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Old 09-17-2003, 10:30 PM
GDJ GDJ is offline
Registered User
Join Date: Feb 2003
Posts: 20
engine identity problem

1986 420 SEL with dubious history and mileage...but runs fantastic....until yesterday when I started the car and got a slight rev and then a chain grind type noise and the engine shut down.
Upon careful restarting, I seem to have a missfire and a selection of noise from the left side front valve cover.
I am assuming the worst, until I get this valve cover off.
An MB mechanic friend stopped by and remarked on the 560 engine in the there a way to positively identify a M117 engine from a M116?
Where are the serial #'s located et all? Other visual cues?

Thanks in advance
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