dc_justin

iTrader: (13)

To really set timing properly, you need to use a load bearing dyno. Otherwise, err on the side of safety and lower the timing.

Your High Octane Table is reasonable, thus I'd start out by zeroing out your fuel mixture spark correction table.

gao8302

iTrader: (13)

Is there any other way to do this without a dyno? There isnt one close. So just zero out the whole table then for now? Anything else that draws your thoughts off hand.

dc_justin

iTrader: (13)

That's the biggie right there.

As far as timing. You can get it running decent without a dyno, but you can't get your timing perfect without one. It's important to be sure that you're not knocking audibly nor seeing any KR.

Justin

gao8302

iTrader: (13)

Thanks for the help. I will get up a few more logs.

DrX

iTrader: (7)

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Thanks DC Justin. Sometimes I forget that everyone with boost and tuning software is not running a 2 bar custom OS.

GM.AFR(commanded air fuel ratio) should be in the PID list. Did you Validate the PIDs with the FlashScan connected to your vehicle? (INFO> Validate PIDs)

The IFR table does need to be correct. I have seen these injectors setup anywhere from 5.0 - 5.3 g/s. Lower will get you more fuel.

Stay out of boost until the knock issue gets sorted out. Can you hear the knock? Is this a fresh blower install?

Edit: Boy you guys were busy while I was typing!

gao8302

iTrader: (13)

Just got back for a little drive and a log. As you can see i cant wait to get this KR issue taken care of. Im still seeing KR. The log is a cruise and a short wot run. Like DR.x said no more wot run till this is taken care of.

gao8302

iTrader: (13)

I cant hear the knock and its not a fresh blower install. I ditch the whipple craptronics. The cam is new though along with the injectors.

dc_justin

iTrader: (13)

Oh, you're lean in boost. If I had to guess based on your narrowband voltage (not reliable), I'd guess you're sitting at around 13.3-13.6:1 AFR in boost. Is the MAF stock?

Don't go anywhere NEAR boost until that is fixed.

gao8302

iTrader: (13)

THe maf is stock unmodified. I have a Aem wideband on its way. It looked to me if im reading it right that I was still getting kr at a low rpm. what is causing that? Spark still? What do i have to adjust when i get my wideband? Im learning alot hear as we are talking.

gao8302

iTrader: (13)

Should i tune down my IFR chart to make it richer? Im thinking im having more problems than just that.