AW: [DML] Speedometer Calibration
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AW: [DML] Speedometer Calibration


you are right on.

The speedo also has a fine adjustment thing to recalibrate it.
No magentical resetting needed if it is just slightly off.

Another possibility to reduce the shown speed is to turn the
"U" shaped sheet metal a bit away from the magnet and reducing the
magnetical force by that.

But to recalibrate it some test equipment is needed. I took from work an
optical tachometer and a very precise and adjustable motor to built a test

I had to do this because one of the PO's had a 140mph decal installed and
tried to calibrate it but was way off.
Together with an EXCEL sheet / diagram I could see very nicely what
changed when varying somthing.
The whole job isn't too hard, but you need a precise motor with adjustable
and a good tacho or the readings afterwards may be spot on at exactly one
but nowhere else.

Elvis & 6548


You are correct when you are talking about the speedometer. This part is
driven by the rotating magnets. I was refering to the odometer which is a
direct drive system. Isn't it? It's been a long time since I've seen a
DeLorean speedo inside.... Correct me if I'm wrong.

Tom Niemczewski
vin 6149 (in Poland!)

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