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From: 2007 Nat'l Corvette Challenge 11.50 index Champ. New Jersey
Originally Posted by jessem
so i dropped tire pressure to 28.and my best time today was 14.40@100mph.i guess it's getting better,little by little.would having a corsa x-pipe and borla straight pipes cause the car to bog?
The exhaust changes would only help if anything. Don't worry too much about the tire pressure yet! What were your 60' times today??
Are you winding out the gears now, & are you shifting VERY VERY fast, or like you're out on a Sunday drive? If your 60' times are still 2.4, just by reducing that down to 2.0 would reduce your ET by approximately .6 seconds alone! That would put you at 13.8. You should be in the mid 13's no problem!
yea,my times are still in the 2.4-2.7 range for 60'.the first run i couldn't get the tires to grip and burned rubber on the line.the last run was ok,i at least got to 100 miles an hour.i'm shifting as fast as i can,but i do need improvement and practice in that area.going again on oct 31st,if not sooner down in jersey.if i feel like a 4 hour drive!
From: 2007 Nat'l Corvette Challenge 11.50 index Champ. New Jersey
I'll most likely be there on Oct.9th. @ Etown.
Are you turning off the traction control?
No offense, but 2.4-2.7 60' times are horendous dude! At 2.7, you've left almost a full second of ET on the starting line! You need to even remotely coordinate your left & right feet to work together. Let the clutch out a bit slower & get into the gas a lot slower then you've been doing.
yea,my times are still in the 2.4-2.7 range for 60'.the first run i couldn't get the tires to grip and burned rubber on the line.the last run was ok,i at least got to 100 miles an hour.i'm shifting as fast as i can,but i do need improvement and practice in that area.going again on oct 31st,if not sooner down in jersey.if i feel like a 4 hour drive!
I would not worry about your shifting, I dont think thats the problem here, your running mid/low 14s with a 2.7 short time, if you can get off the line better something like a 2.0 you'll be right where you should be at the end.