I have a 96 accord 4 cyl auto vtec and I have the factory service manual.
There is no mention of calibration of this unit that I can find.

Hopefully somebody can answer your question

"Charles Lasitter" <check.sig4@ddress.com> wrote in message
news:Xns9633B9F009034clncdmcom@68.1.17.6...
> "halo2 guy" <somewhereovethe@rainbow.com> wrote in news:kO-
> dnWBqgosB0sXfRVn-uQ@comcast.com:
>
>> To answer your question I have to ask you a question.
>
>> What is your end goal here? What are you trying to do?
>
> Change the speedometer reading, if necessary.
>
> -- CL.
>
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