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peabrain · 2019-05-23 11:33:46

The best part of the MCM mod is that it is free :D

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May 28, 2019 | 06:06 PM

#31

peabrain

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Joined: May 2016

Posts: 269

1st Gear Member

The best part of the MCM mod is that it is free

May 28, 2019 | 08:01 PM

#32

Klxster

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Joined: Jun 2013

Posts: 3,315

From: North Texas

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Last edited by Klxster; Jun 9, 2019 at 07:10 PM.

Jun 7, 2019 | 03:06 PM

#33

jhampshire

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Joined: Feb 2019

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From: Illinois. It was a nice place when I moved here 40 years ago.

Cam balance

Quote:

Originally Posted by Dominic Caselli

Might that cause an imbalance that wipes out your bearings? The piece that was there had to be balanced. Cutting it off without any way of knowing how it's going to react seems risky. I know it's small, but it's job is to spin like crazy...

I had the same question. Here is my opinion.

If anything was going to throw the cam out of balance it would be the lobes which are both pointing the same direction for obvious reasons. The bearing surfaces are very large in order to carry the intense load of compressing valve springs. So I think the minor imbalance from removing the KACR is not an issue.

The best way to wipe out cam bearing surfaces is to run out of oil or fail to change out dirty oil. Another way is to habitually rev the motor after a cold (dry) start. Next best way is to over tighten a manual cam chain tensioner or to mess with the automatic adjuster. Otherwise I would not worry about it.