Quote:
Originally Posted by owdlvr
... the advantage of a stock sized pulley shouldn't be overlooked!
Dave
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I used a 356 top pulley and that brought my ratio to a very reasonable 1.3:1 which was enough for that engine to cool the heads (CHT).
All 911 engines are dry-sump from the factory...
They are also shuffle pinned, use aluminium cylinders and..and...
Just look closely what Porsche did and you go a long way in making a strong and reliable engine
