Thread: piston question

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all the 781 i used were less then 122cc on chamber you say bowl works been done that will not play with chamber size for cc less they have been reworked .you did not say what amount of money you want to spend so a budget i lke speedpro581cp10.2 with a 118 cc head or Icon piston 1c779/ktd 9.5 with a 119 cc head dome .190 -18cc 2618 alloy . or ICON Piston FHR 1c9919/'ktm 9.6 with119cc head a 200 dome -18.3cc alloy 4032 .many other brans i use mahle .SRP .wiseco .others and up to 800 a set. so the ones listed are the best for value . when i machine and build a bbc or any engine i start were head cc is at or when machine work is all done make it to the cc i need . were piston is in the block adds to were you could be for CR .the block could been deck ? need to know were the deck is . the block can be off i check and deck with a BHJ tru-deck plate on engine and mill to deck height i use a FeL 1017-1 is 10.5 cc fire ring 4.540 or the Fel 1037 is 9.7 cc . watch the 1037 part number as it needs added 1/2 to 5/8 water holes drill the deck of the older mark 4 blocks if boosted then cometic comc5816-040 fire ring 4.320