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I feel that I am fairly familiar with Gen III stuff, but I have barely looked at Gen IV. A friend asked about modifications for installing a 102mm TB on his Z06. Are you referencing ETC Area Scalar?...

No hole in the TB.

I am not with the car right now. I don't recall trying to start it with the AC on, so I can't really say.

Cam is 239/251 on a 106 (Grand Am) :)

Car has 4.10's and is an absolute beast! :D The...

Primarily excessive cranking time. I thought it was only cold ECT related, but that is not holding true. Generally, once it 'fires' it seems to start and idle just fine. There have been a few times...

Anybody else? How much are you increasing the Final Airflow on a healthy cammed LS7? 10, 20, 30% ... ?

The front O2's (B1S1 and B2S1) are responsible for telling the PCM whether the car is lean or rich. When it does, the PCM makes adjustments to the fueling through the short-term fuel trims. Thus,...

I am just frustrated. I have done a good deal of work with Gen III's, and even a fair number of Gen IV's. This big cam setup just hasn't been consistent for me.

I am mostly just looking for order...

I thought I had this worked out, but cranking has been inconsistent. Just wondering what you guys are having success with:

Airflow Final Minimum
Startup Airflow
Cranking VE
Cranking Fuel

It...

Update: It was the belt. Katech tensioner seems to have solved the problem.

What if it's not a 5.7L?

Nothing that I am aware of. I am double checking. I will double check the pulley alignment although don't see how that would be the issue (belt squealing), but you never know. I will probably pull...

I haven't checked anything in the engine compartment. It is hard to tell exactly what the sound is as well. It is almost like the noise you hear when trying to start a running car. It is definitely...

Just curious about something. I upgraded my tranny with some hardened parts for future growth, put in a shift kit, and added a very mild converter (Trailblazer SS). This is in a 05 Avalanche with a...

I couldn't find that document on Mototron's site, but found it on Racetronix's. What do these injectors flow at 58psi? ~70lbs/hr?

I have had success managing RPM fluctations when coasting or coming to a stop (approaching and leaving idle) in older OS's with Throttle Cracker/Follower tables. However, new OS's like 2006 GTO do...

The 'Final Drive Ratio' shows a value of '1'. I downloaded another stock file it also has a value of '1'. Installed some 4.10's in this vette. I was concerned because help/description indicates...

Unfortunately, the harness is for the 80E. I don't think this is possible at least not with the time I am willing to invest. Here is a picture of the pinouts for each connector. The harness (engine...

Thanks. I didn't do the install, but the guy indicates his tranny isn't working correctly. So, I don't know if it is a hardware/harness issue or OS issue.

I have the files in a 'bin' format, but I...

12208322 comes in a couple of different flavors. One with transmission a segment for both the 4L80E and another with the transmission segment for the 4L60E.

1) Can I swap the 4L80E to a 4L60E?...

Voltage should keep getting higher as AFR keeps getting richer. I am sure you know, but NB's aren't very good at this. I know there are many people that think 880 is a good number, but NB readings...

Alright, I keep talking myself in and out of whether or not this is a problem. I looked at some log files. Still trying to work out some math too. :confused:

Does someone have 2 log files handy...

Well, I wrote something, but now I correcting myself. I was incorrect. This is a problem. My guess is that the issue somewhat (or wholly) revolves around the fact that GM's VE table is really...

I must be misunderstanding something, so hopefully someone help educate me. If the OLFA table determines desired AFR and it is based on ECT & MAP, why does it have to go lean or richen up? Are you...

What size hole do you recommend? I have noticed this issue particularly on vehicles that have a stock converter. The TB opens up so much, the RPM's go up, the converter engages, and off you go...

Why don't you post a link to your web site? Oh wait, you don't have one.

You have posted on every board revolving around tuning for LSx engines. On most the boards you post under 'techlink' as...