In the 12's

CaptPhil

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Sep 10, 2011
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CaptPhil

Active member
Sep 10, 2011
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Thanks guys. I am debating increasing rail to 190mpa and possibly bumping up pulse a touch to get a 12.0. Only on the big tune of course. It is holding 23.5kpsi with a 3325usec tune. I think that with 3400usec and 25kpsi I might see 11.99..... or smoke my motor.

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Dirtymaxx07

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Jan 15, 2013
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Man that thing is moving! Congrats on the times! What tires are you running? I'm fixing to swap out my 22's next track visit and see if I can get me a 12.0 pass...
 

mike diesel

I'm alright.
Sep 6, 2012
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Thanks guys. I am debating increasing rail to 190mpa and possibly bumping up pulse a touch to get a 12.0. Only on the big tune of course. It is holding 23.5kpsi with a 3325usec tune. I think that with 3400usec and 25kpsi I might see 11.99..... or smoke my motor.

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How the crap are you running a 12.1 in a crew cab with stock injectors and cp3?
 

Lb7_Katie

Lb7 Duramax
Sep 8, 2013
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Thanks guys. I am debating increasing rail to 190mpa and possibly bumping up pulse a touch to get a 12.0. Only on the big tune of course. It is holding 23.5kpsi with a 3325usec tune. I think that with 3400usec and 25kpsi I might see 11.99..... or smoke my motor.

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Wow congrats! Now I'm even more excited to get mine on the track! Keep up the good work!


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CaptPhil

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How the crap are you running a 12.1 in a crew cab with stock injectors and cp3?

I dont know man, i went into the day expecting a 12.27, had that number in my head all week. My second run was a 12.16, then all i had in my head was that 11.99. Lol.

Loaded a new TCM tune that morning because the 02 OS that I had a tune built off of was dropping the nose bad on the 1-2, 3-4 and 4-5 shifts. The 01 OS that I loaded is basically stock except for higher shift points and i extended the 3250 torque management values out to the end of the table. I had a theory that the 3300rpm set for the 1-2 shift was getting blown by so fast that the TCM was pulling a ton of fuel to try and catch it, and it appears that I was right, because now at 3700rpm 1-2 shift it shifts and locks up beautifully.
 

CaptPhil

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Sep 10, 2011
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Man that thing is moving! Congrats on the times! What tires are you running? I'm fixing to swap out my 22's next track visit and see if I can get me a 12.0 pass...

Running a new pair of Nitto Terra Grapplers on the back 265/75r16 on PYO's, and a set of bald ones up front. ended the day at 28psi front / 30psi rear.
 

Dirtymaxx07

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Jan 15, 2013
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Running a new pair of Nitto Terra Grapplers on the back 265/75r16 on PYO's, and a set of bald ones up front. ended the day at 28psi front / 30psi rear.
Awesome, well congrats again man! I'm ready to see what my twins do. Went to the 1/8th mile track, few weeks ago, spun pretty bad and pulled a 7.8... Still on 22s. Now I want to put my pyo's on and see what it does.
 

Michael Moore III

06 dirtyMax
Jul 16, 2013
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MD
I was having the same problem Saturday, 12.6 at 106 with a 1.8 60. The third launch though my trans through the old P0777 code so I may have an issue on my hands good thing it is under warranty.
 

CaptPhil

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Sep 10, 2011
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Delaware
That's awesome Phil, have you dynoed the truck?

I have not dynoed it yet. I am running Kory's tunes that I have made some small changes to, but we are going to see if we cant get some super spicy tuna into this thing and dip into the 11's.

I will probably get it on a dyno at some point, Innovative is only about 15 minutes away and charge like $125 for 5 pulls or something like that. I am guessing that it is in the low 600's.