LMM: LMM Tow tune

J

jwrkansas

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Mar 3, 2012
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Ha! we're posting on top of eachother. I like your idea of just using b2225 just never thought about it. Why do you say desired boost doesnt work? The boost my truck logs shows that it works and slows the truck very well.
 
x MadMAX DIESEL

x MadMAX DIESEL

<<<< No Horsepower
Dec 30, 2008
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jwrkansas said:
Ha! we're posting on top of eachother. I like your idea of just using b2225 just never thought about it. Why do you say desired boost doesnt work? The boost my truck logs shows that it works and slows the truck very well.
Click to expand...

Normal trucks may work fine. In my particular truck with a stock lbz and a stock lly turbo, I really had to use max and min vane to make it boost right. My truck was just weird maybe

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C

CDR

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Apr 19, 2009
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x MadMAX DIESEL said:
That's the minimum vane position table. Not much of a difference between 95 and 100, but gives it alittle wiggle room. Pretty much the vane max and min is what you need to tune by, the desired boost really doesn't work very well.

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Click to expand...

Got it so the minimal level at 0mm3 would be 95
 
C

CDR

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I really wish someone had a tune for my operating system that I could see. Oh well hopefully this works
 
02CCSB

02CCSB

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May 24, 2012
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Winnipeg, Canada
Dumb question, but you do know that you have to be in M mode and in tow haul (to lock the converter) and above whatever RPM you set it to come on at (1800 for example)...
 
x MadMAX DIESEL

x MadMAX DIESEL

<<<< No Horsepower
Dec 30, 2008
7,535
1
38
34
Lexington, Ky
02CCSB said:
Dumb question, but you do know that you have to be in M mode and in tow haul (to lock the converter) and above whatever RPM you set it to come on at (1800 for example)...
Click to expand...

You don't have to be in M. But you need to be in t/h or 5th gear or above in normal.

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J

jwrkansas

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Mar 3, 2012
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CDR said:
I heard thats a no no??
Click to expand...

Why is it a no-no?? Ive seen alot of files with a t-brake written this way. This is what gives you the option of having it in a dsp5 format. With the other option its on all the time.
 
C

CDR

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jwrkansas said:
Why is it a no-no?? Ive seen alot of files with a t-brake written this way. This is what gives you the option of having it in a dsp5 format. With the other option its on all the time.
Click to expand...

intersting spin on it
 
C

CDR

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Apr 19, 2009
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catman3126 said:
View attachment 27439

try this and see if it willl work
Click to expand...

Same exact results as yesterday but now that it happened twice I could comment on the results. Truck starts cold turbo goes to 100% commanded vane position at idle. Turbo veins never opened up to zero at Idle. Proceeding to drive truck while decelerating with torque converter locked vane position gets up to 75%. Around the time the truck hits 140° the vein position will open up at idle again and turbo break won't work at all.

So confused..
 
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