Pushrod was sitting in guideplate, rocker was twisted off to side doing nothing. Screw in studs with guideplates & dual wound valvesprings. No clacking was heard when it was running with #2 dead. Exhaust not that loud.
My buddy called me and I told him how to adjust valves once he bought a new pushrod and adjuster nut.
After he adjusted all the valves, compression on #2 came back, compression on #5 went away. He pressurized the #5 cyl and heard air escaping from the exhaust. So he backed off the nut and the exhaust leak stopped. When he went to adjust the valve 1/2 turn past zero lash, the exhaust started passing air again and lost compression.
So he started it up and set the valves again with it idling. He said if he adjusts most any valve past 1/4- 1/3 turn the cylinder starts missing. When he did get it adjusted to 1/4 turn, he let it cool. He says when the motor is cold it runs great, but a few minutes later one or more cylinders go dead and the motor loses power.
Weak valve springs?
Any other ideas?
chip
PS- Holy combustion batman--- Did any of these motors have solid lifters????
