Cam Bearings

tractorguyacb

Local Diesel Nerd
Joined
Aug 21, 2008
Messages
180
Hello all,
I have a quick question for the veterans on a 4bt build... All of the cam bearings measure up spec wise perfectly, however the front one is copper in color while the rest of them are a lead babbit color. Is this normal? It seems odd that one is off color wise but its right there spec wise. Spec is 2.1293 - 2.1318 and I'm sitting right at 2.130.

Any input would be greatly appreciated,
Thanks!
 
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