Cuz of the dry and wet sump set up, I would go with the LS2, but I would call taylor with Mizfit Motor Sports a Later-g sponsor first (lets support sponsors first before we seek elsewhere is my moto). We could build you a much better 400+ with more power cheaper then turnkey and probably equal or better quality...
see the following and PM Taylor
Taylor Day
913-558-1100
www.mizfitmotorsports.com
[email protected]
"Ouroboros"
www.fquick.com/Mizfit
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Blessings,