Big Power!

[futrcumminsownr]

I am also looking at running a silverbullet.

 

[Bponci]

I made 634 with a 64.80-71.

 

[SEOHPowerstroke]

Don't forget about a tranny...you'll need a built one. 600hp is easily reachable with a a 12v.

The tranny is fine. It's an NV4500 and he says he has a dual disk on the way. That will hold way more than 600 RWHP.