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3.2 Porsche engines are very, very tough. My guess is all the ventilated crankcases were "rebuilt" engines.
My recollection is Porsche suggested changing the rod bearing cap bolts/nuts with new hardware when changing rod bearings. Don't reuse the old hardware..those rod bolts don't like to be torqued much more than once.
Change out the rod bearing hardware and have the rod big ends checked and trued at a machine shop.
You "could reuse" the hardware on the smaller 911 engines..like 2.0, 2.2, 2.4 and maybe the 2.7...certainly not the 3.0 and 3.2..best not take any chances with your engine.
If the rod bolts and nuts are reused..there is a chance of this sort of problem.
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