GMT 900 Trucks General Discussion 2007 - 2013 Trucks | General Discussion

1/4 mile times

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Old 11-28-2010 | 01:28 AM
  #21  
Area47's Avatar
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From: K.C.
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ken has a point. moving damn near 6k lbs from a dead stop takes a good amount of torque.

my shift points vary on gear.
1-2 6100
2-3 6000
3-4 6300

dunno, seems to work for me. then again, im on a stock cam
Old 11-28-2010 | 05:38 AM
  #22  
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From: Gonzales, la
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Originally Posted by Area47
ken has a point. moving damn near 6k lbs from a dead stop takes a good amount of torque.

my shift points vary on gear.
1-2 6100
2-3 6000
3-4 6300

dunno, seems to work for me. then again, im on a stock cam
your stock cam isnt as big as his. meaning its more of a torque designed cam.
id raise your 2-3 to 6300 and your 3-4 to 6400. im going 6200 on my 2-3 and 6500 on the rest. my cam pulls to 6500 the thing is i want to go down to a 222 or a 224 style cam to bring my torque down lower. i dont want such a loose converter anymore. i think the max ill go is a 3200 now in my CC. it sucks pulling shii with it but man when you see that monster launch its a sight
Old 11-28-2010 | 01:20 PM
  #23  
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From: K.C.
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it's a never ending quest for perfection in the owners eyes. i need to drop my 3-4 down, power drops off fast after 6k
Old 11-28-2010 | 03:17 PM
  #24  
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really? id figure it kept pulling...maybe add timing?
Old 11-28-2010 | 05:09 PM
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where i am at with timing, i am at the max usable. spent 4 hours on the rollers messing with it one day. even playing with the vvt as well. picking up .3whp is not worth it imho.



power drops fairly quick after 6k. even with moving the peak power around

Last edited by Area47; 11-28-2010 at 05:15 PM.
Old 11-28-2010 | 09:27 PM
  #26  
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for DA use this.. http://www.dragtimes.com/da-density-...calculator.php you can go back to your date and time at that track to see what the da is. mind you this is a little off from what a weather station at the track will get but its fairly consistent so it works good for comparison from one outing to the next
Old 11-30-2010 | 02:20 PM
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just tried the G-tech and it seems very very accurate.. because.. on the track i got a 60 ft time of 2.125 with wheel spin, without i got 2.0 , on the track i got 13.5 @ 103 on the street i got 13.2 @ 106 to be fair i did more than one run this was my best other runs wer in the range of 13.2-13.3 the weather was around 74 F
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