All Pro has some bitchin heads for that and Procharger has a bitchin new cog belt system for that and you better run the F-1. Call me monday and I can set you up with the bracket system, it is pretty slick.
We are going with a 427, World LS7x heads, still working on rotating assembly, and a D1SC to top it all off...
World heads have a different bolt pattern. And they barely flow 300 cfm, compared to the real LS7's 370cfm. I've got one of them blocks too, been waiting for GM to realease the heads for 2 years now.
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Thanks,
Jeff Schwartz SchwartzPerformance
Where classic style meets modern technology.