Originally Posted By Thumperdart
5 psi and no more and stays there past 7000r's and that's the WB gauge to help sort out the idle, transition, cruise and wfo......... thumbs


What size needles/seats should I run on a 4150 950 carb at 5psi?
I have a decent fuel system with return line.

1970 Challenger, all aluminum 528 Hemi, HDK suspension, Tremec 5 speed manual