Originally Posted by
J1mbo
Sweet, we never had heads lifting, just pushing the spark plug centre out and cracking due to the head design which no one can do anything about as with another head more power would be easy!
Yea lee had exatly the same problem lolol. But after cutting a head up and seeing how close it was the a water jacket we can see why :O. Yet after a hell of allot of tric machining that ive been Sworn to secrecy to keep quiet we dout this will be a problem any more. (Hence the carbon cover over the coil on plugs to stop people peering into the recess) lolol