Computer Diagnostics and Tuning Technical discussion on diagnostics and programming of the F-body computers

What should I change in C.A.T.S w/ these mods.

Old Apr 13, 2008 | 09:54 PM
  #1  
ussj4brolli's Avatar
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What should I change in C.A.T.S w/ these mods.

Ok, I have C.A.T.S Tuner full, and the $EE file. I have changed the tire size/spedo corrections, and Tunercats fixed the transmission shift points doing that aswell.. (tires are 255-35-20) But thats all I have done. I was wondering what else I should change with the mods I have, and to what, sence i really dont know much about what these do.

This is in a 94 Z28 3.23 A4.
I use nothing but 91 octane
MSD Cap/rotor
MSD Blastercoil
MSD 8.5 superconducter wires
Fuel injectors out of my 95Z28 ( I think there the same though)
SLP cold air intake with dual K&N filters
I have stock thermostat installed, but i have a 160 available to install if that will increase anything)
I have bypassed the coolent in the throttle body.
I have a dual magnaflow exhaust.
I have a performance A4 4l60E with a tranny cooler and a higher stall converter then stock. Sounds dumb, but I dont remember what speed stall it has. If there is a way to tell please tell me. I have datamaster EE aswell, but i dont know what "ideal" values are so i dont know if im running rich/lean or even what to do if i was..

I know these really arnt much for upgrades, but I have a 95Z28 just sitting in the yard im going to tare appart n rebuild the engine and things.

My Completly stock .bin
http://w13.easy-share.com/1700133703.html

My .bin after nothing but tire size changed.
http://w13.easy-share.com/1700133704.html

A file I was looking at, cant see too much changes really at all....would this file do the job? (delete the .zip extention)
"1994 Z28 - A4 - HPP+ program with power tuning, fans on early, and shift firmness."
http://www.bfranker.badz28.com/LT1Ed...hftfrm.LT1.ZIP

Thank you all!! Anything else you need please ask, fast to reply usually.

Last edited by ussj4brolli; Apr 16, 2008 at 11:58 PM.
Old Apr 16, 2008 | 11:58 PM
  #2  
ussj4brolli's Avatar
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....anyone?
Old Apr 17, 2008 | 07:10 AM
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I would not blindly load any bin you find into your PCM. What I would do, is research about how to do tuning, what things mean and how changes affect them. Once you are educated, you will be in a better position to determine what you can do for the results you want.
Old Apr 20, 2008 | 01:59 AM
  #4  
Steve in Seattle's Avatar
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So this is just a stock Z with a higher stall?

Not much to change other than tranny stuff (shift firmness and rpm)... unless you have a WBO2 and can accurately lean out PE mode to ~12.5. Without knowing the brake stall you're at a standstill... do a google search and you'll find out how to flash the converter and determine stall speed in your application.


Might wanta turn off VATS I guess.
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