1/4 mile gain from gears?

S

sage2k

Member

May 23, 2005

645

0

16

Baton Rouge, LA

May 27, 2005

#1

• May 27, 2005

• #1

stock 94 mustang gt convertable...estimating it runs high 15's
It has either 2.73 or 3.08 stock gears
What kinda gain in the quarter mile am I looking at by switching to 4.10 gears? What about a shift kit?

How much do shift kits cost with installation?

 

B

BULLITTSTANG95

New Member

Sep 26, 2003

97

0

0

Oklahoma City

May 27, 2005

#2

• May 27, 2005

• #2

i have a 95 gt aode car and i went from the 3.27 to 3.73 and dropped a half sec off 1/4 time

 

94MustangGT5.0

New Member

Apr 30, 2003

288

0

0

Champaign, Illinois

May 28, 2005

#3

• May 28, 2005

• #3

I'm subscribing, I am very interested in other people's gains. Bullittstang95, if I dropped a full 1/2 second off my time (which I imagine all of that gain came within the first 1/8 mile) I would have to change my pants.

 

WhiteDevil

New Member

Feb 4, 2003

2,717

0

0

San Diego

May 28, 2005

#4

• May 28, 2005

• #4

i had 3.08s in my car and i went 14.8 stock, gears were my firstmod next time at the track i went 14.37. They really help you out.

 

R

red95aodevert

New Member

Jan 28, 2004

64

0

0

Redford, MI

May 31, 2005

#5

• May 31, 2005

• #5

.4 - .5 all together. I have an AODE and went from 3.27's to 4.10's and only seen .3 due to shifting issues. After I installed a JMS chip I gained .3 more (some of that was due to trans. and fuel adjustments).

 

CManT1914

New Member

Feb 5, 2004

3,172

2

0

Killeen, Texas

May 31, 2005

#6

• May 31, 2005

• #6

What everybody's saying is generally pretty accurate. You WON'T see any gains if you're having traction problems right now, as gears tend to cause more traction issues. But they are usually good for nearly .5 seconds. They don't net you any mph, just et's, since they only allow you to get to that certain speed quicker.

EDIT: Oh yea, look on your door jamb sticker, under the box marked AX, that's your axle code. And here is the definitions:

M=2.73
E=3.27
Z=3.08

 

S

sage2k

Member

May 23, 2005

645

0

16

Baton Rouge, LA

May 31, 2005

#7

• May 31, 2005

• #7

red95aodevert said:

.4 - .5 all together. I have an AODE and went from 3.27's to 4.10's and only seen .3 due to shifting issues. After I installed a JMS chip I gained .3 more (some of that was due to trans. and fuel adjustments).

Click to expand...

JMS chip? Any info/links on it?
Thanks

 

M

mackey

Active Member

Jan 25, 2003

1,284

1

38

Beverly, Massachusetts

May 31, 2005

#8

• May 31, 2005

• #8

I went from a 14.3 to a 13.2 and there is a ton left more in the car. I just can't hook now. This is with gears and midpipe.

 

R

red95aodevert

New Member

Jan 28, 2004

64

0

0

Redford, MI

Jun 1, 2005

#9

• Jun 1, 2005

• #9

sage2k said:

JMS chip? Any info/links on it?
Thanks

Click to expand...

jmschip.com

Custom tuned chips usually are overkill for stock or slightly modified cars. I have an AODE and had serveral issues after the install of 4.10's so that is why I have one with my slightly modified car. You will see some performance gain by adding the chip but there are much better mods for the money if the chip is not requiured.

 

S

sage2k

Member

May 23, 2005

645

0

16

Baton Rouge, LA

Jun 1, 2005

#10

• Jun 1, 2005

• #10

red95aodevert said:

jmschip.com

Custom tuned chips usually are overkill for stock or slightly modified cars. I have an AODE and had serveral issues after the install of 4.10's so that is why I have one with my slightly modified car. You will see some performance gain by adding the chip but there are much better mods for the money if the chip is not requiured.

Click to expand...

I have an AODE and am planning 4.10 gears for my first mod, what issues did you run into?

 

R

red95aodevert

New Member

Jan 28, 2004

64

0

0

Redford, MI

Jun 2, 2005

#11

• Jun 2, 2005

• #11

sage2k said:

I have an AODE and am planning 4.10 gears for my first mod, what issues did you run into?

Click to expand...

Shift points and rev limiter. The trans. would not shift at the correct RPM's and would often hit the rev limiter. Wasn't as much of a problem from a dead dig but at a roll if I punched the gas it would hit the limiter for sure. My stall converter most likely added to the problem. I have seen other people on here complaining of the same issues with 4.10's but others have no issues at all. Guess it's a gamble to see if you will have these issues. All things concidered I am glad I choose the 4.10's but wish I had known about the shifting issues ahead of time. Without the chip I believe I would have had a better ET with 3.73's.

 

S

sage2k

Member

May 23, 2005

645

0

16

Baton Rouge, LA

Jun 2, 2005

#12

• Jun 2, 2005

• #12

did you have a problem with normal cruising around town before you got the chip?

 

R

red95aodevert

New Member

Jan 28, 2004

64

0

0

Redford, MI

Jun 2, 2005

#13

• Jun 2, 2005

• #13

No problems under normal driving conditions.