What RAM clutch did you get? I've got a PowerGrip HD in my Valiant behind a 300hp 340, and it works great. Plus, I've had good dealings with RAM's tech dept. The PG HD kit I got from Summit, and it engages smoothly and holds tight on my 3600# (with me) Valiant. Sticky tires ahd 3.23's out back.

Clair