• Mustang Forums
  • 1979 - 1995 (Fox, SN95.0, & 2.3L) -General/Talk-

rear gears

  • Thread starter Thread starter keegan.martin
  • Start date Start date Oct 26, 2021
K

keegan.martin

Member
Aug 9, 2020
80
5
18
Blissfield, Michigan
Oct 26, 2021
#1
  • Oct 26, 2021
  • #1
I have a AODE trans and i’m looking to put new gears into it. I want something crazy out of the hole i don’t care about top speed just street racing really, i have heads cam holley sniper efi and refreshed block. I was thinking 4.56, 4.88 or a 4.30 but it’s a 4 speed trans and not sure which one to go with
 
K

keegan.martin

Member
Aug 9, 2020
80
5
18
Blissfield, Michigan
Oct 26, 2021
#2
  • Oct 26, 2021
  • #2
it’s pushing 350ish to the crank, tires i will get whatever i need to get traction
 
K

keegan.martin

Member
Aug 9, 2020
80
5
18
Blissfield, Michigan
Oct 26, 2021
#3
  • Oct 26, 2021
  • #3
also forgot about the 2800 stall converter
 

manicmechanic007

5 Year Member
Sep 26, 2017
2,526
711
143
Roy, Utah
Oct 26, 2021
#4
  • Oct 26, 2021
  • #4
4.56
 
K

keegan.martin

Member
Aug 9, 2020
80
5
18
Blissfield, Michigan
Oct 26, 2021
#5
  • Oct 26, 2021
  • #5
manicmechanic007 said:
4.56
Click to expand...
why the 4.56
 

manicmechanic007

5 Year Member
Sep 26, 2017
2,526
711
143
Roy, Utah
Oct 27, 2021
#6
  • Oct 27, 2021
  • #6
I have them in mine and like them
I had 4.88 in an old Camaro and was a bit too much
I am going to get another 9 inch carrier and build a 4.11 trac loc just to try them
 

manicmechanic007

5 Year Member
Sep 26, 2017
2,526
711
143
Roy, Utah
Oct 27, 2021
#7
  • Oct 27, 2021
  • #7
If you are going racing you may end up with 5.13 or so for the beat trap time
The old saying went like this
You need to be in your top gear at top rpm at the light (trap)
So there is a formula for tire size RPM and gear ratio to get at this number
There is an old book titled "how to make your car handle" that goes into some of these formulas and is a very good read for us car guys
 
C

chrlsful

Active Member
Mar 6, 2021
278
37
38
Lawrence Swamp, S.Amherst, MA
Nov 2, 2021
#8
  • Nov 2, 2021
  • #8
"...to get at this number..."
on-line gear calculators?
 

manicmechanic007

5 Year Member
Sep 26, 2017
2,526
711
143
Roy, Utah
Nov 2, 2021
#9
  • Nov 2, 2021
  • #9
I'm sure the formulas are online by now
Get and read the book anyway
 
You must log in or register to reply here.

Similar threads

A
Old Holley head identification???
  • Ar15cobra
  • Jan 27, 2026
  • 1979 - 1995 (Fox, SN95.0, & 2.3L) -General/Talk-
Replies
2
Views
148
1979 - 1995 (Fox, SN95.0, & 2.3L) -General/Talk- Jan 27, 2026
AeroCoupe
T
Newbie looking for some info on speedo gears
  • TDM389
  • Nov 15, 2025
  • 1979 - 1995 (Fox, SN95.0, & 2.3L) -General/Talk-
Replies
3
Views
222
1979 - 1995 (Fox, SN95.0, & 2.3L) -General/Talk- Nov 16, 2025
TDM389
T
1
Progress Thread Plasma 1993 vert
  • 1775usmarine
  • Aug 18, 2025
  • 1979 - 1995 (Fox, SN95.0, & 2.3L) -General/Talk-
Replies
7
Views
239
1979 - 1995 (Fox, SN95.0, & 2.3L) -General/Talk- Aug 25, 2025
AeroCoupe
P
67 Mustang, with the 302 want to convert auto back to the original manual
  • Pdunn
  • May 3, 2026
  • Classic Mustang Specific Tech
Replies
2
Views
93
Classic Mustang Specific Tech May 7, 2026
Mcmahst
J
MEED HELP!! 86 mustang
  • Jacob0121
  • Jan 23, 2026
  • 1979 - 1995 (Fox, SN95.0, & 2.3L) -General/Talk-
Replies
6
Views
304
1979 - 1995 (Fox, SN95.0, & 2.3L) -General/Talk- Apr 25, 2026
CAMTWO1070
Share:
Bluesky Email Share Link
  • Mustang Forums
  • 1979 - 1995 (Fox, SN95.0, & 2.3L) -General/Talk-
Menu
Log in

Register

  • Forums
  • What's new
  • Media
  • Resources
  • Contact
  • Sponsor
X

Privacy & Transparency

We use cookies and similar technologies for the following purposes:

  • Personalized ads and content
  • Content measurement and audience insights

Do you accept cookies and these technologies?

X

Privacy & Transparency

We use cookies and similar technologies for the following purposes:

  • Personalized ads and content
  • Content measurement and audience insights

Do you accept cookies and these technologies?