 Sandlbasted Cam Journals WTF |
 Feb 28, 2016 - 11:43 AM
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Enthusiast  Joined Jan 22, '06 From Savannah, GA Currently Offline Reputation: 1 (100%)  |
So I took my head to the machine shop to be decked and cleaned.
Got the head back today, pulled the cams out and the Cam Journals were Sand blasted. The polished finish is no more. Can these be repolished or am i completely screwed? Why would anyone do that to begin with? 
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Mar 2, 2016 - 12:04 AM
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Enthusiast Joined Mar 11, '06 From Way South Chicago Currently Offline Reputation: 0 (0%) |
If that was glass beaded then it may not be OK, glass beads shatter when they hit and the shards can embed in a soft metal like aluminum. Over time that could cause issues, not to mention the surface of the metal is now not the same finish as it should be or as the caps, aluminum bearings need to be pretty smooth to hold oil pressure to get the right oil film. But I'd be more worried about glass beads and shattered glass beads hiding in the head somewhere. Our heads never have journals blasted when we get them back from the machine shop, they just tank the heads and do the machine work as needed.
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Posts in this topic
6G94celica Sandlbasted Cam Journals WTF Feb 28, 2016 - 11:43 AM
Bitter Photos? Feb 28, 2016 - 12:04 PM Tigawoods Complain and have them polish them Feb 28, 2016 - 4:22 PM enderswift QUOTE (6G94celica @ Feb 28, 2016 - 12... Feb 29, 2016 - 1:57 PM 6G94celica Its really irritating, I havent checked them with ... Feb 29, 2016 - 10:53 PM Smaay im going to say they didnt sand blast them. they m... Feb 29, 2016 - 10:58 PM Tigawoods I guess thats a question that needs to be asked. D... Mar 1, 2016 - 7:18 AM Smaay my place uses beads. im not sure what they are mad... Mar 1, 2016 - 10:30 AM Tigawoods glass would be super hard to clean out of the head... Mar 2, 2016 - 7:21 AM Bitter Never be surprised by the stupidity of others. Jus... Mar 2, 2016 - 8:09 AM Smaay i bet it was porcelain beads. quit worrying abou... Mar 2, 2016 - 10:55 PM
6G94celica QUOTE (Smaay @ Mar 2, 2016 - 10:55 P... Mar 4, 2016 - 9:10 PM Bitter Yea, I dunno. Our heads never come back looking li... Mar 4, 2016 - 9:26 PM 6G94celica It didn't get a valve job, seal was checked pr... Mar 4, 2016 - 10:02 PM |
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