Originally Posted by b19 dfp

the thing is it may be fine but with all that boost you run the head will be moving around on the block and sooner or latter it will crack the block face and if the hg does goe it will make a bigger mess than if studded as the std head bolts loosen before the hg starts to leak badly and can cause detting,its all ifs and buts but hey ho it works now just worry about it when it goes wrong...



cheers danny