Originally Posted by fast68plymouth
I don’t run EFI, but it would seem to me that if there was enough of a restriction in the filter to cause the pressure to drop to 8 psi, the pressure would start to fall off pretty much right after going to WOT.
Is that how it looks on the data log?


No, it waited till just after the 330 to start fluctuating & then by the 1/8 it was REALLY dropping , soon as I lifted its a stable 55 psi

Last edited by csk; 11/18/20 05:12 PM.
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