4crawler's exactly right. Insidious [email]mother@#!*%![/email] that one is <img src="/forums/images/graemlins/ignore.gif" alt="" />. No leaks/oil-coolant exchange either in my case. A good shop found it by pressurizing a cylinder (#1 here) and watching the bubbles come out of the choke heater hose. BTW, the engine just ran like crap!


'80 4X4 Longbed