From: "Ian B. Crowe" <ian.crowe@sympatico.ca>

> who make the best probes?

Probes are so simple that you would have to work hard to make a bad one

>
> are they interchangable?

Probably not
>
> would the skysport probes i have work with the computerized engine
> monitors?


Depends on what input is used to drive the meters.  Sky sports uses an
oscillator which converts to millivolts to drive the simple meters
>
> can the probes be changed through the wheel well without removing the
wing?

Very much doubt it there is not the room to withdraw the probe

>
> do they fail often?

Cannot tell you, hope not as I would have to tear the wing apart to get it
out
>
> do the seals leak?

Why should they if properly installed?
>
> are they accurate?

Mine are.
>
> stable?

Very