himata13 Posted June 21, 2012 Report Share Posted June 21, 2012 alright so i have a brand new 408 motor i just put on my truck with a bunch of power add ons. i went to start the truck and it did like 3 times for about 30 seconds at a time. lateer i tried starting it again but the motor was turning super slow. we charged the battery and still not luck. i took all the belts and nothing! then, i took all the plugs out and still nothing. i saw a bit of smoke coming out of the stater so we thought that was it. when the starter was removed we notice the fly wheel was very hard to turn by hand even with the spark plugs out. we removed the torque converter and the transmission spins freely but not the flywheel. with all the belts off and the spark plugs out it is tstill hard to turn the fly wheel. any ideas? Quote Link to comment Share on other sites More sharing options...
Krambo Posted June 21, 2012 Report Share Posted June 21, 2012 Can you expand on "hard to turn"? Even a stock flex plate will be hard to turn in my opinion. Quote Link to comment Share on other sites More sharing options...
Cramer Posted June 21, 2012 Report Share Posted June 21, 2012 Is the flexplate flat on both sides or dished? Quote Link to comment Share on other sites More sharing options...
himata13 Posted June 21, 2012 Author Report Share Posted June 21, 2012 flat on both sides it is really hard to turn! took me about an hour an a half to rotated to get the converter off. Quote Link to comment Share on other sites More sharing options...
chpspecial Posted June 22, 2012 Report Share Posted June 22, 2012 Sounds like the crank mains where not line honed Quote Link to comment Share on other sites More sharing options...
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