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Hello gents,

Im working an 2009 CTS-v, ported heads, cam, ported blower, ported throttle body, intake, headers, 3" exhaust, 2.5" upper pulley, 9.55" lower pulley. Should make about 15-16lbs of...

Excellent, ordered 100 pins since they are so cheap. Should be here tomorrow and I can get to work on this COS!!

Thanks again Taz!!

Hello,
Im working on a newer CTSV with the custom OS for e85 and I am having no luck finding the correct terminal for the delphi connector. Does anyone have a solid source for these pins? I think...

On a supercharged e38 car could I wire up a 12v out signal from a meth controller to the stock ECU spare 12v input to allow me to run more timing only when the meth system is on and actually working?...

I ran a search for the map sensor a while ago and i thought it was a 2.5bar that came stock on the 2010 camaros? The car runs and drives awesome, im thrilled about that...its just the boost tuning...

Yes, on the dyno the car would break up and misfire at that point but I had assumed it was because of what was going on with the timing and calculated airflow. I had not considered an ignition...

I have followed the tutorials to put this 2010 camaro into SD mode following swingtains tutorials. If you look at the log I have posted you will see at 3360RPM the APCYL_DMA pid goes from .81 down...

Im working on a 2010 camaro with a twin turbo kit, I have it all setup to run speed density with the maf disabled. I have a question on the spark tables, B5101 and B5102 are RPM vs grams/cylinder. ...

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Stock is the stock tune
stock_corrected is the idle table corrected
stock_swingtan is stock injectors speed density
stock_swingtan_injectors is same as above but with...

Im having a similar problem with a 2010 camaro also. I downloaded the stock tune with a new to me laptop with all of the latest EFIlive software and when the tune is opened in EFILive tune it comes...

Can a Tech2 possibly be used to reflash this ecu?

well...turns out I had more issues than I thought. After I posted that tune file I opened it up ad saw that those tables were out of range, I corrected all of that and it still had the same issue. ...

Here is the tune file


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hey guys. working on a supercharged C5 z06. I have followed the custom OS pdf file and rescaled for the larger injectors(60lb) and 2bar map sensor. Im not sure why but I cannot get the car to stay...

Hi guys,
just a few quick questions for a new guy with supercharger tuning.

Im working with an 2002 c5 z06...Can I tune this car without a 2 or 3 bar map sensor? Or do i need a 2bar sensor and a...

Finally got a chance to try and download the stock tune once again. I was able to use BBL to download the tune onto an SD card. Transferred to PC and was able to open tune. I have not tried to...

Hello again.

Im trying to tune an 06 z06 but Im stuck at square one...I cannot even read the stock tune out of the ECU. The car is a pre-production media car used by GM before the official...

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Here you go

Todays lesson is...returning engine to idle!!!

The car wants to die when you shift into neutral coming up to a stop light. You can see it best in the following datalog at around frame 455. Alot...

Does the MAF table adjust the same as the VVE tables. If the mixture is rich then I should Lower the MAF values?

Finally some good progress

Disabled fuel trims, left MAF plugged in and enabled. logged a few drives and WOT pulls. made adjustments to the VVE table 8101 with good results. Im going to attach...

With the car running in OL with the MAF disabled...well it wont stay running. Its too lean, Would I increase or decrease the numbers in the VVE table to start to correct that?

If I can keep it...

Ok...here we go again.

Ive got the car currently running on the MAF. Looking at the following log what maps and changes should I be looking at making. fuel trims are very high but any changes I...

This issue has been resolved for me.

I un-installed all software and reinstalled 7.5 and 8.1, updated both, reflashed V2. Changed logging mode from Fast to Dynamic and everything started to work...

Hi guys once again.

Ive been reading lot and messing with the tune on this C6 z06 but my lack of basic knowledge on this ECU is causing me a lot of frustration. Lets talk about how the ECU...