Boostane fuel trims

[marcom0705]

Hey all, I had a question for any of you that run boostane or any other octane booster in your car. I have a Single turbo on my 2019 5.0 and am currently tuned on pump gas but I add a can of boostane professional every other fill up or whenever I'm going to drive it aggressively. I've noticed though that my Long Term Fuel Trims will go leaner when I add the boostane in the tank. Usually just running pump gas alone LTFT sit around 1-4% at idle and when I add boostane it will sit around 7-10% at idle. Cruisng and WOT are fine, fuel trims are pretty close to zero. Is that a normal thing with octane boosters? Causing the long term fuel trims to sit higher

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[Cory S]

I use Boostane every tank. I’m logging whenever I’m driving. LTFT’s fluctuate a little, but it’s literally nothing to even bother watching.

 

[marcom0705]

I use Boostane every tank. I’m logging whenever I’m driving. LTFT’s fluctuate a little, but it’s literally nothing to even bother watching.

I honestly never watched it till recently when I was logging for knock. I noticed my LTFT before I added boostane was pretty low and then it went up after I added it. It did help get rid of my knock though and added timing so stuff works great. But if it's really not a big deal I'll just leave it alone

 

[Bluelightning]

Not a big deal. If it's getting rid of knock, and adding timing, it's doing it's job.

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