M111 Camshaft differences pre facelift vs facelift

hey all, I've recently bought a cheap M111evo engine head to mess around with and see what the differences are. I was honestly surprised to see that the lobes on the exhaust cam are slightly separated for each cilinder bank (this is not the case on the pre facelift engine) Exhaust valves open unevenly: There... M111 Camshaft differences pre facelift vs facelift

hey all, I've recently bought a cheap M111evo engine head to mess around with and see what the differences are.

I was honestly surprised to see that the lobes on the exhaust cam are slightly separated for each cilinder bank (this is not the case on the pre facelift engine)

Exhaust valves open unevenly:

There...

M111 Camshaft differences pre facelift vs facelift

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