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

Ran a 15.41 in my NNBS RCSB

Old May 7, 2008 | 09:56 PM
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Default Ran a 15.41 in my NNBS RCSB

Took my truck to the track today to get some baseline #'s before my tune gets here. see sig for mods

In case its hard to read, the #'s are:

R/t: .368
60': 2.298
330: 6.541
1/8: 10.010
MPH: 71.05
1000: 12.952
1/4: 15.417
MPH: 90.64

I made 5 passes and my times ranged from 15.417 to 15.500. I thought it was pretty good for just intake and exhaust w/ 3.42s

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Old May 7, 2008 | 10:31 PM
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The tune is going to help. I ran 14.7 with 17's, exhaust, cai, 3.42, ory, PS headers, vette servo, and Wheatley '93 tune.
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Old May 7, 2008 | 11:24 PM
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wow, thats about what I ran a couple months ago, my mods were intake and 3in pipe off the stock manifolds and Y. I have 3.73s tho. Good starting point tho, it can always be worse and theres only 1 way to go
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Old May 9, 2008 | 03:21 PM
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Get a Tune and 4.10's with tru trac and u will see how that number will drop
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Old May 9, 2008 | 05:55 PM
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Consistant runs! Congrats, now get a moddin'
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Old May 16, 2008 | 09:39 AM
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which intake and exhaust setup do you have? I ran my time in sig with just AEM cai, and magnaflow exhaust single in dual out...
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Old May 18, 2008 | 10:23 PM
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It has the K&N kit and Gibson exhaust. What gears do you have? I'm running 3.42s with the stock 20" rims and 275/55/20 tires and I couldn't touch your 60' time.
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Old May 19, 2008 | 11:17 AM
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Originally Posted by JBGMC
It has the K&N kit and Gibson exhaust. What gears do you have? I'm running 3.42s with the stock 20" rims and 275/55/20 tires and I couldn't touch your 60' time.
Oh!!! the 20's are killing you... and i'm running 3:73s and stock 17s
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Old May 21, 2008 | 03:21 PM
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Originally Posted by BlueSS
Oh!!! the 20's are killing you... and i'm running 3:73s and stock 17s
Yep, I think I'm going to order 4.10's, get a tune, and run it with my stock 17's within a month. I'd like to see very low 14s then!
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Old May 21, 2008 | 03:46 PM
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I've done the asp pulley, and 160 stat to mine since i ran those times. I have the transgo hd2 shift kit with vette servo and 4th gear billet servo waiting to go in, and i'm getting the pacesetters next month i'll tune it after all that and run it. I too would like to see low 14's but we'll see...
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