GEAR question For GEARHEADS!!!! - MustangForums.com



5.0L General Discussion This section is for non-tech specific information pertaining to 5.0L Mustangs.

Reply
 
 
 
Thread Tools Search this Thread
Old 06-12-2014, 09:33 AM   #1
87droptop
Thread Starter
 
Join Date: Dec 2013
Location: mississippi
Posts: 41
Default GEAR question For GEARHEADS!!!!

Hello have a 87 GT. Need to change the gears every since i changed my throttlebody. Whats are the recommended gears for a fox body.

87 GT
longtube header
Msds
70 mm throttlebody
alumium radiator
short throw shifter
Sr intake
87droptop is offline   Reply With Quote
Old 06-12-2014, 09:51 AM   #2
Boss_Hotrod
5th Gear Member
 
Join Date: Apr 2006
Location: NC
Posts: 2,160
Default

Depends on the tranny. Most with T5s go 3.73. with AOD go 4.10. You can also put a 4.10 into a stick car but 1st becomes almost useless.
Boss_Hotrod is offline   Reply With Quote
Old 06-12-2014, 10:10 AM   #3
dawson1112
5th Gear Member
 
Join Date: Jul 2012
Location: ohio
Posts: 3,320
Default

As mentioned, above for street use the 3.73 gears are great for the 5 speed manual and 4.10 are better for an AOD auto .

The auto trans is a slush box and the 4.10s really wake it up.

If your planning on the 1/4 mile speedway and you have some good gripping tires the 4.10s on a manual are ok. Other wise you just spin tires.
Some guys find tire smoking impressive, but I find it gets expensive and Im more impressed with using the power to push you down the strip.
dawson1112 is online now   Reply With Quote
Old 06-12-2014, 10:46 AM   #4
87droptop
Thread Starter
 
Join Date: Dec 2013
Location: mississippi
Posts: 41
Default

Quote:
Originally Posted by 87droptop View Post
Hello have a 87 GT. Need to change the gears every since i changed my throttlebody. Whats are the recommended gears for a fox body.

87 GT
longtube header
Msds
70 mm throttlebody
alumium radiator
short throw shifter
Sr intake
I dont wanna spin alot but i have nitto performance tires so once they heat up there not a good chance at spinning. I just want solid all around good gears. Its not a daily driver.
87droptop is offline   Reply With Quote
Old 06-12-2014, 11:39 AM   #5
AMAlexLazarus
Platinum Sponsor
 
AMAlexLazarus's Avatar
 
Join Date: Apr 2014
Location: Pennsylvania
Posts: 806
Default

Quote:
Originally Posted by 87droptop View Post
Hello have a 87 GT. Need to change the gears every since i changed my throttlebody. Whats are the recommended gears for a fox body.

87 GT
longtube header
Msds
70 mm throttlebody
alumium radiator
short throw shifter
Sr intake
OP

That's a good one and like dawson1112 and Boss are saying going with 4.10's will make your 1st non-existent Ford Racing's 3.73's are more than enough to wake the car up! I'm not sure if you're a T5 or AOD but be sure to check out the Speedo gears as well (<-Just for example) as your speedo will be off (I never swapped mine in the past but it's a good idea to do so)

-Alex
AMAlexLazarus is offline   Reply With Quote
Old 06-12-2014, 12:29 PM   #6
azdevil1
1st Gear Member
 
azdevil1's Avatar
 
Join Date: Feb 2013
Location: AZ
Posts: 149
Default

3 places to get the same gears cheaper than AM....

http://www.dallasmustang.com/gears-r...FQqFfgodxjYALQ

http://www.butler-macmaster.com/m-42...FUOSfgodb2kA7Q

http://www.summitracing.com/parts/fm...FQ-CfgodGGwAkQ

I had 4:10s in my 08 GT vert - def woke it up and I loved it.
Gas mileage - not so much, could have used a 6th gear there.

Last edited by azdevil1; 06-12-2014 at 12:53 PM.
azdevil1 is offline   Reply With Quote
Old 06-12-2014, 02:12 PM   #7
88 orangepeel notch
5th Gear Member
 
88 orangepeel notch's Avatar
 
Join Date: Mar 2010
Location: Wisconsin
Posts: 4,864
Default

I'm late to this party again. Another gear thread lol.

I love my 3:55s, but since your alittle closer to stock power, I agree with everyone above. T5 = 3:73 ………AOD = 4:10.………… gears = happiness.
88 orangepeel notch is offline   Reply With Quote
Old 06-12-2014, 08:02 PM   #8
barnett468
4th Gear Member
 
Join Date: Nov 2013
Location: arizona
Posts: 1,314
Default

depends if you want mainly street, fwy or inbetweem

3.50 is decent for street but great for high fwy speeds.

3.73 is inbetween,

3,91 on up is mainly street.

4.10 with an aod is street mainly. it is NOT an all around gear by any means.

3rd in an aod is the same ratio as 4th in a 5 speed.
barnett468 is offline   Reply With Quote
Old 06-12-2014, 08:13 PM   #9
Wrenchman1
 
Join Date: May 2008
Location: The Great North East
Posts: 14
Default Final ratio

5spd, 6spd and AOD are all close in final drive ratio. .62 to .82 I belive.
You can pop your numbers into a virtual dyno and see where your at!
Ah its just fun! Watch the heat you can cook your
cool juice( anti freeze) and over heat
Wrenchman1 is offline   Reply With Quote
Old 06-13-2014, 09:08 AM   #10
AMAlexLazarus
Platinum Sponsor
 
AMAlexLazarus's Avatar
 
Join Date: Apr 2014
Location: Pennsylvania
Posts: 806
Default

Quote:
Originally Posted by azdevil1 View Post
3 places to get the same gears cheaper than AM....

http://www.dallasmustang.com/gears-r...FQqFfgodxjYALQ

http://www.butler-macmaster.com/m-42...FUOSfgodb2kA7Q

http://www.summitracing.com/parts/fm...FQ-CfgodGGwAkQ

I had 4:10s in my 08 GT vert - def woke it up and I loved it.
Gas mileage - not so much, could have used a 6th gear there.
Hey AzDevil1,

Thanks for bringing this up!!!

We price match here at AmericanMuscle- So if you're to ever see something listed elsewhere for less shoot us a call and we'll have a match setup. I'll be sure to have this forwarded over to the appropriate team right now so we can have that sorted.

Thanks Again!

-Alex
AMAlexLazarus is offline   Reply With Quote
 
 
Reply

Related Topics
Thread Thread Starter Forum Replies Last Post
How to get good HP out of a 4.6 without spending big bucks. Luke9222 4.6L General Discussion 19 10-22-2015 11:55 PM
Switching from 3.89 to 3.00 gears... musnicki Classic Mustang General Discussion 8 09-23-2015 07:11 AM
Shifting Mustangmalo General Tech 2 09-06-2015 05:22 PM
HELP.. Should I buy this fox? raleigh05GTO New Member Area 5 09-04-2015 07:09 AM


Thread Tools Search this Thread
Search this Thread:

Advanced Search

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off
Trackbacks are Off
Pingbacks are Off
Refbacks are Off

Forum Jump


All times are GMT -5. The time now is 08:59 AM.