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'65 Rod Bolt Torque or Stretch

Engine

Vehicle Information: Model: 911; Year: 1965; Body Type: Coupe; Engine (type, size, modifications): 901/01 (T istons & cylinders); Total Mileage: 165,000;

I need to start assembling my engine. I would like to torque the rod bolts by measuring the overall stretch. The factory manual just says 5 mkp = 36.2 foot-pounds.Would you know where I can find specifications for tighteining the rod nuts by measuring stretch? I do have a 3 inch micrometer.The bolts I bought are Pelican/Porsche Part Number 901-103-172-00-M260 and are stamped "VERBUS" They look to be about 62 mm from the bottom of the head to the end of the bolt (about 65 mm overall). I can't find a Verbus web site.

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