Originally Posted by BradH
I'm going to notch the top of my flow bench fixture to have the option of testing both ways.


I notched mine many years ago & it did make a difference, I don't remember how much .

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