Quote:
Originally Posted by jpnovak
There is a rebuilt 901/13 in the classifieds right now. Correct with 6:29 CWP.
Worth a look.
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I’m going to assume the reason his client thinks he wants a 915 is they are adding power and need strength. The 6:29 (stock for a 69 912, but not stock for the 901/13) is weaker than the standard 7:31. Porsche used them for hill climbing and rally back in period and would toss them after one race weekend. I would be looking for just a plain stock 901/13 and then strengthen it with a new bearing plate and side cover.