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My friends think I am strange for shifting my vette which is an automatic when I race or do performance driving. I have been driving like this for a while now but, recently I got wondering how many other people shift their automatics. Since the only way I have of finding out is through here. How many of you shift your automatics?
From: Life is just one big track event. Everything before and after is prep and warm-up and cool-down laps
Cruise-In III Veteran
Cruise-In IV Veteran
St. Jude Donor '12
Re: Do you shift your automatic? (OrangeC4)
Depends on what type of driving I'm doing.
Commute - keep it in D until the rare 55mph then OD
Hard Launch - D
Twistie turnie road with few straights - 2, occasionaly up shift to D and back down to 2. Depends on the length of straights. Keeps it in the power and tourqe band.
It's usually best to let it shift since the computer knows when it should shift.. and you usually don't. I am going to be reprogramming my computer's shift points though so I won't have to worry about manually shifting for "sport mode". I'm going to extend shifts with over 50% throttle up into the higher rpm's.
I just put it in OD and leave it. The only manual shifting ive done was down shifting to keep from riding the brakes on big hills or when the radar went nuts.
i let the car shift. i had a shift kit installed. now the car automatically chirps 2nd! :D my mechanic is always telling me i can shift the car manually but i just dont want 2 break anything. :smash: :eek:
Re: Do you shift your automatic? (yoslambo1@cs.com)
To each their own.... some like to leave it in "D", some like to shift themselves. To control wheelspin on street tires I manually shift. On slicks... next time out, I am holding it down while leaving it in "D". Just for comparison, I'll do two runs in the same lane in "D" then run manually shift and see if there are differences. I'd always wanted to know if one's better than the other.
The tranny will up-shift at the right time most of the time, but what I have found is that it doesn't down-shift when you want it to and sometime it is too high of a gear. If you leave the car in D and you want to be in 2nd, like for going through s-turns and such it will up-shift when it doesn't like to be in 2nd anymore but when it should be. Times like this is when I shift it manually to get better performance out of the car.
From what I've seen manual shifting slows the car down at the strip. You have no control on how fast it shifts like a manual, so you are at the mercy of your tranny for how long it will or won't take depending on your setup.
If you have your cables adjusted right (or computer programmed right for later years), shouldn't it shift at optimal points anyways?