Dave's Evo X Build/The Life of Dave blog

[cmspaz]

I am not sure how scared I am supposed to be of the knock I am seeing.
Only time I ever see the fast light is off the rev limiter. That would be enough right there to get me to switch back to the other tune and not use it again until it can get some Shane attention.

[Murlo26]

Only time I ever see the fast light is off the rev limiter. That would be enough right there to get me to switch back to the other tune and not use it again until it can get some Shane attention.

I've seen the fast flashing on the DD tune too though. Mostly when its very very cold though.

So yea, no idea.

[mlomker]

I've seen the fast flashing on the DD tune too though. Mostly when its very very cold though.

Could just be the pistons flopping around if the car isn't up to temp. I get the same thing.

I saw my share of KnockCEL when I was at the track last time. In my case I know what it is...fueling.

[Murlo26]

Could just be the pistons flopping around if the car isn't up to temp. I get the same thing.

I saw my share of KnockCEL when I was at the track last time. In my case I know what it is...fueling.

Yea mine isn't fueling for sure, but not having boost error correction on could be the culprit, perhaps boost spiking and running lean I guess?

[scheides]

I've seen the fast flashing on the DD tune too though. Mostly when its very very cold though.

So yea, no idea.

What are you doing boosting your car when its not up to temp? That's a no-no man!

Yea mine isn't fueling for sure, but not having boost error correction on could be the culprit, perhaps boost spiking and running lean I guess?

You have a MAF, more boost = more airflow = higher MAF voltage = more fuel :)

[Murlo26]

What are you doing boosting your car when its not up to temp? That's a no-no man!



You have a MAF, more boost = more airflow = higher MAF voltage = more fuel :)

No way, i wait for the temp gauge to be at least 1/4 full before I boost, not doing that.

I mean just the ambient temp is very cold.

I know I have a MAF, but it seems to be knocking a fair amount...the DD tune during the day seems solid though. I was simply implying that maybe the error correction being turned off has something to do with it. I am going to be at DB later so i will talk it over with the master. Maybe we can log it too.

[mlomker]

Did Shane mention where your IDCs were at with the 1400's? I'd assume there's a fair bit of headroom remaining. I'm just curious if the 1300's would be enough for an E98 tune on a Black.

I wait until my car is at full temp, which is half-way on that temp gauge.

[Murlo26]

Did Shane mention where your IDCs were at with the 1400's? I'd assume there's a fair bit of headroom remaining. I'm just curious if the 1300's would be enough for an E98 tune on a Black.

I wait until my car is at full temp, which is half-way on that temp gauge.

Not sure about the IDC's, I know we had enough fuel though, as in the injectors weren't a concern, so I would think that's a maybe on the 1400's.

I believe Shane before said that 1400's were good for 540whp on his dyno, roughly.

[Kracka]

I wait until my car is at full temp, which is half-way on that temp gauge.
Same. Put-put-put with slow, gentle, shifts until my car is at full operating temp. This gives my drivetrain and transmission a chance to warm up too (this is why letting the engine sit and idle then beating on it directly from the garage is a bad idea).

[scheides]

I just checked your log from the dyno day, ~82% IDC at 7500rpm and ~87% IDC at 8886rpm. 2 counts of knock @ 2900rpm on one pull, i.e. nothing.