I am rebuilding a 350 SBC. The engine was taken care of well and rotated just fine, however when i’m trying to reassemble the lower end and I have one rod cap that once torqued prevents the crank from spinning. Now I should say, i kept the same rods with the same cap, there is no chance of mix up, this is original rods and crank also. I have also plastigage it and is in spec, ive even switched the cap to another rod and it locks up the crank, i torqued all the other caps to 40ft lbs and then 45, however anything over 22ft lbs on this particular cap will not allow the crank to spin no matter what rod in any journal. Is it somehow warped? What is the deal and any ideas on how to fix this!!! I need to fix it so i can finish up rotating assembly.
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