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Not sure what the optimum spark table is used for but my calculator says i should be seeing 7 degrees of timing at 2833rpm.

I remember running the pill for a few days, it was nuts, the rear end would squat once you mashed the throttle.
Haven't been able to duplicate that with software, probably for good reason, boost...

The histogram average seems to show a bit less degrees pulled but if you look at the cell Count you have higher amount of instances of kr in some areas and lower in others. Not sure if i see much...

I always had kr in my gxp since they day i bought it, i had a dashhawk with an alarm set at 3 degrees of kr and it went off every time, the cobalt guys don't seem to have this.
I've tried it all and...

Those numbers don't tell you who tuned it, only thing they're good for afaik is matching a tune that will work on your ecm if you found a tune with no model/year info. The 2nd segment numbers also...

That's how it works, you have to license the gmpp file too.

Yes it is http://www.skyroadster.com/forums/f5/intercooler-warranty-36096/

There's an injector duty cycle pid for each injector, perhaps you have a boost leak somewhere?

Feeeeeel the ft/lbs through your fingers ;)
I just hand tightened it, clocking them correctly made no difference to me.

Whoa there skippy, go back a few pages and see the fun that i had getting to the rear sensor. The 08+ should be easier since they don't have a vacuum pump under the the manifold.

All your lnf info is right here, as for finding hptuners you'll probably have better luck in the ls/vette forums.

http://www.hptuners.com/forum/showthread.php?t=38868...

Yes, it has to be in the table display.

Ah you mean this thing? http://shop.zzperformance.com/store/p/1072-New-Drop-out-LHU-LNF-engine-assemblies.aspx

What was the engine part number you ordered? How much was it?

Good luck trying to get rid of all the knock on the lnf, my new car off the dealer lot had knock, and its still knocking 5 years later.

Your ltft is 0.8 at the end of the log, that's good enough, you can't get your stft's down to 0 its impossible.

Sometimes it can, sometimes it won't, hard to say. Like yoecotec said, adjust your wastegate duty cycle in the area that the spike happens.

That's normal, you can do this a 100 times and it'll still go up and down but be no where near 0 everywhere.

Here's one setup that needs adjustment...

You got 5 little blips of knock in a 15 minute log, i could show you one of my logs that will make you cringe with the knock im seeing. Again don't worry about it its so minor you should actually be...

Still not seeing a wot pull in that log, put it in 3rd at 3000rpm, smash the pedal to the floor(80% is not wot) and hold on tight till the redline. Don't worry about that knock, its nothing.

Are you talking about the fuel trims, they look fine to me, you can't expect the stft to be at 0 all the time.



Oops :doh:

You're log doesn't have any wot pulls.

Tune the exact same way.

Post a log too.

Ya don't we all, maybe if you bug Chris aboot it on a daily basis he'll look into it, but ya the video's are a good start.