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Dragstrip and Launch Techniques Discussion 1/4 mile, 1/8 mile, launch discussions.

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Old 09-26-2012, 09:52 PM   #1
SIN R G

 
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2nd Time at the track went much better than the 1st

Last year I went to the track for the first time in my life. I had a lot of fun, meet some really nice people but I did just terrible on the track with my best ¼ mile time of 14.11. I did learn a lot and I made a few changes and I finally got back to the track last night. WOW, what a difference a year makes. After my first run and picked up my time slip and took a look at it I could not believe my eyes, I ran a 13.035 at 107.56. That was more than a second faster than I went last year. I had told my wife when I left for the track I would be very happy to get under 13.5 and now here I was damn near in the 12’s. It took me 3 more runs but I did it, I got a 12.909 at 109.89 and on my 7th and last run of the night I did a 12.895 at 109.34. I had a 2 ½ hour ride home and the permagrin was bigger than ever. Here are my times from last night.


60ft ¼ MPH
1 2.059 13.035 107.56
2 2.045 13.007 107.53
3 2.044 13.003 107.69
4 2.014 12.909 109.89
5 2.014 12.966 108.93
6 2.031 12.929 109.10
7 2.007 12.895 109.34

I was almost able to reduce my 60ft times on each run.

Last year the track I went to I was not able to drive around the water box and I was not able to put it to the floor without spinning until I was half way down the track. I also did not let any air out of the tires, I learned later that my right rear tire was wearing really bad on the outside of the tread. I did not have it aligned when I had the BMR trailing arms and toe rods installed. So I had it checked and it was toed out really bad which is why it wore the tire and I had no traction at the track.

This year I had the car aligned and I got a set of Nitto NT05’s on the rear. I went to a different track where I could drive around the water box and I lowered the tire pressure down to 26. The first run I only spun the tires enough to clean them off. My last few runs I had turned off all the nannies and did a bigger burnout to put some heat in the tires. I learned so much again and now can’t wait till I can go again.

When I left the track last year the next day because I was so disappointed my wife said “I suppose you now need that cam” thinking that I needed more HP. I told her with as much as the tires were spinning, more HP was not the answer. This morning I told her that NOW I need the cam.
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Old 09-26-2012, 10:00 PM   #2
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Congrats on the times and good job trouble-shooting the issues that prevented you from getting them before!
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Old 09-26-2012, 10:19 PM   #3
Pro Stock John
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Nice was that at GLD or WIR?
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Camaro Now: Mods for the Masses Part I | Part II
13.15@106 1.95 | 100% Stock
12.37@112 1.85 | + Kooks Headers/Cats + 20" 555R + CAI + BW TB + UDP + Tune
12.06@113 1.70 | + CD 3200 + 18" NT05R + RCR Intake + NE OTR + GPI Tune
11.84@113 1.59 | + 3.91s + Race Star 17x7 Fronts
__.__@___ 1.__ | + GPI VVT Cam + BW Ported Heads
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Old 09-26-2012, 10:34 PM   #4
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Nice job. Keep working on that 60' and 12.6-7's are right around the corner. Better air will help a lot as well.
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8.165 @ 86.52 Bone Stock 1/8 mile
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Old 09-26-2012, 10:39 PM   #5
SIN R G

 
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This was at Great Lakes Dragway, it was my first time there and I was suprised that there were not more cars there. It was just a beautiful day and we won't get many more days like that this year. Was looking forward to seeing some new 5.0s a new Challenger or Charger. I did run an 02 Corvette 5 times and I totally smoked him all 5 times. My buddies won't be teasing me about my times anymore.
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Old 09-27-2012, 07:46 PM   #6
Pro Stock John
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Nice what day did you go?

I've gone 1.92 at GLD on P-Zeros and I hope to better my current 1.88 on my Nitto 555's. i doubt I can go next week but hopefully the week after.
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PROJECT HEAVY CHEVY
Camaro Now: Mods for the Masses Part I | Part II
13.15@106 1.95 | 100% Stock
12.37@112 1.85 | + Kooks Headers/Cats + 20" 555R + CAI + BW TB + UDP + Tune
12.06@113 1.70 | + CD 3200 + 18" NT05R + RCR Intake + NE OTR + GPI Tune
11.84@113 1.59 | + 3.91s + Race Star 17x7 Fronts
__.__@___ 1.__ | + GPI VVT Cam + BW Ported Heads
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Old 09-27-2012, 08:20 PM   #7
SIN R G

 
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I was there Tuesday night and I had not planned on getting back there this year, but you know how that goes. Is it true that there are more people there on a Wednesday or a Thursday? Thursday is slick night, we don't have slicks but would they let us run. I saw the weather tonight and right now they say next Wednesday is supposed to be 75. Thats got me thinking.
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2SS L99, CAI, Kooks Stainless 1 7/8 headers, Kooks Catted Oem Connection Pipe, MBRP Exhaust, MSD LS1 Superconductor 8.5 mm Wires. NKG Copper Spark Plug Set, Full Dyno Tune. BMR G8Trailing Arms - Hammertone and BMR Rear Toe Rods, GFX, Devils Tail Side Stripes, Side Vent Stripes, Synergy Green Door Panels and SS Grill & Trunk Badges .
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Old 09-27-2012, 08:24 PM   #8
Pro Stock John
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I've tended to go Tuesdays and it's been pretty dead. Not sure on Wed, I would rather go Thursdays on slick night if they would let us run on DR's, better traction I'm thinking.
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PROJECT HEAVY CHEVY
Camaro Now: Mods for the Masses Part I | Part II
13.15@106 1.95 | 100% Stock
12.37@112 1.85 | + Kooks Headers/Cats + 20" 555R + CAI + BW TB + UDP + Tune
12.06@113 1.70 | + CD 3200 + 18" NT05R + RCR Intake + NE OTR + GPI Tune
11.84@113 1.59 | + 3.91s + Race Star 17x7 Fronts
__.__@___ 1.__ | + GPI VVT Cam + BW Ported Heads
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Old 10-01-2012, 10:54 PM   #9
Pro Stock John
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FYI I'm going tomorrow and so is blown car that ran low 11's last time.
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PROJECT HEAVY CHEVY
Camaro Now: Mods for the Masses Part I | Part II
13.15@106 1.95 | 100% Stock
12.37@112 1.85 | + Kooks Headers/Cats + 20" 555R + CAI + BW TB + UDP + Tune
12.06@113 1.70 | + CD 3200 + 18" NT05R + RCR Intake + NE OTR + GPI Tune
11.84@113 1.59 | + 3.91s + Race Star 17x7 Fronts
__.__@___ 1.__ | + GPI VVT Cam + BW Ported Heads
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