KiwiRS4 Logs

B6/7 S4/RS4
#1

Did a few logs this morning and want some feedback regarding if they look right for my car and mods.

Details are:
Elevation 131 ft
Temp outside 59deg f
Std car weight, myself and a couple of kids car seats around 200 pounds
93 octane
Half full tank

Mods to car are,
JHM 93 tune, piggies, custom 2.5” catless resonated exhaust.

Run 1
https://drive.google.com/file/d/0BwAYocYW-vDjbV9QSnY0U1hGTXc/edit?usp=sharing

Run 2
https://drive.google.com/file/d/0BwAYocYW-vDjaWNOM0laNkJOdXc/edit?usp=sharing

Let me know what you think. I looked for engine torque in adv measuring blocks but didn’t see it.
I would like to graph the HP and torque if possible.

Cheers.

#2

I forgot to mention carbon clean done around 5k miles ago.

#3

Couldn’t see anything it wanted me to log into Google. How did the car feel. Did you just get the tune.

#4

Make it public maybe? Or screen shot it and post as JPEG

What’s you log

#5

I have made the files public, so you should be able to see them now.

#6

It says I have to download it. Is this a new to you tune or are you just checking to get others thoughts. How does the car run. before we look at the logs what are your thoughts.

#7

I have had the tune in for about a year now. Car runs fine, just after some thoughts if the data looks normal for what mods I have.

#8

I would need to download the file to do more calculations but you have a very good reading from the MAF and you can see the car is accelerating very fast.

The correction differences from one cylinder to another might show some effects of carbon or that you have reached the limits of the piggies. If you got the JHM 2.75 Dps you would see more of the corrections even out IMO. Thats what I have seen. the log looks great.

#9

Seems to me it is pulling too much timing. Despite a good ambient condition and BTDC above 30. Perhaps it needs another cleaning.

But i am a newbie so i guess the more experienced people can contribute more.

#10

This is the 3rd run I did. Looks more consistent between the cylinders.
https://drive.google.com/file/d/0BwAYocYW-vDjeEs5QkxNWDZwQ2c/edit?usp=sharing

#11

Log 1

2k-8k 619 rpm per second
3k-7.5k 633 rpm per second
164g/sec peak maf

All around good. As has been mentioned, the timing pull could be piggies… Or could be some other reason the car isn’t happy. Maybe not awesome gas?

I would try it again in colder temps with the best octane pump gas you can find to see if it makes a difference.

For perspective my car was around 560-570 rpm per second in 0 Celsius temperatures on 94 octane (Eur 99) when it was stock. That’s around -1000 feet of density altitude. And you’re already killing that at what is likely 1000-1500 feet of density…which is a difference of about 20hp alone (handicapping you)

#12

No its not an issue with really pulling timing. If the car is running fine the timing pull is telling you something but its never bad to see the car adjusting. When you look the first pull and the last pull the car has settled and is pulling less timing. And its running faster

When you look at the tempiture and you look at the mods it makes sense the car is adjusting what it is. The car is running fast when you start to crunch the numbers.

Better temps and a more free flowing Dps would help. But everything looks good and JHM Tuned impressive

#13

Thanks for the feedback guys.
I will do a run in the morning on the way to work when the temps are lower to see if there’s any big change.

Around Christmas I plan to remove the inlet manifold again and see how much carbon has build up since I last cleaned it. I did it at Christmas last year so will be interesting to see the difference.
Will also deflap the manifold and fit spacers.
At some stage I might remove the drivers side oil cooler, air box flap and fit a direct air feed into the box.

#14

expect better acceleration. But keep in mind that the piggies hold the car back a little

#15

I have just checked the operation of the air flap in the air box with vag-com.
It opens then gets stuck in the open position, the solenoid is trying to open and close it.
I had to push it closed. So looks like It needs a bit of freeing up.
I guess its better that its stuck open then closed.

#16

I did another couple of logs this morning after filling up with fresh gas.
The temp was 48deg f with around ¾ qtr of 93.
A lot better with not that much knock correction. The wife was the last one to put fuel in the car so may have put in 91 before.

Torque looks to peak at around 340 ft lb and HP 460.

Log 4
https://drive.google.com/file/d/0BwAYocYW-vDjdXBkeFdqdnRFc3c/edit?usp=sharing
Log 5
https://drive.google.com/file/d/0BwAYocYW-vDjNjhVNWR2eGRndmc/edit?usp=sharing

#17

Don’t get caught in the trap of calling it knock correction. The jhm tune will correct for tons of safe reasons. The corrections are for many reasons. That’s why I keep saying many times. If you know the car is healthy don’t worry too much about the corrections. They are a way of telling you the overall environment and it’s conditions.

#18

Ok, will think of it as timing adjustments.
Cheers.

#19

This’d be how it was explained to myself as well. While knock is one possibility of situations that can cause adjustments it’s not generally the major one. In theory knocking would go up as the air get colder and thicker.

As I understand it. The JHM tune adjustments are made by looking at several factors. Oil,coolant,exhaust, intake and ambient temperature. This is why they say it’s not a dyno tune and why when you’ve added better performance parts you’ll see better performance.

#20

yes and your car is moving quick. Great looking logs. That is an impressive power curve.

Yes very much.