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Anyone Have 3.73 Gears In Their Auto?

  • Thread starter Thread starter CBZLX50
  • Start date Start date Nov 10, 2014

CBZLX50

New Member
Oct 31, 2014
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1
Nov 10, 2014
#1
  • Nov 10, 2014
  • #1
I need to switch my gears from 2.73,s. I don't care about the strip so much as around the city and a little freeway driving. I don't use my Stang for long distance trips. So, what gear would help me with a good HP adder? 3.73's, 410's Which are better?
 
1

1976hornet

New Member
Nov 10, 2014
1
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Essex, Connecticut
Nov 10, 2014
#2
  • Nov 10, 2014
  • #2
I would go with 3.73s or if I was you even 3.50s. 4.10s are too high especially not needing a gear that's meant for the strip. For cruising around the town and highway 3.50s are the way to go, you get good throttle response and keep the rpms manageable on the highway without winding out. You will be amazed the difference from your gears even to 3.00s. What are you running for a Trans?
 

CBZLX50

New Member
Oct 31, 2014
11
0
1
Nov 11, 2014
#3
  • Nov 11, 2014
  • #3
Using an AOD trans with a hammer shifter. Kinda different. Can't burnout for crap as the gears are so high. But I really didn't want to go to 410's. I usually put 3.73's in my 5 speeds, just never had an Aod DD until now.
 

mikestang63

SN Certified Technician
Aug 27, 2012
11,606
8,859
214
In the garage
Nov 11, 2014
#4
  • Nov 11, 2014
  • #4
rule of thumb

AOD 3.73 or 4.10 if you don't do much highway driving
stick- 3.55

Get the upgraded install kit , new axle bearings and also check the trak lok if the clutches need to be rebuilt
 

Mustang5L5

That is…until I whipped out my Bissell
Mod Dude
Feb 18, 2001
43,260
17,944
224
Massachusetts
Nov 12, 2014
#5
  • Nov 12, 2014
  • #5
I personally would consider 3.55's or 3.73's.

If you do a lot of highway cruising, i'd go 3.55's.
 
D

Dave2000GT

Active Member
Oct 3, 2005
229
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39
Seattle
Nov 12, 2014
#6
  • Nov 12, 2014
  • #6
I've never owned an auto mustang.
 

Mustang5L5

That is…until I whipped out my Bissell
Mod Dude
Feb 18, 2001
43,260
17,944
224
Massachusetts
Nov 13, 2014
#7
  • Nov 13, 2014
  • #7
Dave2000GT said:
I've never owned an auto mustang.
Click to expand...


Then why are you posting in this thread? To take a jab at automatic owners?
 
Last edited: Nov 13, 2014

CBZLX50

New Member
Oct 31, 2014
11
0
1
Nov 13, 2014
#8
  • Nov 13, 2014
  • #8
I am glad for the help. I will not go for the 4.10's but will go for the 3.73's. The last auto Mustang I had I changed to a 5 speed swap. Now swaps are expensive and you might as well buy a whole car to do the swap. I am sticking to the auto for that reason. I just need to get those high 2.73's out and have some wheel burning gears.

I do the full bearing change as usual. I just buy the full FRPP kit with bearings and fluids from LMR and take it to the local drivetrain shop.
 
D

Dave2000GT

Active Member
Oct 3, 2005
229
26
39
Seattle
Nov 13, 2014
#9
  • Nov 13, 2014
  • #9
Mustang5L5 said:
Then why are you posting in this thread? To take a jab at automatic owners?
Click to expand...
You're right I apologize - but that wasn't my intention to take a jab. It was just a tongue in cheek remark, basically saying I can't help you. I've had manuals with 273, 308, 355 and 410 (this was a new edge not fox though). For manual I would never go higher than 355.
 
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