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Help with electronic speedo


RB26powered74zcar

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Do you want to keep the stock guage? If not you can probably use one of the electronic speedometers on the market.

 

Most of us LT1 guys are using a 5" Autometer speedo. It will work under the following parameters:

• Pulse rate generated proportional to vehicle speed.

• Output within the voltage ranges listed below:

4.0 to 16 V peak (Square Wave), 3 wire

2.0 to 120 V peak to peak (Sine Wave), 2 wire

 

It would be nice if you had access to an oscilloscope to verify the output is within these parameters, however I'd bet it will work.

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