Re: How can tech me use hfs4-v2
PI-R is set by user according to their preference.
Spray by Boost only ........ PI-R fully counter clockwise
Spray by IDC only ........... PI-R full clockwise
50/50 ........... PI-R at 12 pm.
Most of the time leave it at 12pm. You really need to go to a specific forum to ask the members. We only provide the system but do not know how to tune the car with it.
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Richard L
aquamist technical support
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