1/4th and 1/8th mile Drag Racing Thread - Chevy Colorado & GMC Canyon
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post #1 of 606 (permalink) Old 07-30-2006, 06:37 PM Thread Starter
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1/4th and 1/8th mile Drag Racing Thread

Seeing as most people (probably a small percentage or more) of this site drag races their GMT-355's, I thought it would be a nice idea that there should be a thread for people to post their 1/4 mile, or 1/8 mile times. Also, a list of what modifications they have, what kind of "prep" they did to their vehicle, and what modifications worked (or did not work).


So, here is the infomation that is to be posted:

- What you pickup is (Cab config., 2WD or 4WD, Transmission, Rear End gearing).
- How much it weighed in (if you can, if not, that is ok).
- What modifications you had (or if your 355 is stock).
- How did you prep. your 355 (just lower the air presure in some tires, removed the spare tire, etc).
- The Times (R/T, 60ft, 330ft, 1/8th mile time, 1/8th mile mph, 1000ft time, 1/4th mile time, and 1/8th mile mph; Also, the temp. outside, and track temp. if you cant get that, that is ok).
- Picture of timeslip and GMT-355 (if you cant, then that is ok).
- A thought on you times (what you think you could have improved, what modifications worked or did not work, etc..).

First: 06 Onyx Black GMC Canyon Ex-cab, Bent body panels modification, and Broken off suspension modification.
Second: 06 S.B.M. GMC Canyon Ex-cab, 4L60E, SLE-2, GT4 (dead stock).
Do you drag race your GMT-355? If so, click here!!!
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post #2 of 606 (permalink) Old 07-30-2006, 08:40 PM
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I think this is a good idea! A database for us interested in 1/8 and 1/4 mile racing. I would like to go ahead and post the information you requested, and when I do make my runs, I will post my times, along with a pic of the timeslip and my Canyon. So here goes!

Vehicle: 2006 GMC Canyon Crew Cab ZQ8 with the I5,
4L60-E automatic, G80 locker, 3.73 gears.


Weight: With a full tank of gas - 3935 lbs.


Modifications: AEM Brute Force Intake, Ram Air and
Flowmaster 50 Delta Flow muffler. PCMForLess tune.


Pre-race preps: 35psi front tire pressure/30 rear


Times: 1/4 mile - 15.80 @ 86.87mph

R/T - .111
60' - 2.328
1/8 - 10.209
1000' - 13.225


Pics:

http://coloradofans.com/viewtopic.php?p=483146#483146

2006 Canyon ZQ8


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post #3 of 606 (permalink) Old 07-30-2006, 11:40 PM
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05 Colorado Extended Cab ZQ8 I5 M5
Stock. No race prep.
15.5 @ 87.

I think the slip is still in my gallery but not sure

2005 Colorado ZQ8 Extended Cab LS I-5 5M Black
HPtuners
Kuhmo Ecsta SPT 255/45-17
15.5 @ 87 mph (stock)

Grounded 355 member #39
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post #4 of 606 (permalink) Old 08-01-2006, 07:02 PM
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You can also find out what people are running at Drag Times

Its a good place to find out all kinds of drag racing info, see what a stock car you beat runs at and so on.
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post #5 of 606 (permalink) Old 08-01-2006, 07:48 PM
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i look at that site also but people can easily lie which is annoying

Crew Cab Extreme I5 3 73
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post #6 of 606 (permalink) Old 08-01-2006, 09:43 PM
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Regular Cab Z85 I5 5spd
no idea on weight but i also have a 100lb + system in it
Lowered 3/4 (doesnt really make a dif) and Borla Turbo muffler dumped
No prep

first time to the drags, so dont make fun of my times lol

R/T____.889____1.169
60'____2.496___2.568
330____7.077___7.081
1/8____10.686__10.719
MPH___68.14___67.37
1000___13.83___13.88
1/4____16.481___16.539
MPH___85.46___85.26

My times sucked bad, needed to take out my system, and launch higher RPM. Cooler temps woulda been better too

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post #7 of 606 (permalink) Old 08-04-2006, 09:47 AM
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For us Houston area Colly/Canyon owners that are interested in making some 1/4 mile runs, here's a link to Houston Raceway Park's home page. Seems they've got Friday AND Sunday openings for regular folks!!! This would definitely be a great place for the Houston Crew to meet!

http://www.houstonraceway.com/

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post #8 of 606 (permalink) Old 08-06-2006, 12:25 PM
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Here's a bit of info that members can use to determine their weight-at-run time:

All of our trucks have 19 gallon fuel tanks.
Gasoline weighs approximately 6 lbs per gallon.

If you've got a full tank of gas at run-time, your toting around 114 extra lbs. However, some of that weight could possibly help traction at launch, so some experimenting may be helpful here!

I weighed-in my ZQ8 Crew Cab at work...we've got State Calibrated scales, and with a full tank and me inside..came in at exactly 4000lbs.
Minus my weight, and 114lbs for fuel, my corrected vehicle weight is actually 3711lbs!

Oh....and here's that neat HP Calculator again:
http://www.speedworldmotorplex.com/calc.htm

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post #9 of 606 (permalink) Old 08-06-2006, 09:17 PM
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any tips for launching an 06 ext cab colorado, stock?

...for guys like me that have never been to a track but would like to try it out :)
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post #10 of 606 (permalink) Old 08-06-2006, 09:34 PM
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I went out and found an asphalt road, early morning in fact...to practice a few launches. Funny thing is, at 2:00 in the morning, a late model Z28 and Trans Am were preparing for a scrap!

I basically came "out of the hole" at idle, and felt no rear-wheel hop at all. Next launch, I pre-loaded the automatic (foot on brake, and accelerator) and launched around 1000 rpm. Mind you, this isn't really good on the tranny, but I only did it a couple times. A line lock would be more appropriate for us "slush-box" guys!

Practice that a few times, and get the feel of your truck under these various styles, and you should have an idea where and how your truck best launches.

2006 Canyon ZQ8


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post #11 of 606 (permalink) Old 08-07-2006, 09:39 AM
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I think the stall on these convertors is about 2250rpm? If so, you can power-brake it almost to that rpm, before launching?

Colorado ZQ8!
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post #12 of 606 (permalink) Old 08-07-2006, 12:04 PM
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Quote:
Originally Posted by RAT
I think the stall on these convertors is about 2250rpm? If so, you can power-brake it almost to that rpm, before launching?
yes for the most part

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post #13 of 606 (permalink) Old 08-08-2006, 08:23 PM
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15.3 @89mph very little fuel, f.i.p.k in a reg cab 3.5 auto with 3:73s

2004 colorado ls reg cab i5 auto 373s 15.3@ 89 97,000 miles and running strong
2002 mustang gt, 1984 silverado 4x4 reg cab short bed, 2005 yamaha yfz 450, 2006 kawasaki ninja 250.
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post #14 of 606 (permalink) Old 08-09-2006, 09:28 AM
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Best times I've seen yet!

Colorado ZQ8!
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post #15 of 606 (permalink) Old 08-09-2006, 10:54 AM
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I guess no one else cares to post. Ohh well.

2004 colorado ls reg cab i5 auto 373s 15.3@ 89 97,000 miles and running strong
2002 mustang gt, 1984 silverado 4x4 reg cab short bed, 2005 yamaha yfz 450, 2006 kawasaki ninja 250.
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post #16 of 606 (permalink) Old 08-09-2006, 12:34 PM
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Quote:
Originally Posted by AZRADO
I guess no one else cares to post. Ohh well.
what do you mean? not everyone is on here all the time, nor does everyone run their trucks...

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post #17 of 606 (permalink) Old 08-09-2006, 01:46 PM
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I tried to run mine friday, they would not let me cause of a cracked windshield
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post #18 of 606 (permalink) Old 08-09-2006, 04:03 PM
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Quote:
Originally Posted by TwistdVizions
Quote:
Originally Posted by AZRADO
I guess no one else cares to post. Ohh well.
what do you mean? not everyone is on here all the time, nor does everyone run their trucks...
Like I said "ohh well." hey crash I guess I will have to fix my windshield also. I have a few stars I don't know if those will count.

2004 colorado ls reg cab i5 auto 373s 15.3@ 89 97,000 miles and running strong
2002 mustang gt, 1984 silverado 4x4 reg cab short bed, 2005 yamaha yfz 450, 2006 kawasaki ninja 250.
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post #19 of 606 (permalink) Old 08-10-2006, 03:47 PM
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I am not sure on that, plus you go to speedworld right? I went to firebird, but to be fair it is a hell of a crack
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post #20 of 606 (permalink) Old 08-10-2006, 05:14 PM
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Quote:
Originally Posted by AZRADO
Quote:
Originally Posted by TwistdVizions
Quote:
Originally Posted by AZRADO
I guess no one else cares to post. Ohh well.
what do you mean? not everyone is on here all the time, nor does everyone run their trucks...
Like I said "ohh well." hey crash I guess I will have to fix my windshield also. I have a few stars I don't know if those will count.
from the way you said it, and it reads to most... it sounds like you think everyone on here runs their trucks and that no one wants to post their times... lol

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