Posted by El Toro on November 07, 2007 at 08:31:55 from (205.188.116.73):
In Reply to: 1942 H posted by G.V.J. on November 06, 2007 at 13:46:56:
You need to bring No1 piston near the radiator to TDC on the compression stroke. Remove No1 sparkplug and hand crank the engine until you compression against your thumb drop a large handle screwdriver on top of the piston and watch the piston rise until it stops. Your timing marks should be aligned, rotor should point to No1 plug tower and both valves should be closed.
Did you install new sleeves, pistons and rings? If you only installed new rings and didn't measure the ring gap when the rings are pushed down in the old sleeves could be the reason for low compression. The sleeves may be worn. Set the valve lash to .020" cold to make sure they have enough clearance. Hal
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