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handcranking torque?

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Old Jul 17, 2008 | 06:54 PM
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yellow72f100
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handcranking torque?

How difficult should it be to turn over a 302 by hand with all the plugs out? A lot of resistance, medium or smooth? Thanks.
 
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Old Jul 17, 2008 | 11:37 PM
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shoudnt be too hard because your making no compression
 
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Old Jul 18, 2008 | 12:16 AM
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It's all relative, but I'd say "medium." While you may not be making compression, you're still fighting the valve train.
 
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Old Jul 18, 2008 | 07:53 AM
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It also depends upon the year of the motor and how well it was running, an older motor with a flat tappet cam will require considerably more TQ than a roller motor to turn, and if the motor was running rich it won't leave much oil on the cylinder walls and this will increase necessary cranking TQ.
 
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Old Jul 18, 2008 | 09:15 AM
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It takes a 1/2" breakover bar to turn the 302 in my truck.
 
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