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  • 1996 - 2004 SN95 Mustang -General/Talk-
  • SN95 4.6L Mustang Tech

max speed 3.73 ,4.10

  • Thread starter Thread starter moreause
  • Start date Start date Dec 25, 2003
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DE-03GT

New Member
Nov 23, 2003
41
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0
WNY
Dec 29, 2003
#21
  • Dec 29, 2003
  • #21
I was being fecitious about teh 5.14.
 

husun

Founding Member
Mar 22, 2002
564
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clark, nj
Dec 29, 2003
#22
  • Dec 29, 2003
  • #22
RacerGT said:
Excuse me? Looks like you're the one being an ass. Just like you do in every thread. Now, please proceed to shutup before you make yourself look like a bigger moron.
Click to expand...

You = the biggest moron in this thread. 4.10's and 3.73's will both increase your top speed. So if you're stupid dont reply.
 

husun

Founding Member
Mar 22, 2002
564
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clark, nj
Dec 29, 2003
#23
  • Dec 29, 2003
  • #23
DE-03GT said:
So if I run 5.14's I shoudl be able to hit like, what 180 mph, this lower gear=higher speed make absolutly no sense. If your red line is 5800 rpm you'll hit it a lot faster with lower gears than higher. Why would you "run out of steam before hitting your top speed". I'd really like a logical explination for this.
Click to expand...

Ok, with a stock GT and normal 3.27 gears you can only reach say 4000 rpms in 5th. This equates to so many mph. The reason you can't get past 4k is the air resistance at that point is more than the hp your car makes can overcome. Now say you switch to 3.73. You will be now at a higher rpm where the old air resistance used to stop you. higher rpm = more hp. The additional power will let you accelerate a little more.

There comes a point of diminishing returns though. It depends on how much power your car makes but evenutally a high enough gear you will be hitting redline where the air resistance stops you. So if you go even higher than that you will be hitting redline before top speed and will lower your top speed. This might be the case with 5.14's but i'm not sure what speed they max out at.
 
R

RacerGT

Founding Member
Jun 28, 2002
2,371
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St. Charles, Missouri
Dec 29, 2003
#24
  • Dec 29, 2003
  • #24
husun said:
You = the biggest moron in this thread. 4.10's and 3.73's will both increase your top speed. So if you're stupid dont reply.
Click to expand...

You'll run out of gear to get there, so this topic is pointless. Whatever.

Who will EVER need to go 180mph. Please, tell me that. I'd love to see you guys smeared all over the road from trying to do that on a highway. Morons.
 
D

DE-03GT

New Member
Nov 23, 2003
41
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WNY
Dec 29, 2003
#25
  • Dec 29, 2003
  • #25
So your saying the extra 600 or so rpm will put you in a power band that will over come the air resistance, maybe in theory but real life it's bs. Lower gears mean lower top end. You may arrive at a certain speed quicker but you will never go faster (top speed) with 4.11's than you will with 3.23's. If you didn't get it i was bull****ting about the 5.14's.
 

husun

Founding Member
Mar 22, 2002
564
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clark, nj
Dec 29, 2003
#26
  • Dec 29, 2003
  • #26
RacerGT said:
You'll run out of gear to get there, so this topic is pointless. Whatever.

Who will EVER need to go 180mph. Please, tell me that. I'd love to see you guys smeared all over the road from trying to do that on a highway. Morons.
Click to expand...

no, wrong again, you have plenty of "gear" left, just not enough power to get you to the gears max.

Also if your into road racing on a circle track or endurance type races 180mph is easily attainable. So please stfu and die.
 

MT1083

New Member
Sep 16, 2003
1,033
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0
Charlotte, NC
Dec 29, 2003
#27
  • Dec 29, 2003
  • #27
husun said:
Ok, with a stock GT and normal 3.27 gears you can only reach say 4000 rpms in 5th. This equates to so many mph. The reason you can't get past 4k is the air resistance at that point is more than the hp your car makes can overcome. Now say you switch to 3.73. You will be now at a higher rpm where the old air resistance used to stop you. higher rpm = more hp. The additional power will let you accelerate a little more.

There comes a point of diminishing returns though. It depends on how much power your car makes but evenutally a high enough gear you will be hitting redline where the air resistance stops you. So if you go even higher than that you will be hitting redline before top speed and will lower your top speed. This might be the case with 5.14's but i'm not sure what speed they max out at.
Click to expand...

Good explanation. I never thought of it like that.
 

husun

Founding Member
Mar 22, 2002
564
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clark, nj
Dec 29, 2003
#28
  • Dec 29, 2003
  • #28
DE-03GT said:
So your saying the extra 600 or so rpm will put you in a power band that will over come the air resistance, maybe in theory but real life it's bs. Lower gears mean lower top end. You may arrive at a certain speed quicker but you will never go faster (top speed) with 4.11's than you will with 3.23's. If you didn't get it i was bull****ting about the 5.14's.
Click to expand...

This is not rocket science here or any kind of complex theory. I dont see how its that hard to understand. For arguments sake:

600 rpm higher = a little more power
a little more power = a little higher topspeed

REAL WORLD

And the reason I included 5.14's in my post was to show you how they fit into what I was saying. Obviuosly no one uses them.
 
D

DE-03GT

New Member
Nov 23, 2003
41
0
0
WNY
Dec 29, 2003
#29
  • Dec 29, 2003
  • #29
husun said:
So please stfu and die.
Click to expand...
Grow up, your lack of knowledge is second only to your lack of maturity.
 

husun

Founding Member
Mar 22, 2002
564
0
0
clark, nj
Dec 29, 2003
#30
  • Dec 29, 2003
  • #30
DE-03GT said:
Grow up, your lack of knowledge is second only to your lack of maturity.
Click to expand...

What does that say for you and racergt then, since I proved you both wrong.
 

GTvert01

New Member
Nov 24, 2003
636
0
0
West Plains, MO
Dec 29, 2003
#31
  • Dec 29, 2003
  • #31
DE-03GT said:
You may arrive at a certain speed quicker but you will never go faster (top speed) with 4.11's than you will with 3.23's. If you didn't get it i was bull****ting about the 5.14's.
Click to expand...


What differential are you running with 4.11s and 3.23s?
I changed from a 3.27 to 4.10 with my 8.8.
 

Route666

Active Member
Aug 16, 2003
1,652
6
39
Brisbane, Australia
Dec 29, 2003
#32
  • Dec 29, 2003
  • #32
DE-03GT said:
So your saying the extra 600 or so rpm will put you in a power band that will over come the air resistance, maybe in theory but real life it's bs. Lower gears mean lower top end. You may arrive at a certain speed quicker but you will never go faster (top speed) with 4.11's than you will with 3.23's. If you didn't get it i was bull****ting about the 5.14's.
Click to expand...

The vehicle's theoretical top speed would be lower yes, as has been said, but it is possible for the actual top speed to be higher.

To illustrate, I have drawn up a diagram. Now, the numbers are off, etc, but it is just drawn to explain the higher top speed (not to you, you seem to get it).

The black curve is the power curve over an rpm range, and in top gear, you get a certain speed at a certain rpm. The blue curve is the power required to overcome wind resistance, rolling resistance, etc with the original gears.

Where the two curves cross is where the actual top speed of the car will be.

The red curve shows the frictional losses with the new gears, and I have illustrated that the old top speed is now higher in the rpm range, notice the pointer points to the same Y value on the red curve. The new top speed however, is where the red and black curve cross, and since the car is making more power in the new gear range, it is able to overcome a higher amount of frictional loss (higher Y value on red curve).

 

Mustang92

SN's #1 1%er
Jun 6, 2001
6,467
2
79
South Florida
Dec 29, 2003
#33
  • Dec 29, 2003
  • #33
/sitting back eating popcorn...

Bill
 

Jackie Chan

I didn't read this.
Founding Member
Oct 17, 2002
2,507
4
48
Orlando, FL
Dec 29, 2003
#34
  • Dec 29, 2003
  • #34
why is this not a sticky yet?

3.27 will give you a higher top speed real world...pffft
 

340.29m/s

New Member
Sep 22, 2003
213
0
0
Blue Springs, Mo
Dec 29, 2003
#35
  • Dec 29, 2003
  • #35
people these days
 
R

RacerGT

Founding Member
Jun 28, 2002
2,371
0
0
St. Charles, Missouri
Dec 29, 2003
#36
  • Dec 29, 2003
  • #36
husun said:
no, wrong again, you have plenty of "gear" left, just not enough power to get you to the gears max.

Also if your into road racing on a circle track or endurance type races 180mph is easily attainable. So please stfu and die.
Click to expand...

So, you're saying that I can get to 180mph with my 4.10s? AHAHAHAHAHHA... no.
 

Beau

Founding Member
Jan 29, 2000
3,050
0
0
San Diego
Dec 29, 2003
#37
  • Dec 29, 2003
  • #37
so..some people are saying yes, some are saying no..and the ones who are saying yes are backing it up with explanations and examples..while the ones who are saying no are just still saying no....??


in any case this has been an informative thread
 

Jackie Chan

I didn't read this.
Founding Member
Oct 17, 2002
2,507
4
48
Orlando, FL
Dec 29, 2003
#38
  • Dec 29, 2003
  • #38
yes to what and no to what?
 

Beau

Founding Member
Jan 29, 2000
3,050
0
0
San Diego
Dec 29, 2003
#39
  • Dec 29, 2003
  • #39
Jackie Chan said:
yes to what and no to what?
Click to expand...
yes and no to whether changing gears results in a higher top speed, theoretical or real.
 

husun

Founding Member
Mar 22, 2002
564
0
0
clark, nj
Dec 29, 2003
#40
  • Dec 29, 2003
  • #40
RacerGT said:
So, you're saying that I can get to 180mph with my 4.10s? AHAHAHAHAHHA... no.
Click to expand...

How old are you? I really can't fathom how you still dont get this concept. Are you one of the "special kids" in school? As I said in the post you actually quoted me on, you will be limited by power. NOT GEAR like you said.
 
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