Cylinder head machining option for 2007-2018 Mack MP8 Diesel Engines

The AERA Technical Committee offers the following information concerning the possibility of surfacing 2007-2018 Mack MP8 diesel cylinder heads. The SOHC design of these engines limits the possibility of surfacing the cylinder head deck without providing for a means of adjusting the gear to gear backlash.

The camshaft design of these heads incorporates individual camshaft towers to mount the camshaft to the cylinder head. Spacing those towers away from the cam idler gear after machining the cylinder head deck will maintain the proper gear to gear backlash.

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