hi, been a while...

going to the track next weekend and now I have this weird problem I'd like to solve.
It has been 2 years since I played with these on the track:


Full throttle acceleration starting from ~3...4000 rpm (AFR around 13). VTEC kicks in at ~ 5000rpm (AFR jumps close to 15), but hi-cam map activates around 5600rmp (AFR close to 13 and power is back) ?
I can easily feel this. I can also see this from LC-1 AFR display. I clearly see this in the Log chart. I am using LogWorks with LWPGMFI-plugin.

Crome settings:
idle 750 rpm
vtec 5504 rpm
secondaries somewhere ~4600rpm
Knock sensor disabled
ELD disabled (or enabled, makes no difference)
Barometric disabled (or enabled, makes no difference)
- not using any plugins (except for quickDL+RTP and that checksum thingy?)

EDIT: Did more research just now. It is a GLITCH (or some weirdy thing) in the ECU, which triggers the VTEC too early ?!?!
I will include a snapshot of the log later, it is clearly shown there. This is actually an old problem, which I have not payed any
attention before.
Maybe I can figure this out by myself, since now I know what to look for...

 

Here is a picture of the logfile. Starting from 5000 rpm, 2 extra "glitches" of
VTEC control signal can be seen. Anyone seen this before?

 

Have tested this further.
When changing VTEC engagement rpm in crome, the problem just gets worse... just more glitches in the log file.

Could I please have any comment on this... even if it is smthng like "too bad for you"

I am assuming, that those extra spikes should not exist?

EDIT: most probably noisy signals from distributor to the ECU and/or grounding issue... working on it...