Quote:
Originally Posted by AFazakerley
......Then i put the head back on and did the same thing. Now i know having the rings against the walls adds friction but i found it fairly hard to turn the crank by turning the clutch plate with the gears.....
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If you left the spark plugs in place, your hand was working against the compression of each cylinder.
Either way, the springs of the valves create an important resistance if the timing chain is installed.