I just read about these in N2OMonsters thread. Please educate me. Can they work with an MSD 6AL only, or is more electronics needed? Will they work with a Holly EFI ECU? What is the best system?

[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"