You need to purchase the CD for the 124, it is in there. All of it....How to time, and how to set it up from a mechanical start to finish. I just looked and it is job 140 in the CD #2 for the Body and accessories.
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Benzmac:
Donnie Drummonds
1992 500E (very soon I hope

1981 280GE SWB
ASE CERTIFIED MASTER AUTO TECHNICIAN
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