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Shankmeyster
Senior Member
Are you running a tune or stock?
V3N0M_VZL4
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Under what conditions is the KC value is increasing? Are you using 93 octane gasoline? the car is 100% stock?
cryptolime
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I'm havin
I'm having the same issue. You ever figure it out? Always light throttle, 5th or 6th gear, just cruising on the highway. Not even driving hard. Usually up to .54-65. But I've even had it spike to .84 once.
SuperDave
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I have Phearable with Ktuner tunes on my 2024 Hatch and my 2025 Si. The hatch knock control rises quickly after pulls. Over .80. The Si however rarely goes over .50. Maybe .6 but that's after several pulls over and over of aggressive driving. I'm on 91 octane here in SoCal. Maybe try a different tune or do what I do on the hatch. Every other tank add 1 gallon of E85 on a full tank of gas.
cryptolime
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i have an Si and my KC will rise a ton if i'm going above 5k rpms. how high are you revving in your pulls? i guess you probably have artificial knock control rise disabled.
SuperDave
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It's the phearable 1.5R tune for Si. 91 octane version. Ran that for a while and now have a downpipe and had them revise the tune for DP. Knock control was same b4 and after downpipe and re tune.
I redline the crap out of my car often lol. With the DP and muffler delete, that redline makes an amazing popping noise like gunshots.
Might be worth trying a different tune. I think they are $200? Would recommend TSP or Phearable as most do.
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