Hondata

I saw the thread about the 2011 civic si stock tune that saw a considerable amount of knock. I'm having the exact same issue.

I very recently got hondata and turned off rev hang, and changed throttle gear compensation retard to -100 on the completely stock basemap, and have been running it purely for the driver experience.

I'm a completely stock motor, with the k&n carb legal sri, and a mugen catback

Everything else is stock,

I noticed for the first time when doing a pull onto a freeway on ramp, that I heard a faint ticking sound which sparked all my red flags especially now that i'm no longer 100% stock, I messed around with the hondata app and saw that I had a considerable amount of knock. Over 60-70 counts within a 20 minute drive.

I've been very cautious about my knock count, learning the ins and outs and what causes it. I've done my due diligence and started to cross off possibilities. My "knock level" never goes past 4, and I notice that even with light throttle/heavy throttle, knock will jump 3-5 counts just from touching the throttle.

I've changed spark plugs, did a compression test, ordered a brand new oem knock sensor (my old one was destroyed which I initially thought was a culprit, but even after changing it I've gotten less knock but still 20-30 counts within a 45 minute drive instead of getting 80+)

I ordered a new valve cover gasket which is coming next week, i'll be down a valve adjustment to rule that out aswell, and if all else fails i'll end up taking off my stock injectors, getting them flow tested and cleaned.

Update: I went back to completely stock factory tune, and I'm getting a lot less knock, my most recent drive was from school about 45 minutes and got 8 counts of knock.

Here is my datalog from the first initial moment I saw the knock.
Please help me figure out what the issues are, and if i'm missing anything.

Thank you :)

Please post the calibration file as well and I can take a look at it.

-Ed

Here is the calibration. Everything is completely factory stock besides rev hang disabled and ignition retard gear compensation.

Thanks

Here is the new knock datalog. Stock factory basemap.

CalibratEd wrote: Sun Jun 15, 2025 9:22 am Please post the calibration file as well and I can take a look at it.

-Ed

This is the drive home from school today, with over 40 counts of knock on the 2007 CIVIC SI stock factory basemap.

Reduce you timing in Non Vtec VTC 30 20 10. Also double check that you don't have anything rattling. It seems most of the knock is being detected by cylinder 2 and 3.

- Ed

Here is the file with timing reduced by 4 degrees.

- Ed

Heres an update with the new datalog. Massive improvement on knock control and knock counts have shot down. Still 1-3 knock from a 30 minute drive of somewhat beating on the car, but 1-3 is a lot better than 45 counts driving conservatively.

I've been getting pretty high knock counts again, not as crazy as before but it's still there.
The highest count ive gotten since the new tune was around 20 within a 1HR drive.

Heres from a 10 minute drive home from the gym with just normal daily driving traffic.
Four counts.