Yup, that is also something I have thought of doing. I do have a spare
cheapo tach that I bought to check against the Smith one. Once I get the
Smith out and see what it looks like inside I just might try a internal
swap. I would like to stick with a original, but we'll see what works out
the best.
tnx
George
> Possibly you could get a new or used generic aftermarket tach, rip out its
> circuit board,
> and install it in the Smiths tach?
>
> Doug Braun
> '72 Spit
>
>>Hello...
>>
>>The Smith electronic tach in my '78 is in need of replacement. At 3500rpm
>>it
>>is reading 4500 and it varies. I know that there is suppose to be a
>>calibration adjustment on the back, but the PO told me that It had died
>>once
>>on him and he repaired a cracked PC board in it and also replaces a few of
>>the
>>capacitors. Apparently it is using a op-amp chip that is either unmarked
>>or
>>does not translate into a common number and there was also something about
>>it
>>not having a standard 8, 14, 16 pin configuration.
>>
>>So if someone has a known good one that they are willing to part with or
>>if
>>there is a schematic out there somewhere I'd like to hear about it.
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