01-02-2014, 11:04 PM
Fella you've gotta grow yourself some balls and whip the head off, completely strip and rebuild it with the correct torques and a polish while you're there. With the rebuilt head, the manifold, a full service inc plugs/leads/dizzy cap etc, when the vvc kicks in you should feel the pick up and hopefully have your horses back
the smokey old bus that sounds like a tractor...