strokersquid Posted October 24, 2006 Report Share Posted October 24, 2006 im trying to get big bore 22 or 23cc domes to fit a cool head. i see them on ebay but the sellers often say they cant tell if theyre big bore or not ( i have 68mm cubs ). is there an easy way to tell ? Quote Link to comment Share on other sites More sharing options...
badassbanshee479 Posted October 24, 2006 Report Share Posted October 24, 2006 on a set of standerd domes there is a o-ring groove machined into the edge of the dome, on the big bore dome the groove is moved out to where there is only a half groove and when you install it into the head it makes the other half of the groove. here is a 18cc big bore dome. look at the oring groove on the egde of the dome. now here is a 19cc regular dome look close at the o ring groove on this dome and you will see what I am talkin about Quote Link to comment Share on other sites More sharing options...
strokersquid Posted October 25, 2006 Author Report Share Posted October 25, 2006 thanks for the pics !!! now i can tell thanks for the pics !!! now i can tell Quote Link to comment Share on other sites More sharing options...
badassbanshee479 Posted October 25, 2006 Report Share Posted October 25, 2006 glad I could help! Quote Link to comment Share on other sites More sharing options...
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