• Mustang Forums
  • 1979 - 1995 (Fox, SN95.0, & 2.3L) -General/Talk-
  • Fox 5.0 Mustang Tech

automatic trans? upgrade? Beefy? what can be done smhh

  • Thread starter Thread starter 91notchbackk
  • Start date Start date Nov 5, 2011
9

91notchbackk

New Member
Oct 10, 2011
4
0
0
maryland
Nov 5, 2011
#1
  • Nov 5, 2011
  • #1
how do i meet in the middle? i want my automatic to perform how do i beef it up without ruining dailydriving/street car capabilities
 

tannerc91gt

This last 25% is foreign territory at this point
Founding Member
Nov 29, 1999
4,392
2,967
234
Indiana
Nov 5, 2011
#2
  • Nov 5, 2011
  • #2
Kind of need to know your specs and goals. If theyre in your sig, my appoligies, can't see them on mobile.
 
9

91notchbackk

New Member
Oct 10, 2011
4
0
0
maryland
Nov 5, 2011
#3
  • Nov 5, 2011
  • #3
tannerc91gt said:
Kind of need to know your specs and goals. If theyre in your sig, my appoligies, can't see them on mobile.
Click to expand...

appreciate your input see i kind of developed a passion for cars as i got older and regret running around in the woods while my step-dad fixed my moms old 88 fox in the garage i did attend a highschool tech program so i understand some of the science and rules so im not gonna try to come off as a know it all and offend all these very knowledgeable techs and ppl alike haha but my basic plan for my 1991 notch is to restore it add my body/cosmetic mods and beef it up to back up the looks because im in between on the art of building a car for looks/comfort vs power so my plans are to meet in the middle. so i have my suspension, brakes and engine and tuning plans, i want to use a stock bottom end with aluminum heads, and a supercharger kit , and bbk lower intake manifold. i want to achieve anywhere from 350-375 horsepower, my problem is i wanna retain ride quality and daily driveability my suspension kit im planning on buying meets in the middle but im not sure what can be done to the automatic trans to maintain comfort and ride quality but still take off like a race car and handle the extra hp!!! any suggestions comments help insults idc would be greatly appreciated im just trying to take in as much as possible and again i kno a good bit but not the specifics so id appreciate an explanation for dummies if possible
 

Dino Dino Bambino

15 Year Member
Jun 13, 2007
1,672
89
79
Cyprus
Nov 6, 2011
#4
  • Nov 6, 2011
  • #4
A 12-line post with only two full stops. What happened to the spelling and grammar?
Anyway, what mods have you done so far? It isn't cheap to build up a tranny and unless you know a really good shop, you're better off getting an AOD that's already been built to handle much more HP e.g. Lentech.
 
J

junkyardwarrior

Well-Known Member
Jan 10, 2011
400
113
63
Nov 6, 2011
#5
  • Nov 6, 2011
  • #5
I'm gonna suggest a 4R70W and ditch the AOD cause the AOD's even the good ones aren't all that great The 4R70W is a better built transmission from the get-go The only problem with the 4R70W is that it needs a controller because it is not hydraulically controlled and shifted like the AOD is rather it's electronically controlled Best of all the 4R70W gives the opportunity to shift manually 1-2-3-4 or leave it in drive and let it shift itself and you set the shift point with the controller say for instance if you want it to shift at 4500 like a stocker then you set it The AOD can be built pretty tough but by the time you spend $1500 on rebuilding plus the core plus the converter plus the modifications you still have an AOD which still isn't as strong as a 4R70W is period .

 

ID89GT

10 Year Member
May 26, 2008
1,659
18
49
Spokane Valley, WA
Nov 6, 2011
#6
  • Nov 6, 2011
  • #6
Why a bbk intake manifold?
 

Dino Dino Bambino

15 Year Member
Jun 13, 2007
1,672
89
79
Cyprus
Nov 7, 2011
#7
  • Nov 7, 2011
  • #7
junkyardwarrior said:
The only problem with the 4R70W is that it needs a controller because it is not hydraulically controlled and shifted like the AOD is rather it's electronically controlled
Click to expand...

You can solve that one with a full manual valve body.
 

4rdnut

Member
Dec 14, 2010
188
1
16
Nov 7, 2011
#8
  • Nov 7, 2011
  • #8
junkyardwarrior said:
I'm gonna suggest a 4R70W and ditch the AOD cause the AOD's even the good ones aren't all that great The 4R70W is a better built transmission from the get-go The only problem with the 4R70W is that it needs a controller because it is not hydraulically controlled and shifted like the AOD is rather it's electronically controlled Best of all the 4R70W gives the opportunity to shift manually 1-2-3-4 or leave it in drive and let it shift itself and you set the shift point with the controller say for instance if you want it to shift at 4500 like a stocker then you set it The AOD can be built pretty tough but by the time you spend $1500 on rebuilding plus the core plus the converter plus the modifications you still have an AOD which still isn't as strong as a 4R70W is period .

Click to expand...

I agree, i wouldn't put any money into a aod transmission, better known to me as doa.
 
T

tobalx

Member
Sep 14, 2011
53
0
6
Nov 7, 2011
#9
  • Nov 7, 2011
  • #9
Get the best of both worlds. Build the aod with 4r70w internals. you just need the right shop. Hunt in your area and you might find what i did,all local shops ended up recommending one shop in particular. Aod's are much better understood were the weak points are and they have come up with allot of solutions for them. Ther are allot of street/strips running aod's now and to build one that will handle 600 hp is very common. Just shop around.
 

90lxcoupe

20+ Year Stangneter
Oct 7, 2003
3,596
350
134
Nov 7, 2011
#10
  • Nov 7, 2011
  • #10
Put a tremec in it.
 
9

91notchbackk

New Member
Oct 10, 2011
4
0
0
maryland
Nov 13, 2011
#11
  • Nov 13, 2011
  • #11
junkyardwarrior said:
I'm gonna suggest a 4R70W and ditch the AOD cause the AOD's even the good ones aren't all that great The 4R70W is a better built transmission from the get-go The only problem with the 4R70W is that it needs a controller because it is not hydraulically controlled and shifted like the AOD is rather it's electronically controlled Best of all the 4R70W gives the opportunity to shift manually 1-2-3-4 or leave it in drive and let it shift itself and you set the shift point with the controller say for instance if you want it to shift at 4500 like a stocker then you set it The AOD can be built pretty tough but by the time you spend $1500 on rebuilding plus the core plus the converter plus the modifications you still have an AOD which still isn't as strong as a 4R70W is period .

Click to expand...

what would i have to modify to put in a manual trans?
 

fiveohwblow

Official Member
15 Year Member
Jul 21, 2005
2,169
145
155
Nov 13, 2011
#12
  • Nov 13, 2011
  • #12
90lxcoupe said:
Put a tremec in it.
Click to expand...

What I just did. But the guy I bought it from is running a 4R70W now with a controller and that trans is BADASS! Can't go wrong with either IMO.
 

SMOKEDYA

20+ Year Stangneter
Jul 13, 2003
3,637
8
79
Tucson AZ
Nov 13, 2011
#13
  • Nov 13, 2011
  • #13
Thanks justin!And yes my 4R70W shifts as hard as my buddies built C4! peace







john
 

fiveohwblow

Official Member
15 Year Member
Jul 21, 2005
2,169
145
155
Nov 14, 2011
#14
  • Nov 14, 2011
  • #14
SMOKEDYA said:
Thanks justin!And yes my 4R70W shifts as hard as my buddies built C4! peace







john
Click to expand...

^ this be the guy
 

Maryland Stang

Active Member
Aug 21, 2002
1,656
30
39
Greenville, NC
Nov 14, 2011
#15
  • Nov 14, 2011
  • #15
SMOKEDYA said:
Thanks justin!And yes my 4R70W shifts as hard as my buddies built C4! peace
Click to expand...

And it also weighs 80 to 90 more pounds too.
 

SMOKEDYA

20+ Year Stangneter
Jul 13, 2003
3,637
8
79
Tucson AZ
Nov 14, 2011
#16
  • Nov 14, 2011
  • #16
Maryland Stang said:
And it also weighs 80 to 90 more pounds too.
Click to expand...

Nobody said anything about saving weight!Besides if weight was a factor to me,i would put my C4 in thats on the shop floor.But i'm done with gutting out rattle trap foxes and going stright!I'm going for the all around car this time around.This notch is so so comfy and quite to ride in! peace











john
 

Maryland Stang

Active Member
Aug 21, 2002
1,656
30
39
Greenville, NC
Nov 14, 2011
#17
  • Nov 14, 2011
  • #17
SMOKEDYA said:
Nobody said anything about saving weight!Besides if weight was a factor to me,i would put my C4 in thats on the shop floor.But i'm done with gutting out rattle trap foxes and going stright!I'm going for the all around car this time around.This notch is so so comfy and quite to ride in! peace
Click to expand...

Hey! Calm down there fella. I was just stating fact, not opinion.
 
You must log in or register to reply here.

Similar threads

H
Forced Induction On3 Turbo Kit- Parts list NEEDED - 302 Stock Motor
  • Hirothecool1
  • Feb 27, 2026
  • Fox 5.0 Mustang Tech
  • 2
Replies
21
Views
1K
Fox 5.0 Mustang Tech Mar 7, 2026
slow84lx
S
J
Wheels-Tires Need Some Help - Brakes Upgrade/Wheel fitment
  • jaygee15
  • Dec 8, 2025
  • Fox 5.0 Mustang Tech
  • 3 4 5
Replies
81
Views
3K
Fox 5.0 Mustang Tech May 6, 2026
AeroCoupe
Radio, Speaker Upgrades
  • TripleYellow
  • Apr 24, 2026
  • 1979 - 1995 (Fox, SN95.0, & 2.3L) -General/Talk-
Replies
0
Views
141
1979 - 1995 (Fox, SN95.0, & 2.3L) -General/Talk- Apr 24, 2026
TripleYellow
9
Engine Donor '00 Mountaineer meet '91 Fox
  • 91firecracker
  • May 11, 2026
  • Fox 5.0 Mustang Tech
  • 2 3
Replies
41
Views
919
Fox 5.0 Mustang Tech May 28, 2026
91firecracker
9
Drivetrain 83’ Glx convertible C5 Trans help!
  • JacksonJared2113
  • Dec 25, 2025
  • Fox 5.0 Mustang Tech
Replies
2
Views
397
Fox 5.0 Mustang Tech Dec 26, 2025
JacksonJared2113
Share:
Bluesky Email Share Link
  • Mustang Forums
  • 1979 - 1995 (Fox, SN95.0, & 2.3L) -General/Talk-
  • Fox 5.0 Mustang Tech
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?