Re: Overtorqued head on Super M

Posted by Mark on December 17, 2003 at 16:50:06 from (161.184.176.119):

In Reply to: Overtorqued head on Super M posted by Tim Malin on December 17, 2003 at 12:16:02:

It would take some drastic uneven and high torqing methods, plus extreme high temperatures from working to even come close to warping or cracking the head. We are talking a massive peice of cast iron here with a low commpression engine, not an aluminum head with massive porting and 12 to 1 commpression. Not rocket science to working on these engines. If you have any amount of mechanical skill you tightened the head in an acceptable pattern and judged the torque to be in at least the ball park. If it was drastically over tightened you would have broke a head bolt, way undertorqued you would develop a combustion leak into the cooling system the first time you work the tractor. If you are worried get a torque wrench and retorque in the proper pattern and don't forget to reset your valves. The service manual says to do this anyway after 45 min of run time. If anything you are only 1 step away from completing the job correctly. I would not loosen any head bolts, only tighten if need be.

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