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

4.10's and speedo?

  • Thread starter Thread starter vvzer0incvv
  • Start date Start date Dec 19, 2003
V

vvzer0incvv

New Member
Aug 27, 2003
133
0
0
Carol Stream, IL
Dec 19, 2003
#1
  • Dec 19, 2003
  • #1
Well i did it, i bit the bullet and went with 4.10's. I was only going to go with 3.73's but I'll be N/A for a while so 4.10's it is. I was looking at the speedo gears from steeda to correct my guages, but it shows the same gear for 3.55, 3.73, and 4.10's? Whats the best way to correct my readings? Thanks guys
 

merc123

Active Member
Jan 27, 2003
420
2
39
North GA
Dec 19, 2003
#2
  • Dec 19, 2003
  • #2
It is probably different gears. More/less teeth on the little gear.
 
V

vvzer0incvv

New Member
Aug 27, 2003
133
0
0
Carol Stream, IL
Dec 19, 2003
#3
  • Dec 19, 2003
  • #3
thats what i thought at first but all three have 23theeth...on the brothers performance site they even say that they speedogears aren't accurate after 3.55 gears.
 

~B7~

New Member
Apr 2, 2003
369
0
0
TX
Dec 19, 2003
#4
  • Dec 19, 2003
  • #4
Get a Dallas Mustang SpeedCal. Mine works great, and I changed my settings when I upgraded wheels/tires.

Others may have had problems with their DM SpeedCal, but mine works great.
 

Wills Black 98

New Member
Dec 16, 2002
2,455
0
0
Western North Carolina
Dec 19, 2003
#5
  • Dec 19, 2003
  • #5
i have a dallas mustang speedcal and it works great! actually it just gets the job done and thats all i need it to do... ive heard that with the plastic gear thing it breaks easily. you can get the speedcal from partshopper for around 100 dollars.
 

~B7~

New Member
Apr 2, 2003
369
0
0
TX
Dec 19, 2003
#6
  • Dec 19, 2003
  • #6
Wills Black 98 said:
i have a dallas mustang speedcal and it works great! actually it just gets the job done and thats all i need it to do... ive heard that with the plastic gear thing it breaks easily. you can get the speedcal from partshopper for around 100 dollars.
Click to expand...

I walked into Dallas Mustang and bought mine.

What's the plastic gear thing?
 
V

vvzer0incvv

New Member
Aug 27, 2003
133
0
0
Carol Stream, IL
Dec 19, 2003
#7
  • Dec 19, 2003
  • #7
the plastic gear thing is a new drive gear that goes into the tranny...it fixes your speedo, but doesn't last long cause its plastic. I'm glad to hear good things about the speed cal...I think thats what i will do cause i also plan on getting new rims and tires so if i make any changes it should be cool.

Thanks for you help guys
 

~B7~

New Member
Apr 2, 2003
369
0
0
TX
Dec 19, 2003
#8
  • Dec 19, 2003
  • #8
vvzer0incvv said:
the plastic gear thing is a new drive gear that goes into the tranny...it fixes your speedo, but doesn't last long cause its plastic. I'm glad to hear good things about the speed cal...I think thats what i will do cause i also plan on getting new rims and tires so if i make any changes it should be cool.

Thanks for you help guys
Click to expand...

If you buy one, use the colored directions on their website. The black/white ones that come with it are a little hard to understand in the pictures.

Plus, you can go to their website and use the calibrator for when you change gears/tire size so you know what code to put in.

I don't have a chip (I don't have many mods), so thats why I went this route.
 
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