why does my truck run mid 13s

SIKDMAX

SIKDMAX

Highway Burnouts!
Sep 14, 2007
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Acoombs said:
Sorry to hear about your night Matt, Im sure you will get figured out. At least you actually got to race your truck:mad::mad:
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Ya whats up dude where were you?

Hey if you can and get the Californian check it for me :D

Camera guy and reporter did like a 20 minute interview and took 50,000 pics of me and my truck for some article.... dunno if it was for today probably not more than likely tomorrow but who knows
 
RENODMAX

RENODMAX

Dead Wrong
Mar 4, 2008
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Matt I think Travis is right you need to look into TQ management and what your converter is doing. You should be leaving higher than 1900 and there shouldnt be anything stopping you from walking through the brakes.
 
NelsonDiesel

NelsonDiesel

Formerly StewieTuned
May 8, 2008
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maybe you are losing boost from the factory intake..... the connection between the plastic tube (intercooler outlet) and the intake inlet (where the throttle body is). There is a little o-ring in there, coulda been a bad seal even from the factory.
 
RENODMAX

RENODMAX

Dead Wrong
Mar 4, 2008
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i really dont think its a boost leak... i think its traction and tq management issues because of what the converter is doing. get us some logs huthuthuthuthuthut
 
SIKDMAX

SIKDMAX

Highway Burnouts!
Sep 14, 2007
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I dont get it!!!!!!!!!

I just did 2 logs and launched like a sonofabitch at like 2250 with NO problem getting there. Could the heat effect it? Track temps were 103 down to about 90 at my last run. I dont think so, I seem very consistent at these time.

The truck felt way faster just now. Heres 2 logs:

1st 4wd launch no TH
2nd 4wd launch TH

BAH! cant upload .EFI files? KATTTTTTTTTTT! :D
 
SIKDMAX

SIKDMAX

Highway Burnouts!
Sep 14, 2007
4,698
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Central Coast, Cali
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Usually, tried it both ways last night and virtually no difference. I try to use TH only when Im gonna be wot on teh street or track so as to "Train" it - didnt do shit.

I think I may need some TAPS reset or something, my trans is definitely not acting how it should.

Download Winzip now to zip these up
 
L

LBZrcks

.........
Jun 2, 2007
5,297
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JoshH said:
Something is wrong with your tune if you can't get the RPMs up higher than 1900.
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SIKDMAX said:
Stock McRat race tune Josh.

Times:

Run 1:

R/T: .168
60' 1.873
1/8 8.762
MPH 78.11
1/4 13.717
MPH 99.85

Run 2:

R/T: .373
60' 1.900
1/8 8.844
MPH 78.13
1/4 13.809
MPH 99.73

Run 3:

R/T: .235
60' 1.870
1/8 8.821
MPH 77.93
1/4 13.846
MPH 97.30

Run 4:

R/T: .147
60' 1.855
1/8 8.797
MPH 78.44
1/4 13.712
MPH 100.13
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Same tune as me right?

RENODMAX said:
Didnt Jody go 12.7x's on the McRat tune? Id say to look deeper Matt make sure everything is correct and something weird didnt happen. Ill always help if you need it you know that :hug:. Like Pat said just hang in itll get sorted.
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He also had Water/Meth
 
slowlmm

slowlmm

New member
Mar 2, 2008
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StewieTuned said:
maybe you are losing boost from the factory intake..... the connection between the plastic tube (intercooler outlet) and the intake inlet (where the throttle body is). There is a little o-ring in there, coulda been a bad seal even from the factory.
Click to expand...

oh dont act like you knew tht before me :D but i woild agree to look into tht a vvt will build boost regardless so u may be making 32 psi at 80% vane angle istead of 40 or so. i stil havent seen the tcm question answered have you tuned it yet ? you truck should run 13.0 13.1. 12s with great 60fts 1.77 or better are you shure your speed liiter is set to disable ?
 
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