I cant seem to keep this car from knocking its driving me insane it wants lower timing but I don't want to keep lowering it. Not sure what the issue is

but here is tonights pull log and pic of timing map

is there something im missing? 26 pounds of boost

log and map uploaded

Mods
Evo 9 turbo
272 cams
stage 2 transfer case
SS o2 housing
3" exhaust
injen intercooler piping + intake
2.5" intercooler
evo 9 bov
hallman boost controller

 

What kind of fuel are you using.. 93 or 91?
The log file looks strangely short & lacking resolution! Also, some peculiar AFR reading, jumping from 11 to 14 & then 18 (6000-6800rpm)!

I suggest that you verify knock through det cans.
If the knock is real then try to enrich fuel between 4200 & 5000rpm.

 

I just made it richer right now so we will how that goes ill post something later today

 

If your on 91oct, lower your timing at peak boost.

 

Check cam timing and I would also start logging knock voltage. What brand of 272s?

 

fuel pump or sock issues? how old is the Walbro ? was the sock changed at the install ? the log file is really weird. Did it hit boost cut or something in the middle because everything spiked low Anyway in the first half of the pull you are running lean 12.5 to high 11's close to 5000 rpm check the fueling system and fuel map for issues.

 

also check for boost leaks. i had one of my lower injector seals go bad and i was having very similar symptoms. weird fuel readings and knocking...

 

272 BC cams,

I tuned the car to from 2500- peak boost rpm "3750" for 12.5 afrs for quicker spool, then after that i taper the fule from 11.5-11.1 at 7k, i fixed the fuel.

But my car likes the 3 degree range range up to 4500-5000k ill post a pic of the rom tonight. But after that car runs great. Ill see if I can up it a dgree a knotch

 

I was running a similar setup to you and I can tell you now you need to richen up if this is pump. target like 11.2-11.5 is good I could do about 7* peak timing and taper up to 12*@7000 RPM also rescale your timing and fuel map if you are not revving to 9000 the more resolution the better and the smoother your timing curve will look and you will have less intrerpolation that way.(which I highly doubt you are on stock valvetrain) also rescale load too so you have more cells in the boost area for finer tuning. To me this looks like you are just trying to hard to spool it up too fast and the car can't catch itself on the fuel end. but there is no reason to run that lean
just opinions for you

 

not 26 psi but you get the picture

 

ok my car seems to love this setup for some reason

 

yea I have the same set up, so im guessing I can go up few degrees but I was always taught to increase the timing never keep the same degrees for so long because it could potentially knock. But I not having any issues and car runs really good?