Re: what 3 guages?
If you go with a scan gauge then go scan gauge, water temp and fuel pressure...
can not see fuel pressure or water temp so...
Without the scan gauge I would go oil temp, water temp and fuel pressure.
oil pressure is another one the factory PCM
can not see, so you can think of that one as well...
The HPO gauge is a neat toy, but day to day, not needed.
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