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Old 05-11-2012, 09:16 AM   #1
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Love this link on gears...

This is from a Viper forum but I really like the explanation of gear swaps.

http://www.viperclub.org/howto/faqs/...-gear-swap.php
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Old 05-11-2012, 09:35 AM   #2
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Re: Love this link on gears...

Great info and good read.

Only thing I have to add is that the argument of losing top-end with steeper gears is only really applicable to higher-hp engines. As I've said and proven before.. On a stock New Edge GT your top end will increase with steeper gears. And actually.. The physics is explained in your above article well. It says 168mph top-end with 3.73 gears in 5th gear(no pull in sixth) and a 200mph top end with 4.10s in sixth gear(because you can still accelerate). I rest my case once again against everyone who STILL argues with my that steeper gear kills top-end. Bite me.
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Old 05-11-2012, 09:50 AM   #3
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Quote:
Originally Posted by ColeJohnson
Great info and good read.

Only thing I have to add is that the argument of losing top-end with steeper gears is only really applicable to higher-hp engines. As I've said and proven before.. On a stock New Edge GT your top end will increase with steeper gears. And actually.. The physics is explained in your above article well. It says 168mph top-end with 3.73 gears in 5th gear(no pull in sixth) and a 200mph top end with 4.10s in sixth gear(because you can still accelerate). I rest my case once again against everyone who STILL argues with my that steeper gear kills top-end. Bite me.
Ha! I was gonna ask everyone to place bets to see who would respond first.
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Old 05-11-2012, 10:38 AM   #4
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Humph. I guess I'm too predictable. Oh well.
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Old 05-11-2012, 10:40 AM   #5
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Originally Posted by ColeJohnson
Humph. I guess I'm too predictable. Oh well.
I thought it was a good read you'd like it. Word up!
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Old 05-15-2012, 11:17 AM   #6
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Re: Love this link on gears...

Quote:
Originally Posted by ColeJohnson View Post
Great info and good read.

Only thing I have to add is that the argument of losing top-end with steeper gears is only really applicable to higher-hp engines. As I've said and proven before.. On a stock New Edge GT your top end will increase with steeper gears. And actually.. The physics is explained in your above article well. It says 168mph top-end with 3.73 gears in 5th gear(no pull in sixth) and a 200mph top end with 4.10s in sixth gear(because you can still accelerate). I rest my case once again against everyone who STILL argues with my that steeper gear kills top-end. Bite me.
I think the misconception comes in the phrase 'kills top end'. It simply reduces the top speed attainable BUT in my car my 4.10s have definitely surged my 4th and 5th gear pull at any speed. I have definitely gained top end acceleration just as you stated.
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Old 05-15-2012, 11:29 AM   #7
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Quote:
Originally Posted by Borii
I think the misconception comes in the phrase 'kills top end'. It simply reduces the top speed attainable BUT in my car my 4.10s have definitely surged my 4th and 5th gear pull at any speed. I have definitely gained top end acceleration just as you stated.
Well put. I specifically remember gears 3 and up had significantly less punch on my 92 GT that had the factory 3.27 gear. It would have been quite a treat to have seen the difference after maybe a 3.73 or 4.10 swap.
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Old 05-15-2012, 11:32 AM   #8
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Quote:
Originally Posted by Borii
I think the misconception comes in the phrase 'kills top end'. It simply reduces the top speed attainable BUT in my car my 4.10s have definitely surged my 4th and 5th gear pull at any speed. I have definitely gained top end acceleration just as you stated.
Well.. 3.27 top speed was roughly 130 or so. 4.10 top speed was 147. That's with my car; only thing changed was gears. My experience.
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Old 05-15-2012, 12:45 PM   #9
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Re: Love this link on gears...

Quote:
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Well.. 3.27 top speed was roughly 130 or so. 4.10 top speed was 147. That's with my car; only thing changed was gears. My experience.
A 3.27 will go higher but the car may not be able to go higher. 4.10s increasing the torque multiplication will allow you to push through air with less resistance.

By top speed with 3.27, do you mean how far you were able to go before the car resisted?
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Old 05-16-2012, 05:27 AM   #10
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Quote:
Originally Posted by Borii

A 3.27 will go higher but the car may not be able to go higher. 4.10s increasing the torque multiplication will allow you to push through air with less resistance.

By top speed with 3.27, do you mean how far you were able to go before the car resisted?
You're proving my point..?

And by top speed I meant the speed at which the car no longer accelerated.
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Old 05-16-2012, 07:08 AM   #11
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Re: Love this link on gears...

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You're proving my point..?

And by top speed I meant the speed at which the car no longer accelerated.
Gotcha' Yes. That is why I asked. It was a little mis leading.
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Old 05-19-2012, 09:56 AM   #12
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I'm not an expert on gears so lets ask this question? Say I do a swap from 3.23s to 4.10s, given that there is no wind resistance due to being on say a dyno, will your top speed decrease (top speed as in how fast the car can go when it redlines in the highest gear)?
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Old 05-19-2012, 03:08 PM   #13
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Re: Love this link on gears...

Yes it decreases because the higher the number the shorter the physical gear
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Old 05-19-2012, 03:14 PM   #14
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Re: Love this link on gears...

That's what i was thinking, i understand the part of having more pull at higher speed with the wind resistance, i just wanted to clarify the other part.
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Old 05-19-2012, 04:22 PM   #15
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Quote:
Originally Posted by Borii
Yes it decreases because the higher the number the shorter the physical gear
+1 Strictly physics really states that an object in motion will stay in motion unless an outside force acts on it. So if there is no resistance then the steeper gear will have a lower top speed because it will simply stop accelerating more quickly than a lower gear in a vacuum.
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