need help with my log

[adrian2627]

hi, this is my first log pull at 19psi. mods are listed in my profile. just need to know if this is a good run or not. thanks

RPM,Timing,O2 1 Bank 1,O2 Trim
3051.0,24.0,0.78,7.81
3133.0,20.0,0.28,6.25
3152.0,17.0,0.8,8.59
3191.0,16.0,0.84,0.0
3238.0,15.0,0.86,0.0
3285.0,14.0,0.86,0.0
3297.0,12.0,0.88,0.0
3348.0,11.0,0.88,0.0
3395.0,9.0,0.9,0.0
3441.0,9.0,0.9,0.0
3480.0,9.0,0.88,0.0
3539.0,9.0,0.88,0.0
3578.0,9.0,0.88,0.0
3633.0,9.0,0.88,0.0
3688.0,11.0,0.88,0.0
3730.0,11.0,0.88,0.0
3848.0,10.0,0.88,0.0
3898.0,8.0,0.88,0.0
3938.0,9.0,0.88,0.0
3984.0,9.0,0.88,0.0
4023.0,9.0,0.88,0.0
4082.0,8.0,0.88,0.0
4129.0,8.0,0.88,0.0
4164.0,8.0,0.88,0.0
4211.0,8.0,0.88,0.0
4258.0,8.0,0.9,0.0
4316.0,9.0,0.9,0.0
4344.0,9.0,0.9,0.0
4410.0,9.0,0.9,0.0
4445.0,9.0,0.88,0.0
4484.0,9.0,0.9,0.0
4516.0,10.0,0.9,0.0
4633.0,10.0,0.9,0.0
4660.0,10.0,0.9,0.0
4707.0,10.0,0.9,0.0
4734.0,10.0,0.9,0.0
4785.0,11.0,0.9,0.0
4848.0,10.0,0.9,0.0
4859.0,10.0,0.9,0.0
4930.0,10.0,0.9,0.0
4941.0,11.0,0.9,0.0
4988.0,11.0,0.9,0.0
5051.0,10.0,0.9,0.0
5063.0,10.0,0.92,0.0
5121.0,12.0,0.9,0.0
5242.0,13.0,0.9,0.0
5270.0,14.0,0.9,0.0
5305.0,14.0,0.9,0.0
5414.0,14.0,0.9,0.0
5426.0,14.0,0.9,0.0
5473.0,14.0,0.9,0.0
5504.0,15.0,0.9,0.0
5551.0,15.0,0.9,0.0
5570.0,15.0,0.9,0.0
5605.0,15.0,0.9,0.0
5652.0,16.0,0.9,0.0
5676.0,16.0,0.9,0.0
5715.0,16.0,0.9,0.0
5734.0,16.0,0.9,0.0
5773.0,16.0,0.9,0.0
5809.0,16.0,0.9,0.0
5844.0,16.0,0.9,0.0
5879.0,17.0,0.9,0.0
5941.0,18.0,0.9,0.0
5977.0,18.0,0.9,0.0

 

[JayRolla]

You need to add fuel to where you see the timing dip. You have lots of knock and it starts real early. Turn the boost to about 15psi and start from there.

 

[dave99gst]

is everything the same on the car as when you did your dyno run? IF so you must be pretty close to a good tune- 296 AWHP is pretty good. It does look like you should be
able to get a little more timing.

 

[adrian2627]

so what should i do? i mean is there such a thing as perfect timing curve? mine dips but they are not dramatic dips like from 12 down to 5 then up again. as i can tell mine goes 8,9,8,8,9,8,10,9,11,12...something like that, is that a bad thing? does it have to be a perfect curve going up? im confused

 

[JayRolla]

Yes there is such thing as a perfect timing curve. The ecu pulls the timing when it sees 3 or more counts of knock. You have small dips accross the whole timing curve indicating knock. Once you the timing drops from the boost it should slowly climb to 18-24* without any dips at all.

 

[adrian2627]

so what do i do? add fuel about 1% on the entire rpm band?

 

[JayRolla]

I would lower the boost and see if it helps smooth out the curve. You are knocking really at low RPM. Start at 15psi, do a log, add 1% to where the timing dips if it still does. Then add 2psi and add fuel where the timing dips and see if it helps.

 

[adrian2627]

ok, i will try that tonight and see if anything changes. thanks for the help guys! im planning to set my low at 15 psi and high at 20 (if thats even possible) thanks again