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FWIW .23mm is close to 1 degree of cam timing. So going from 1.26 mm to 1.00 mm (1 degree retard) on the 964 isn't much. The SC330 cams are usually timed at 1.8mm.
1.7mm is a good setting for the SC in a turbo application. With higher boost levels going back to 1.2 or 1.4 makes sense.
I like your solution to the pump drive issue Bill. I wonder if drilling the holes a little bigger for a larger diameter pin is worthwhile?
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John Dougherty
Dougherty Racing Cams
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