we caught this engine just in time before total failure. customer was complaining that the oil light
would randomly flash on with no pattern to it what so ever.
only through having lots of experience with these engines I knew exactly where the fault would be.
and yes the hex drive key was worn so I replaced it like for like with the 77mm drive, I know the 100mm is available and would in the long run be a better option but we had both choices in stock depending on how bad the drive was.
the car is now running perfect with stable oil pressure.
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