Shifting and Automatic

Discussion of LEGAL Vibe & Matrix racing events, autocross, drag racing, closed track road racing, and technical racing aspects. [Disclaimer]
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fuel4soul
Posts: 444
Joined: Tue Aug 19, 2003 1:10 pm

Shifting and Automatic

Post by fuel4soul »

I always here people talking about racing automatics,..ex- "Yeah then I threw in down to 3rd and took off.." Does the lower gears make it go faster or something? It doesn't seem like it to me but I always wondered...
fuel4soul
Posts: 444
Joined: Tue Aug 19, 2003 1:10 pm

Re: Shifting and Automatic (silverawd26)

Post by fuel4soul »

Meaning that will make it take off from a stop faster?
Kari
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Re: Shifting and Automatic (silverawd26)

Post by Kari »

Works a lot better if you don't stomp the gas, either. You lose more time stomping the gas and spinning the tires than you would if you put your foot down gradually but quickly.
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ragingfish
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Joined: Tue Oct 15, 2002 8:23 am

Re: Shifting and Automatic (fuel4soul)

Post by ragingfish »

quote:I always here people talking about racing automatics,..ex- "Yeah then I threw in down to 3rd and took off.." Does the lower gears make it go faster or something? It doesn't seem like it to me but I always wondered...I start in 1st if I want to take off from a light. Now, think about it. When you leave it in drive, and come to a stop, the car does downshift to 1. But the difference in manually downshifting to 1 is that I get extra RPMs and power before I let it hit second. The auto shifts much earlier, and in a lower power range, than it would if I left it in automatic.As for passing, yes, you can drop down a gear to get extra passing power. In the case of the Vibe automatic, turning off O/D using the button on the side of the shift knob is essentially downshifting to third gear. If you still need more, you can go down to 2, but note, if the car is moving to fast, the tranny will not allow it to downshift to 3rd until it's moving slow enough. So if you downshift to 2 and nothing happens, it's probably because you're moving too fast, and the tranny is keeping it in 3rd.
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Hot Vibe
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Re: Shifting and Automatic (ragingfish)

Post by Hot Vibe »

The automatic transmissions were not designed to be manually shifted. They are set to shift as designed. You may not like the performance it is doing what it was intended for. Manually changing gears is hard on the trans. The O/D button as stated before is your best bet.
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drunkenmaxx
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Re: Shifting and Automatic (Hot Vibe)

Post by drunkenmaxx »

> shift kit shift kit shift kit!!!
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ragingfish
Posts: 11022
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Re: Shifting and Automatic (Hot Vibe)

Post by ragingfish »

quote:The automatic transmissions were not designed to be manually shifted. They are set to shift as designed. You may not like the performance it is doing what it was intended for. Manually changing gears is hard on the trans. The O/D button as stated before is your best bet. Yeah, I know. It's so hard to resist the temptation though!
YES!I still visit GenVibe periodically. I have not forgotten about my "original" family over here!

2009 PONTIAC G8
3.6L V6 (256 HP @ 6300 rpm, 248 ft-lbs. @ 2100 rpm)
Pablo1669
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Re: Shifting and Automatic (Kari)

Post by Pablo1669 »

quote:Works a lot better if you don't stomp the gas, either. You lose more time stomping the gas and spinning the tires than you would if you put your foot down gradually but quickly.Not always the case, especially if/when you have really weak low end power. Have you ever heard the term "launch" used before in racing?
-Brian
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