CAM Damage

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Apr 13, 2022 | 09:34 PM

#21

gsflyer2011

Drifting

Joined: Jul 2011

Posts: 1,825

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From: Boca Raton Florida

Something got stuck between the cam and the lifter. The side facing the cam was abrasive. That could be the only explanation?

Apr 14, 2022 | 10:17 AM

#22

grinder11

Race Director

Joined: Oct 2004

Posts: 12,864

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Quote:

Originally Posted by Turbo6TA

I can't see how the heat treating of the cam was not done properly on just that one lobe ... If the cam was not heat treated properly, it would effect all the lobes. Heat treating is done across the whole cam (not one lobe at a time).

And if it was do to a 'bad core', there would be more damage than just that one lobe.

So, what do I think happened? .. Since you stated that the lifter that rode on that one particular lobe had no damage at all ... I'm stumped !

This may be an old school thought, but some cast iron cams used to have lobes that were 'flame hardened'. That said, it could still be some defective steel in the cam core, and isolated to that one area.

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