Quote: ..i was told that the internal design only responds well to a strong vacuumm signal. ... not for long duration cams
Ran one on my 440 with a .590, worked great (I do my own jetting though). Its now on my Duster with a 5.9 magnum.
I run a pair of them on my 572. Cam is 285@.050". They idle great with the stock primary calibration and 2 steps up in the secondarys. Power? It's been 9.25@147, 3340lbs. Doug
