[fred cook]

Is there any material difference between the con rods used in the 1974-77 911S and 3.3 ltr turbo engines and those for the 1978-83 SC engines? This question is prompted by the fact that I have a set of rebuilt and balanced rods that appear to be either 74-77 911S or 76-77 930 rods which I would like to use in a forthcoming 3.3 SS engine build based on a 3.0 SC engine. The measurements all appear to match those for the SC rods but I don't want to make an expensive mistake!

Thanks,