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How will you hold 14:1 compression with the top 4 cylinder head bolts removed??



I ran my 416 at 14:1 with cometics and ARP studs with no problems, it is still running great for the new owner after 4 years and around 500 or so passes.

70 duster full chassis super pro 416 CNC Indybrock heads 727 w/brake

best so far 1.212 60 6.219 in 1/8 at 110.88 9.768 at 137.81 1/4