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Thread Title:

Need help on a BC3


Created On Friday November 07, 2014 07:59 Diesel Talk
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gatordoc903
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Posts: 20
Joined: Oct 2010

Note Friday November 07, 2014 07:59 View thread in raw text format
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I am working on a BC3 CPL633 that was changed to a CPL625 pulled it down because of coolant leaks from under the heads. I found 2 pistons with small cracks in the head about in line with the injector spray pattern other than that the piston skirts are like new. There is a lot of carbon build up on the pistons and heads. The liners are polished real shiny and after pulling them and seeing the pitting i think someone put new pistons on old liners i pulled cam followers due to leaking. I know when changing to 400hp the timing should have been changed, looking at the book they call for a different cam key. Do you have to change the key or can you reset the timing with the follower gaskets. I have the tooling for setting timing and have done it before.
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westcoast
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Joined: Dec 2008

Note Monday January 05, 2015 07:33 View users profile View thread in raw text format
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Anymore than 0.030 thou on injection timing you will need to change key or reverse it . If using cpl 625 always have fuel timing on the high side of spec Regards David

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detroit
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