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The AFX was my other choice.

NGK AFX it is then, I read good things about it, and I can still wire it into the ECM to get it to talk to HPtuner without extra wires.:cool: I can have the monitor...

thanks,

Hum, did a lot of reading and seemed to miss the disable max line pressure code thingy, good to know, I thought it would be something like that.:D

Yup on the wide band been doing some...

Well, Well, started dialing in the VE this weekend, MAF disable worked great, stayed out of PE mode. :cool: Kept the MAF connected due to IAT and rant the PE Kpg up to 75. I only have two concerns:...

Ding! ha, you just answered my question! I will be doing some tune scans this weekend. I planned on doing scans with the MAF disabled.

In one of the starter threads they said to just set the...

Yes, I know that, the scan I sent was a straight out of the box run with a street config. I have to use the method with the MAF connected as the C5s have the IAT sensor in the MAF. I have a config...

MAF was enabled, and I think part throttle was out of PE but can't confirm.
That run was with the setup that I was planning to run with just to see where it fell.

I guess my main concern was in...

Don't have a wide band yet, and no that run I posted was a first test run after replacing head gaskets, intake gaskets and new injector O rings. This configuration has tranny changes, gear changes,...

Mods are LG log tubes with 3"cats and pipes, LS6 intake, Halltech MAF mods, screen removed and cleaned up. RPM Tranny, with 2400 stall converter. 3:42 gearset. Dewitts radiator, B&M Tranny cooler,...

OK,

My LTFTs are high I get that, They are in the 14s to 25s. Now I need to run a logging run, set up to log LTFT, got that! I expect to see high numbers. I think if I have to add 25 to the VE...

The only thing I can tell you is to scan all the parameters and then export them to a spread sheet so you can see what is going on in the big picture. Could be anything. Things that I know can pull...

What RPMs is it set to shift at?

Dumb question, but would this be a auto trans? What happened to the timing at the same time? Does your truck have traction control? I am not familiar with the trucks.

Same RPM on every run?

I agree, but as far as I know they just are there to check the cats function and do not figure into any other calculations.

Mmmmm, good question! Ya had me going until I thought about it! I also have the LGs and I used the Sims just to stop throwing error codes with the missing rear sensors. :secret:

Sims are static,...

OK As promised I scaled the MAF table up 10% Across the board. The results were spot on and reduced the LTFTs about the same 10%. There was a noticable improvement in performance. However The...

Will Dew! should have something to post by Sunday night~~I hope! :cheers:

Welp,

After reading a whole bunch of stuff and being a newbe at this game, I think I am going to start out really simple. This weekend I plan on Rescaling my MAF table. One thing I did was to...

Hum, good point, glad you brought that up.

;D I like your thinking :cheers: That is exactly where I was comming from with the question. My C5 is an every day driver. I don't need to go to the knats _ _ S of performance. MAF must stay, it must...

Ok, It looks like there are several schools of thought on bringing the LTFTs into line.

1. The one I see here most of the time which is the Disconnect the MAF and work on the VE table wideband...

LOL! I am not explaining this very well! OK, let's start here. You take the rear 02s out and install them in place of the fronts. You use a provided adapter and plug them into where the old fronts...

With the Lg Long tubes you take the rear 02s and put them in the headers, and then put 02 simulators in the plugs for the rear 02s. The long tubes don't hold the heat that the stock system does,...

yea, I don't know what it is about this car, but over the years it has just run like gang busters. The base line Dyno was 320 RWHP, bone stock with the A4 and 2:73 rear. Remember this is a 98 and...

Oh, no doubt :cheers: ;D I think I am going to take it to a tuner that has done it before. I am not really confident on the entire process yet. The guy I am thinking of has done a number of cars with...

Yes, I am looking at those. Need to get a wideband setup. to go through the process.

I am still pretty much a newbe so making sure I understand everything before I tear into it.

Looking at...