Ring and Pinion

[jonv]

Ok, so, I posted a thread a few days ago asking about a bad transmission. It turns out, all the gear oil leaked from the differential and my gears started to grind and lock up. So, I am having to replace all of that. I was curious if anyone could tell me the stock ratio, as well as the difference between those, and a set of 3.73s (I think that's a popular set - correct?).

I'm wondering if I should just go ahead and put something other than stock gears in there while its down and torn apart.

Also, what exactly is the performance gain from performance gears?

Thanks!

 

[rude_life]

I'm pretty sure most stockie's came with 2.73's. Thats what mine had before i switched. But they could be had with 3.27 also and a couple others. Someone may have ordered diff. gears on any particular vehicle before it came out of the factory.

 

[Dagz]

Stock gears could be a few different combinations depends what the car was order with. There is a tag on the diff cover you can get the info from. If you get me that and the vin # i can run it for you on my comp (work @ Cariboo Ford BC, Canada) in the parts dept. Also have the shop manual at home.

The benefits are the lower the gears like 3.73 or 4.10 the quicker the take off, builds rpm faster, but also limits you on the highway because it will buzz higer. Where as the high gears are a little slower of the line but go like a bat outta hell on the highway at lower rpms increaseing fuel economy. Whatever suits your driving needs the best.

If you plan on road tripping don't you too low you will regret it and it will be hard on fuel and the car. If you wanna go to the track go 4.10 the performance end.

I personally run 3.55's nice gears burn the ****ing tires off but can still drive it. 3.27's are nice too!

Dagz

 

[HISSIN50]

2.73 was stock. 3.08 was an option for manuals and 3.27's were an option for autos (except in 87, when you could get 3.27's in a stick).

I have 3.55's and like them pretty well, but I am mild compared to most folks. 3.73's are probably a nice mix, though if you have 2.73's, 55's will seem like a decent jump IMHO. I would recommend something more like the 3.73's though.

Good luck.

 

[bill302]

don't know what year model you have 94-95, to tell the gears installed by the factory look at vehicle certification sticker in drivers side door jam looking at bottom of sticker from left to right its labeled (body/vr/mldg/int.trim/tape/r/s/ax/tr) there are numbers and/or letters located under (body/vr/mldg/int.trim/tape/r/s/ax/tr) look at the letter or number under (ax) compare it list below to find stock gears installed. code under (ax) will be the letter or number shown below in parenthesis().example- ax with a letter z under it = 3.08 axle ratio, traction-lok limited slip differential or with a number 6 under it = 3.73 axle ratio, conventional differential.


(2) -3.55 axle ratio, conventional differential
(4) -3.42 axle ratio, conventional differentialz
(5) -3.27 axle ratio, conventional differential
(6) -3.73 axle ratio, conventional differential
(7) -3.o7 axle ratio, conventional differential
(8) -2.73 axle ratio, conventional differential
(A) -3.63 axle ratio, conventional differential
(B) -2.47 axle ratio, conventional differential
(D) -3.42 axle ratio, conventional differential
(E) -3.27 axle ratio, conventional differential
(F) -3.45 axle ratio, conventional differential
(J) -3.85 axle ratio, conventional differential
(K) -3.55 axle ratio, traction-lok limited slip differential
(M) -2.73 axle ratio, traction-lok limited slip differential
(R) -3.45 axle ratio, traction-lok limited slip differential
(w) -3.73 axle ratio, traction-lok limited slip differential
(Y) -3.08 axle ratio, conventional differential
(Z) -3.08 axle ratio, traction-lok limited slip differential

 

[bill302]

click on link below you can see the picture of the vehicle certification sticker i was talking about in previous post alot of good info on link and you can decode you vin number automatically, find paint code colors ect....

i have 3.73 gears with a 5 speed tranny i love my 3.73 gears after i installed i finally had a decent 5th gear but to get a good idea what you want to run you will have to talk to 94-95stang owners with automatics i know alot of my friends run 3.73s in manual tranny and 4.10s in automatic trannys.maybe we can get some input on this.


http://web.tampabay.rr.com/theflock/mustang/doorplate.html

 

[rude_life]

I love my 3.73's. I had 2.73's and let me tell ya buddy, I will never own another Mustang without upgrading to these gears. I just wish i could get rid of that STUPID shift retard crap ford introduced in '94