compression on a 318

Slantsix64 said

Actually the later roller cam 302 headed 318 had 9:1 compression. Right before the magnum block around 1986-1991

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When I replaced my original 69 318 heads with 302s I made sure to check the CCs on both sets of heads because I didn't want to lose any compression. As it turns out they were both the exact same CCs ( 59 CCs If I remember correctly).