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Timing cover damage 01
 LittleFireyOne  2010/1/18 0:23  Tell a friend
 2087  1  0.00 (0 votes)
| the other timing cover I could use. minimal corrosion but damage from foreign (< that spelling makes no sense!) particles or the water pump blades in the cooling system |
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| ddgonzal |
Posted: 2015/5/5 23:56 Updated: 2015/5/5 23:56 |
Moderator   Joined: 2001/5/3 From: 48 North Posts: 31594 |
 Re: Timing cover damage 01 Those pits are no problem. It looks like it happened long ago, and since has been washed clean.
I suspect electrolysis from running plain water, or maybe high-RPM cavitation. Using a stock water pump (with the cast impeller) is said to prevent cavitation -- the stamped impeller of cheap water pumps allows shock waves to build up at over 5000 rpm. Dunno if that actually occurs or not.
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Mechanical