Quote:
Originally Posted by J-Mech
Ahhhhhh...... "engineering" programs. Gotta love 'em.
100,000lbs. huh. I must be a lot stronger than I though, because I've twisted a lot of them out with a short handle rachet before......
You go right ahead and do it that way if you want, but in the words of Jerry Clower..... "I ain't gonna do it!". 
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big difference between torque (twisting) and pulling (pressure). If we crank the engine without supplying fuel or ignition (so there's no combustion), the compression stroke of the piston produces a modest pressure peak (perhaps 120 PSI) right at TDC. On the other hand, if we provide a combustible fuel/air mixture combustion causes the pressure to build to a much higher value - typically 800 PSI in a normally-aspirated engine. Just sayin. Oh, by the way thanks for the discussion, I appreciate your view and you know your stuff.