Quote:
Originally Posted by BrantyB
To fit the 4" pulley you'll have to shave off part of the TDC (top dead centre) boss which is a hollow alloy protrusion cast into the crankcase. It is used to fit a TDC rod when locking the camshafts as part of the IMS replacement procedure.
That is my understanding.
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aaah, yes, this is true. Thanks for helping me connect the dots, hehe.
However, at least in my case, enough remains of the 'boss to still use the pin. Regardless; there are other means of finding TDC, and locking the crank, if IMS replacement is desired. But a "fancy-pants" shop may not be willing to work outside-the-box like that. So consideration might be appropriate.