Thread: Concerned about ECU Tune & Mods & Running Lean
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Old Mar 10, 2009 | 09:21 AM
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BLKFIN
ADDICTED TO BOOST
Joined: May 2005
Posts: 1,625
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From: McKinney, TX
Default Re: Concerned about ECU Tune & Mods & Running Lean
Hey Tom,
I am surprised that you have had no hits on this. Maybe you should post it in the SRT section specifically. I will answer your questions the best I can.


1. Running lean will cause the engine to “detonate”. This is the main cause of severe engine damage. The good news is we have VERY strong engines and I have seen the cars handle 17+ AFR and still did not hear the tell tell sound of detonation. Most cars would have stopped running!!! 240M3SRT6 showed me this

2. You will only experience potential issues at Full Throttle so there are no problems.

3. Yes

4. Yes, but why do you need “data logs”

In Motion has a specific tune for your future mods so you should be good to go. I personally have the LET tune but I do not have the Needswings Manifolds and I know Rob worked very closely with In Motion to develop the tune for your set up.

Your Code 3 Pulley produces the same boost levels as the 178mm ASP that Rob is running so I do not think you have anything to worry about except paying for REAR TIRES!!!

Good Luck~
 
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