If I end up having a stuck valve, what is involved in repairing such a calamity? I know it depends on what exactly is wrong, but is pulling the head one of my only choices? Methinks so.... Nate '81 '84 -- Email LIST problems to: scirocco-l-probs@scirocco.org. To unsubscibe send "unsubscribe scirocco-l" in the message to majordomo@scirocco.org