Fwiw, whenever I dynoed anything with the 4150/4500 adapter "upside down", the results were never great.
I'm with ya there although I never tested it personally, I've seen some guys say it works but my logic sez how could it.........These were NOS guys but still, a clean n/a signal and tune equates to a clean NOS pass all things being equal...........
72 Dart 470 n/a BB stroker street car `THUMPER`...Check me out on FB Dominic Thumper for videos and lots of carb pics......760-900-3895.....
