Roger, if you have an alternator, I don't see why you would need that big group 24. 900 cranking amps from the little 4 and 1/2 lb, $350 ATX 20 is more than enough for any racing engine. Unless you are ice racing in Beulah North Dakota when it's 30 below.
[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"