how can u tell ???
#1

good evening every one !! have a question for u !! fixing to buy some 243 heads !! sourpose to be milled and ported 0.30 !! question is how will i now if the work has been done ????? is their any way of telling ?? thanks !!
#2
Really the only accurate way is to measure the combustion chamber but you can get a good idea with a digital caliper. Stock heads measure around 4.755", I just measured mine and they came out to 4.728" and mine have been milled .030"
Last edited by probuilder1; Jan 18, 2013 at 01:23 PM.


