Try the aluminum V8 from a Rover. It's almost a direct copy of the old 215 cubic inch Oldsmobile F-85 V8 from the mid-1960's, and it's much smaller and lighter than the usual Chevrolet small block that hotrodders on this side of the pond think is the only option.
Jerry

"It is better to be silent and be thought a fool than to speak and eliminate all doubt!" - Abraham Lincoln
Cringe and wail in fear, Eloi- - - - -we Morlocks are on the hunt!
There is nothing noble in being superior to your fellow man; true nobility is being superior to your former self. - Ernest Hemingway
Love your enemies and drive 'em nuts!