GMT 800 & Older GM General Discussion 2006 & Older Trucks | General Discussion

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Old Jun 6, 2005 | 12:37 AM
  #11  
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Originally Posted by unklej
You definitely have a 14 second truck there, chech out my times with the current mods. I'm at a 15 flat @~90 mph. You have 4 mph on me and my 60' is in the 2.25 area.

Get a locker and go for it.

Jeff
Nice times Jeff, nice 60'.

Originally Posted by ap2002
try shifting it yourself....
Yeah I might try that next time I go to the track. Hope I don't hit the rev limiter. (6200rpm)

SLA
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Old Jun 6, 2005 | 07:52 PM
  #12  
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Originally Posted by Tractionless
Thats true. 3.42s suck in the low end. They are designed more for saving gas than for drag racing. Although my cousin hit a 2.2 60' with his 3.42s. https://ls1tech.com/forums/showthread.php?t=326036. I'll ask him how he did it. Plus they are not helping me much because the tranny shifts into 3rd gear about 100' before I cross the traps.
my best 60' with 3.42's was 2.2 with stock 235/75/16's and ran a 14.65@94
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Old Jun 6, 2005 | 10:28 PM
  #13  
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Those are some pretty decent times you got there, Tractionless. Did you take air out of the tires when you ran your truck?? I didn't take any air out of mine, perhaps it might have given me better timing. I agree with unklej that you have a 14sec truck, i guess it just depends on how good your reaction time is and other minor details. I also suggest going locker on your pewter and maybe replacing the gears. I do not understand why they place such crappy gears on our trucks, it's a v8 it's supposed to chug gas!!! Anyways, kudos on the track times...keep on bringin the numbers down....

Peace

SLA
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Old Jun 7, 2005 | 12:48 AM
  #14  
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Hell of a MPH. Good to see what a couple mods on a 5.3L RCSB can do.
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Old Jun 7, 2005 | 02:13 PM
  #15  
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Thanks for the porps and kudos guys. I need to get me some lower gears (higher numerically) a posi and some better tires.


Originally Posted by bluecajun5.3
my best 60' with 3.42's was 2.2 with stock 235/75/16's and ran a 14.65@94
Great times bluecajun. How did you take off at the starting line. Did you brake-stalled your truck or did you just slam the gas pedal when the last amber light came on? I break-stalled my truck, but some friends told me not to do so on a stock converter.

Thanks again guys
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Old Jun 7, 2005 | 02:21 PM
  #16  
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On all my vehicles with stock converters I got the best time by stalling it up to the point the car/truck starts to try and nudge forward. That works as long as you can get traction of course.
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