Posted by Steve@Advance on June 24, 2017 at 08:19:10 from (66.169.147.211):
In Reply to: Timing issue posted by BigK on June 23, 2017 at 23:03:07:
Since the timing marks are off, you will need to get some idea where TDC is. This can be done by feeling the position of the piston with a wire through the #1 spark plug hole. This won't get you exactly at TDC, but close enough to know what is going on inside the engine. Pull all the plugs so you can easily turn the engine. Hold the wire in the cylinder and feel the top of the piston come up as you hand turn the engine. As the piston nears TDC, you will feel the crank turn more freely as 2 pistons will be up, and 2 down, so at the moment it crosses TDC/BDC, there will be no piston movement, thus the crank will turn freely, the wire will be at the highest position, and starting back down as the crank crosses zero. Just turn it back and forth, feeling the wire and the slack spot , and you will be close enough to TDC.
Read Hobo,NC's reply carefully. That will determine if the cam timing is correct. By watching the #4 rocker arms, you will know #1 is in TDC firing position.
Static time the distributor by rotating the housing opposite the direction the shaft turns until the points just break when the rotor is pointing at #1 cap terminal. Or if a magneto, the impulse should snap at TDC when the engine is rotated clockwise, rotor pointing at #1.
Were the valve adjusted following reassembly? Might check them again, then once again after the head bolts are retorqued after initial start up.
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