Have you ever considered one of the factory Chevy powered Canadian Pontiacs?.
The best of best worlds may just be a B-Body Poncho w/ a factory Chevy W-Motor or MK1V Big Block between the rails!.
A very cool but until recently unknown fact is the last W-Motor car GM ever built was a P

NTIAC!!!
Canadian of course!.
Check out the fun going on over at the Canadian Poncho site!.
http://canadianponcho.activeboard.co...18110&p=35

~ Pete