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Old 11-06-2019, 02:33 PM
Dust Dust is offline
Senior Member
Join Date: Mar 2007
Location: Frankfort, Kentucky
Posts: 227
Default Re: Which step for avoiding detonation on 87?

Originally Posted by rotrex View Post
All water injection that actually does something, i.e. provides a high enough water to fuel ratio, needs a retune.
Without adapted ignition timing, it will actually reduce power.

You could add a FMIC spray as an alternative. This won’t require a retune.
Flexfuel is also a good choice.
FMIC is behind AC condenser. That is why people have problems with knock. I guess I could cool the AC condenser.
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