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Dragstrip and Launch Techniques Discussion 1/4 mile, 1/8 mile, launch discussions.

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Old 11-12-2013, 09:57 PM   #1
DarkwingT
 
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Arrow Optimum Shifting - LS#

Ok gents, here's a question I was pondering this afternoon.

I've been wondering - is there a specific RPM to shift in each gear? (I notice anything at / or above 3 rpm works smoothly)

Obviously I've got the 1-4 shift for mpg, which I use (sometimes).

But from 1-2.. 2-3.. 4-5.. etc. is there a recommended shift range?

What about for racing?

Just curious.

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P.S. How do I add a banner? I see you guys to that.. I wanna do it too!
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Old 11-12-2013, 10:41 PM   #2
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Right before redline if you're trying to go fast.
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Old 11-13-2013, 12:15 AM   #3
3rdgen3
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In the city you dont want to shift to low or else you will be lugging the engine and your MPG will actually suffer.

I find that i shift between 2-3k rpms, give or take.

When racing, as Biscuitpie said, shift at redline JUST before the limiter.


Anf by banner, do you mean signature? You need to make one..
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Old 11-13-2013, 12:41 AM   #4
Comrando
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I usually tool around the neighborhood in 4th at 14-20 MPH. It's not like I need immediate acceleration.

Except when the Pit Bull decided to attack my right front. I steered away twice but the third time I downshifted to 2nd and aimed at the animal. I never saw that SOB again

But to answer your question I usually run up to speed in 1st or 2nd then shift to 4th or 5th.

There is no need to "row through the gears" in daily driving.
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Old 11-13-2013, 07:09 AM   #5
ChrisBlair
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lots of threads on this, and it completely depends on what you're doing, driving conditions, road grade or incline.

I slightly disagree with Comrando though, 20 mph in 4th? That's dogging the engine in my opinion. But I do commonly skip 3rd. My "good rpm range" for 3rd is overlapped so well by 2nd and 4th that 3rd isn't something I rely on getting me to 4th or 5th. I use 3rd on decel much more than accel

I agree 100% that there's no need to use every gear in daily driving
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Old 11-13-2013, 07:23 AM   #6
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I'm not sure if the gearing is the same for the v6, but just to toss it out there, I commonly shift at 2k when daily driving
1- 1-10
2-10-20
3-20-30
4-30-40
5-40-48
6-cruising time
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Old 11-13-2013, 07:35 AM   #7
ChrisBlair
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Hi everyone

DarkwingT has an LS3. He had the 'shift' key held down when he typed up 'LS3'. The # is the symbol you get from holding shift and pressing '3'. He has a 1SS with the LS3 engine

Just an observation
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Old 11-13-2013, 07:57 AM   #8
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Around town I drive mine as a 4 speed shifting around 3-3.5 k ...
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Old 11-13-2013, 11:43 AM   #9
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Quote:
Originally Posted by SlingShot View Post
Around town I drive mine as a 4 speed shifting around 3-3.5 k ...
This.
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Old 11-13-2013, 01:19 PM   #10
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Quote:
Originally Posted by SlingShot View Post
Around town I drive mine as a 4 speed shifting around 3-3.5 k ...
Same here. Downshift at 1.5-2 k.
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Old 11-15-2013, 06:53 AM   #11
ChrisBlair
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So do you guys really stay at say 2700 rpm for extended periods, just because you haven't gotten enough speed to reach 3000 rpm?
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