Replace 273 with 318 poly and mechanical lifts

318 Poly will not fit.

the 273 was designed to fit the 1963-66 Abody,
it was based on the too wide old 318.

sell the 318 poly, and find a newer 318.That will fit without much problem.

Is your car an automatic?

http://fox302.com/index.pl?s=vf&use...cavemanmoron&file=crankspacerinfofrombook.jpg