Quote:
Originally Posted by jusme
I would guess it's an 81-83 engine. The pickup is at the front of the engine. What's odd is the tach works smoothly, very fluid. But, it's the speed that's registering too fast. Now, someone mentioned an adjustment screw on the tach circuit board. Is this the case on an 85 W123? I'd love to address it from that angle if it's that simple. I can get it close by ear. Well, closer.
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The only way to find out is take the cluster out and find out. Please take pics.
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85 300D turbo pristine w 157k when purchased 161K now
83 300 D turbo 297K runs great. SOLD!
83 240D 4 spd manual- parted out then junked
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