Charger COLD A/C Hilborn EFI
512ci 9.7 compression, Stealth heads, 4.10 gear A518 ODtrans 4100lb,10.93 full street car trim
2020 T/A 392 Stock 11.79 @ 114.5