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Originally Posted by Dieselwrencher
It definitely looks nice Jud!
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Thanks Ryan! Its a refreshing change from the condition of some of the 67-72's I save from the crusher.
I also feel good about the frame after measuring the thickness and looking at the size of the main rails. Its quite a bit more substantial than I thought, looks like the moment of inertia is higher than the dodge cummins trucks. This frame is about 10" tall under the cab!! Its probably 3x the moment of inertia of say a 67-72 K20! Remember the moment goes up to the 3rd power (exponentially) with section height. Double the height and the strength goes up by a factor of 8
. The stresses from towing with 3000lbs of tongue weight are more to be concerned about than even 900 ft lbs from a diesel. If the frame rails are 3' apart, that amount of torque is only putting 300lbs force on each rail, not much at all really. More torque comes out of the trans but the frame is larger at that point.