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Camshaft cross compatibility for Mack ASET AC engine


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Hey guys I was wondering if one of you Mack gurus with access to part number information could help me out.   I’m needing to replace the camshaft in my Mack with the aset ac motor. I have a GC5247 cam in it now, but I have access to a reconditioned cam with part number GC4268.      Can anyone tell me the differences between them? Will the reconditioned cam be a drop in install and work with my engine?   Please help! 

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They were both for non-engine brake or powerleash brake engines with ceramic lifters. Both can’t be used with Jacob’s engine brakes . The 5247 is the later camshaft for use with Step 4 engine software 

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