Quote:
Originally Posted by tjts1
Is there any special considerations when having an om603 head resurfaced other than removing the prechambers and valves?
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Yes, according to the FSM you must use a thicker "repair" head gasket that restores the head-block separation to make up for the missing head material, and the amount of material removed is supposed to be equal to the thickness specified in the FSM (and equal to the increased thickness of the gasket).
The head does not need to be perfectly flat, per the FSM, so I'd make sure that a re-surface is even needed. Aluminum will allow a certain amount of flex when torqued down, more than what an iron head would.
02-28-2018, 08:45 AM
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