Brainstormin' 440 vs 5.9 ...

318willrun said

"Yes" ... as in the raise compression/piston not so far down the whole? Or yes, they are the same slugs I already have..

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The 1263 series would be '68-'72 series, .057" taller, ......knock about 14cc's out for You....I don't have an industrial listing in this catalog, but I know it did show extra-short low squeeze 'teener truck 7:1 slugs....did not for the 440 so.....