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Hello, I am helping out a friend with tuning his swap. Its a rather unusual setup which has kind of thrown me through some loops. Its a 24x conversion on a gen 1 327, it has l31 heads, and he is...

I was able to get it to start and idle perfectly. It ended up being the overlap from the cam combined with the headers was tricking the o2 sensors into a false lean condition. I ended up using a...

Alright Ill make the changes and flash them later this evening when he gets off work to see what those will do. At the same time I'll get some better logs for you.

Thanks again.

To add this is only happening when sitting still. As soon as you start moving the car runs perfect and the trims are all around 0. Even coasting with the rpms in the same range as idle the trims are...

Alright here is the tune with the adjustments made, The log for that looked identical to the ones posted above (I would post it but I forgot to save that log :banghead: I can go and get one for you...

Alright we tried your changes and it still is acting the exact same as before. it still tried to die on startup and as soon as it starts to idle right the trims shoot right to 25%. Is it possible...

Alright here are 3 logs without changing anything on the tune yet.

1 is after the car sat for about 15 minutes and then started without giving it any throttle

2 is starting it again only...

Alright, He will be heading over here within the next 45 min so I can grab a log when he gets here. Will the stock config with what you listed added work for a log or would there be anything else I...

Alright I'm trying to help a friend straighten out his CTS. I am still learning HP tuners as I go and I have never messed with tuning on a cammed car so bear with me on this.

The car is a 05 LS6...

I haven't either which is why I was so confused when I saw it. A friend of mine suggested that maybe my car had the MAF calibration off from the factory or possibly they get them close enough that...

Yes I have B1S1 removed and I am tuning it using a WB.

I am doing the MAF tuning by using MAF-AFR error histogram., If I were tuning it using the trims you would be correct, please correct me if...

Alright, Would it be a problem enabling the LTFT with the B1S1 o2 removed for the wideband while tuning? If I can enable them would that explain why its running so lean in maf only?

I planned on...

Here is the OLMAF tune without the 15% added. This tune also has my modified ve table in it. 46724

My VE table took about 4-5 logs to get it into the -2% to -4% range, I still have about 3-5 cells in the 1600 range that refuse to go below +1% for some reason but other then that the table is pretty...

Alright let me start out by saying I am a newbie and all this and trying to take my time learning. So far everything has been going decent (I think), I have been following the sd tune guide in the hp...