Won't be the head that's lifted was running upgraded head bolts with the first head then that dropped the cups but on rebuild with the second head used stock just to see what happened but its got the exact symptoms as the other head with the shot cups we'll soon see what's gone of and if its the head again a may well just build a super head with different pre cups in but see what happens
or just knock all the cups out and put hdI pistons in and run it di
or just knock all the cups out and put hdI pistons in and run it di