I did mine a little different than what Wise describes, I think the floor was too high. Dyno testing proved that the plenum was too small. Still, it picked up over 35 horse compared to the Vanke Mod.

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[img]http://i.imgur.com/boeexFms.jpg[/img]
31 Plymouth Coupe, 392 Hemi, T56 magnum
RS23J71
RS27J77
RP23J71
RO23J71
WM21J8A
I don't regret the things I've done. I only regret the things I didn't do.
"Wise men talk because they have something to say; fools because they have to say something. ~ Plato"