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Discussion Starter #1
Went to the strip last weekend and ran a few times. The track was not in good shape and the track temp was over 100°F. Kept spinning off the line and the car didn't feel very strong over 5000 rpms. Ended up running a 13.0 at 109 mph. Got home and scanned for a few WOT runs and found to be pulling between 2 and 5 degrees of timing over 4400 rpms. This was due to the tune I had in there pulling timing for IAT and ECT. :thepan: Backed that out and pulls strong again all the way to 6500 rpm. Oh well, at least it was a sunny day with lots of great cars to look at and watch run down the track.
 

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05 CTS-V
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what are your mods? and what should a stock V run... i went 13.7 at 107 but no launch on shit ass pirelli all season spinning like crazy 1st and 2nd... i know if i could hook it should be close to 13.2 right?
 

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Good run!

Don't be surprised if you dont gain much from adding your timing back in when its that hot though.
 
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Discussion Starter #5
SoJer - H&C, Headers, catted B&B, CAI, custom intake tube

rjo - I generally drive it harder every day on the street! Also heading to BeaveRun on Sunday to scuff in some new Hoosiers - on the way to V-Day!!!

Stage - Thanks. I might head to a different track on Saturday.
 
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Discussion Starter #7 (Edited)
Quaker City Raceway
Salem, Ohio
June 21, 2009
Air temp = 72-75°F
Humidity = 61-66%
Elevation = 966 ft

DA = 2488
Relative Density = 92.92%




12:54 pm
Tire psi = 38 :thepan:
right lane
Tried a burnout, hopped like crazy
2000 rpm launch with tons of spin through 1st gear.

60' = 2.316
1/8 = 8.823
mph = 86.25
1/4 = 13.339
mph = 109.85
Corrected:
Stock and Mildly Modified Naturally Aspirated Engines
12.948 @ 113.248 MPH




2:33 pm
tire psi = 28
right lane
no burnout
1500 rpm launch with chirp and a slight bog

60' = 2.123
1/8 = 8.540
mph = 86.85
1/4 = 13.066
mph = 109.19
Corrected:
Stock and Mildly Modified Naturally Aspirated Engines
12.683 @ 112.567 MPH





3:28 pm
tire psi = 26
left lane
no burnout
1500 rpm launch with wheel spin through 1/2 of 1st gear

60' = 2.289
1/8 = 8.769
mph = 88.43
1/4 = 13.284
mph = 108.81
Corrected:
Stock and Mildly Modified Naturally Aspirated Engines
12.894 @ 112.176 MPH






4:18 pm
tire psi = 26
right lane
no burnout
1500 rpm launch with wheel spin for about 10'

60' = 2.208
1/8 = 8.662
mph = 86.59
1/4 = 13.183
mph = 109.70
Corrected:
Stock and Mildly Modified Naturally Aspirated Engines
12.796 @ 113.093 MPH





4:44 pm
tire psi = 26
right lane
no burnout
1500 rpm launch with wheel spin for about 10'.

60' = 2.216
1/8 = 8.670
mph = 86.65
1/4 = 13.194
mph = 109.91
Corrected:
Stock and Mildly Modified Naturally Aspirated Engines
12.807 @ 113.31 MPH
 

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what heads cam combo did you go with... beacause i am wanting to do at least a cam in the near future...
 

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Definately some improvements to be made on the 60'...........I am sure the Hoosiers should take care of that.
 

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What H/C are you running? and sorry for sounding stupid but what is a RXx-1 and RXx-2?
Look in the link to the "Corvette Doctor" for a list of what those mods are.
 
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Discussion Starter #13
What H/C are you running? and sorry for sounding stupid but what is a RXx-1 and RXx-2?
They are ported, polished stock 243 castings with .650 lift dual springs, double thick locks, titanium retainers and I now have 1.75:1 stainless steel roller rockers. They didn't have the roller rockers when I had the Corvette Doctor install them.

Definately some improvements to be made on the 60'...........I am sure the Hoosiers should take care of that.
Yeah, the track was super slippery and it would spin relentlessly with the Toyo Proxes T1R's. I have gotten a 1.996 there before on T1R's. Also, the Hoosiers are not for that, they are for road courses and with the wheelhop I'd never be able to heat them up at the drag strip.


Look in the link to the "Corvette Doctor" for a list of what those mods are.
Thanks.
 

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Did you get a set of Hendrix axles yet? I'm still waiting for someone to test those out at the track and see if we can launch better with them. That's one way to knock those 60 footers down.
 
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Discussion Starter #15
Nope. I can't justify spending that money right now. I don't usually go to the drag strip so I don't really ever get into any wheelhop situation. Most of the time when I break the rear tires loose it's around a corner and it doesn't hop.
 
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