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so my block is almost done and im itching to get it back..im haveing problems finding out my compression ratio... its a 318 .40 over zero decked with speed pro 4 valve relief pistion's.. i found a set of edelbrock 60779 with 63cc chambers for dirt cheep new... also using a 273 stock...

so i have a 318 going .30 over would love to run edelbrock 60779 heads..but a bit out of budget or i can get some #302 rebulit heads for half the price.. what will the power differance be?? now i came across the kieth black kb399-030 pistons and kb167-030.. one set has domes ..which ones should...

so i plan on beefing up my 69 dart gt 273...i i have a spare 273 i want to start building but i have some questions want to achieve decent hp..im know 273 anrt the best producing motors but hey i have it so ill work with it.. so ill be using stock crank,it has forged pistons but the block isnt...