I sent you some info... whatever you do end up using, be 100% sure the gearset is based on the 1.76 style carrier... the 1.82 based sets are generally NOT going to live well with the power you have at that weight! They're fine for non-transbrake or very light cars, but that's about it.
http://www.oldanimotorsports.20megsfree.com
Oldani Motorsports, dealer for TCI, JW, BTE, ATD/Hipster, Comp Cams, Jesel, Stef's/B&B, Jomar, etc....