Popular Hot Rodding Magazine, December 2006, THE X FACTOR, p 75, David Vizard.
He back to back tests a SBC 383 with Holley Strip Dominator and the Weiand Tunnel Ram and the tunnel ram won across the board from below 3500 to 7500 rpm.
Using the Comp Cams solid flat tappet cam of 288 x 106 LSA
The peaks = 4bbl 488 lb/ft and 561 hp.... the tunnel ram 501 lb/ft and 573 hp.
The 4 bbl made 395 lb/ft at 3500 rpm, the tunnel ram made 415 lb/ft at 3500 rpm.
Back to back test.
Not on the web site yet, that I could find.
mutiples..... site going nuts?????