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500sec vs 420sel DIFFERENCES??? Help! :S

671 Views 0 Replies 1 Participant Last post by  Rub1x
Hey guys, Happy new year! , I spent all of Christmas day on the side of the road as my 1985 500sec has done something very bad , most likely to do with the cam chain/guide/gear/cams.

Any how I have a 1990 420sel at work for parts and was wondering what engine difference there is between this engine and my sick 500sec 1985 motor , i know the electrics are different just by looking at it , so what alse is?

Help here will forever be appreciated!

Thanks and regards,
Reuben S.
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