Thread: Cosworth cams
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Old 09-12-2007, 09:06 AM   #5
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Member#: 44034
Join Date: Sep 2003
Chapter/Region: NESIC
Location: Maineish
2006 Global Cooler


The lobes are not made of anything. The whole camshaft is cast with no grinding or shape. Then they are ground to predefined specs, lift diration... and then later hardened.

I would also ask about break in. There are instructions along the lines of put the motor at 1500 rpm for 5 minutes etc etc.
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