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Thank you for this, you are absolutely right. Brain fart on my part. I think i was caught up thinking it was 30 kpa, which it is actually 70ish, or 100-30. I am 30 away from 100. (it was late at...

I saw the higher values in the IVT table. The motor idles at 35kpa and IVT's start around 90*f so did'nt factor that table as being a contributor. I will 1 it all out tonight just to see what happens.

You are correct, I left those alone as the value was insignificant in my opinion, something like 1.005.

Yes I agree with you. My concern is why can't I change it by essentially making all open loop eq ratios 1?

Hello guys, I have an issue that I cannot seem to resolve with my 5.3 Colorado. During startup while in open loop, the commanded AFR is 11-12ish. Once closed loop occurs, AFR goes to 14.1ish, where I...

Traded the truck in on a 17 Silverado LTZ. For anyone who reads this later, the dealer used a dial indicator to measure the rocker travel and saw the the exhaust lobe was not within spec. This could...

Berger Chevrolet in Grand Rapids says the cam is wiped. $6,300.

Thank you guys for the tips so far. New developments today, I was idling in my driveway and the service traction control light came on, then went off a short time later. I do not have access to a...

Hello, I daily a 2014 Sierra L86, 113k miles, no mods. For about a year and a half I have noticed a slight plum of blue smoke on "warm" startup. Hot restart or cold start, nothing. If it sits 1-3...

Hello, does anyone have a E67 cal file for a 58x M6 Solstice swap? I have a customer car here that needs tuning, the E67 is locked by the company that provided the conversion parts. The conversion...

Thanks for the tip Veee8. I was able to get this one running really good in SD. Went MAF only, Scaled the MAF back 35% for the 123mm intake and its idling at 9.9:1 AFR on my wideband. Still working...

Thanks guys, I am going to start over on this one.

I did'nt even look at the injector data yet, it was different than LS3 data in a file compare so I just assumed he entered LSA data. Geezzz. I...

The stock LSA injectors and E67 LSA data is in the ECM. The timing is 14-16 at WOT. The timing tune to me looks OK.

Hi guys, I got into this job after a local dyno tuner worked on it for 3 days and gave it back to the owner, incomplete.

Car is a 10 Camaro SS with an LSA blower, long tubes, cats deleted, JLT...

Thanks, Jay. I do have one of those already. Not sure on the difference between 62 and 63. The popular one seems to be 9355166.

I mistyped, the OS I am looking for is 12596957, 9355163, or 9352019. They supersede. I'm desperate, the repository does not have one! Thanks!

Hello, I am hoping someone has a 98 Corvette automatic file with OS 12596953, 9355201, or 9352151. I did not find one is the repository. Thanks in advance!

As title says does anyone have the installation files for any version of 3.3.xx? Thanks.

Thanks for the replies, guys. I received more info from the owner. The truck was just restarted after fueling. He pulled out into traffic "at a modest throttle" and when he lifted is when it went....

That's my thoughts exactly. I normally tune conservatively to avoid issues like this. I attached a picture of the valves, the broken one is broke clean, no sign of deterioration at the break. Engine...

Can any of my peers here look at this tune and give me thoughts, engine has a small cam, unsure on cam specs anymore, but its not that aggressive. The engine went about 1000 miles after rebuild and...

Hi everyone,

I sold a customer a 2006+ T42 TCM originally from a FWD car, I programmed it for an 08 Express Van 4L80E with GM SPS. OS reports back correctly for the Express. The customer is having...

I got the security prompt when trying to turn a truck ECM into a Camaro. I did not get the security prompt when going truck VIN to Express van VIN. My goal here was to make a Camaro ECM. I did a...

Ok I now can get past the off board programming prompt, but need to enter a security code to change the cal. Any ideas?

I installed a Ign 12v on the comm enable, connected the serial wake up wire...

Radrace, how do you hook up the comm enable wire? 12v?