Where it is leaking from is where the domes slide into head theirs no o ring their and the head itself is tightened to spec is it common for the domes to be slightly warpedto cause a leak? The tors is long gone and i took the pipres off to get more room working on the trans problem and gas and oil poured out of the misfiring cylinder maybe its a spark problem related to the rollover need to see if its getting spark