| From experience, with the engine inverted put the crank in on the oiled journals. It should spin freely. Now place one cap at a time and finger tighten the fasteners. There should be no difference in the force needed to spin the crank. Next, torque each cap up, checking the crank spins freely inbetween each one. You should find the crank spins quite freely with all main bearing caps torqued up.
When you come to put the rods and pistons in, please remember you have compressed the rings to get them into the bores, Therefore the crank will no longer turn freely. The more pistons you put in, the greater the resistance you will feel when you try to spin it over.
You could try turning the pulley wheel over with a torque wrench and measuring the torque needed. If you post it on here I'm sure someone will be along with a comparison reading of theirs. FWIW, mine, a Ford 400 with cam chain, no hydraulic followers in (yet), neoprene seals, can be turned over with about 50ft lbs of torque.
Hope that's of help to you
Graham
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Trying to find time to work on the Cobra between feeding, entertaining and nappy changing! |