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I have talked with John Cope some and his recommendation for an auto is the 4I80e trans. The 6I80e can do it as well but the 4I80e is lighter and can be built for 1000+ hp. I don't know what if any trans tunnel work is needed though just yet.
Surprised someone has not mentioned the Passion 5 speed yet. I guess the power handling is an unknown at this point too.
Old motor has FI and so will the new combo. Thinking it will handle the lower rpm's on a cruise if the T56 is in 6th. I didn't think about that point though. 528 cubes with fully ported RPM's and 11:1 cr. Cam is on the large side with lift about .7 on the intake. Duration is reasonable in the 264 range.
Damon
The Passon still isn't real yet. I think the price is worth it, when it gets to the users finally.
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