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Main : Mechanical Timing cover damage 01

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Timing cover damage 01
Timing cover damage 01Popular
SubmitterLittleFireyOneMore Photos from LittleFireyOne   Last Update2010/1/18 0:23    Tell a friendTell a friend
Hits2057  Comments1    0.00 (0 votes)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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Poster Thread
Posted: 2015/5/5 23:56  Updated: 2015/5/5 23:56
Joined: 2001/5/3
From: 48 North
Posts: 31575
 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.