Crazy Vette
#3
Racer
From research on the forum, 615 +/- a few is the safe number without having to change internals.
#4
Moderator
And about 650 for pistons.
#5
I'm Batman..
Pro Mechanic
Member Since: Apr 2014
Location: Lehigh Acres FL
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Tech Contributor
Auto or manual? eLSD or not? I have a base M7 (no eLSD) and I threw 850whp to mine without breaking anything but I have a friend who is stock and snapped axles at the track. YMMV.