W's are more popular and have a better aftermarket, but the 4-bbl Cleveland will mop the floor with it. That 351 will go into the T-bird, but You'd be better off with a 302 or a 351W.
J.T.
2002 Chevrolet Silverado 294ci V8. Custom CAI, headers on the way...
1997 Mercury Mystique Zetec ATX
Deceased February 2006