Was the cam retaining plate in place? You could move the cam in and out or side to side and all around? The cam should move in and out very very little and nothing else, period. If it's hitting the timing cover, there will be obvious marks on the cover. The chain guide is plastic or should be. You should not hear anything from the chain running against the guide.
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Trey
Current ride: 2001 BMW 540iT soon to be manual swapped.
Former rides: 1979 Trans Am WS6: LT1/T56, Kore 3 C5/6 brakes, BMW 18in rims
00 BMW 540i/6: Suspension, wheels, and ACS bits.
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