First time at the track, 12.38@114, stock
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04 E55
First time at the track, 12.38@114, stock
My first run I managed a 12.7 @ 114 on a 2.0 60'.
The first run I used DC Sportmatic II and it spun a little for the 2.0 60'.
I changed to DC Sportsmatic I for the 2nd run and it hooked better. I forgot to turn off the AC too, so that run was with the AC on, haha. I might have managed a slightly higher trap speed with the AC off, but I doubt it would have been much.
I ran my POS rear tires at 17psi for both runs. They are cheap tires with 380 treadwear rating, certainly not very soft.
I could have had a lot more runs, I didn't really care though, that was a pretty solid run, I'm happy.
The first run I used DC Sportmatic II and it spun a little for the 2.0 60'.
I changed to DC Sportsmatic I for the 2nd run and it hooked better. I forgot to turn off the AC too, so that run was with the AC on, haha. I might have managed a slightly higher trap speed with the AC off, but I doubt it would have been much.
I ran my POS rear tires at 17psi for both runs. They are cheap tires with 380 treadwear rating, certainly not very soft.
I could have had a lot more runs, I didn't really care though, that was a pretty solid run, I'm happy.
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211-55
12.7 isn't bad at all and 12.38 is respectable. Wait for cooler weather and you might do a little better. Also, usually the lower the treadwear rating, the better it is for the dragstrip.
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04 E55
I'm looking into some new tires, sub 200 TW rating for sure.
What's the widest tire I should run on the stock rear rims?
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211-55
I read your original comment incorrectly, I thought you were wanting to run higher utqg rated tires. I have 275/30R19's in the rear and it looks like there's hardly room for anymore width unless I let it rub. You might just want to invest in drag radials for the strip and some higher rated performance tires for street driving so you're not going through tires every 8 months.
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04 E55
I don't mind, I work from home most of the time. I don't rack the miles on the E55. I like a fully streetable setup. I came from the world of AWD.
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Leave the suspension on the SOFTEST setting, and hit the airmatic RAISE button, and put it in 4x4 mode. Trust me....
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05 White Pano E55, Cadillac CTS-V
Lol. He is sayin if you were at a different track (one of those mentioned) where they get good weather (cool/cold and low humidity and or the right barometric pressure for making power) you could have went faster. Air Density can play a role in the cars performance so the lower that number (closer to sea level) or even below sea level the better off you are for running killer times (if you can hook off the line).
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05 White Pano E55, Cadillac CTS-V
I used to think it was 70 but specifically went slowly at those speed ranges and increased until it lowered down on my last trip from the Keys a few weeks ago so that is how I know for sure it is 75 
