Gears

jonafer23 · Feb 4, 2004

Can I change the gears in my 93 lx 4cly? I have 3.73's now. I want to put in 4.10's. How hard is this? Will I have to change myspeedometer gear to? Also I have a full razzi body kit, I hit a verry large animal and broke the side off my front air dam. Does anyone know where I can get one from beside's razzi? They want a complete fortune for one!!!!!!!!!!!! A used one will be ok if any one has one. Thank's jonafer23

kiddiccarus · Feb 4, 2004

Did the 93 LX 4pack come with 3.73???

Lx89Stang05 · Feb 4, 2004

autos had 3.73's
5spd had 3.27's

razzi body kit

kiddiccarus · Feb 4, 2004

ok next question, Why different gears for the different transmissions. So many like the 3.73:1 with a T5 (which I plan to do) are the 3.27 better for street/strip?

93GreenLX · Feb 4, 2004

3:73's are better for acceleration, and 4:10's even better, but your speedo and tach will be off, higher RPM cruising speeds, and lower fuel economy are the tradeoff

Bearded Forever · Feb 4, 2004

3.73's came with the automatic and 3.45's came with the manuals.
The speedo will be off ONLY. You will need the 23 tooth gear.

kiddiccarus · Feb 4, 2004

thanks

bhuff30 and I are asking the same question I will move to that thread.

93GreenLX · Feb 4, 2004

Crovax said:
The speedo will be off ONLY.

oh: I knew that.

garry · Feb 4, 2004

Your speedo will be off but not your tach rpm is rpm. Your cruise rpm will increase 300 rpm per change of gears 3.55 to 3.73 and 3.73 to 4.11. It makes a huge difference in off the line performance.

jonafer23 · Feb 4, 2004

Ok the car is an auto with 373 gears. How hard is it to change the gears myself? I have have complete mechanical skills with my car. But I have never don a rearend gear change. Any one know about the front razzi air dam. I NEED ONE !!!!! Thank's jonafer.

Stinger · Feb 4, 2004

You think $245 is a fortune for an air dam? Sounds like a pretty good deal to me.

Stinger

jonafer23 · Feb 4, 2004

But hold your 2.3 liter, what about shipping? To me it all cost $305! And have you seen these thing's,there plastic and just weigh 5 pounds. Just my thought's But fiberglass ones are cheaper. Thank's jonafer

Pro-Hawk · Feb 5, 2004

kiddiccarus said:
ok next question, Why different gears for the different transmissions. So many like the 3.73:1 with a T5 (which I plan to do) are the 3.27 better for street/strip?

The autos coudn't get out of there own way with out the 3:73s

As for that rear gear swap I would read up on it first, I think there is a little skill envolved in doing it. I think you need to make sure the angles are degreed right like the pinion angle. Those 4:10s would probly make for some fun driving once its done, Good Lock.

Dr_EluSivE · Feb 5, 2004

rather than mess with swapping gears, why dont you swap the auto for a 5 speed. Thats a much bigger improvent then gears cause then you get the 3.73 auto rear with the better manual transmission 1st gear. Thats what i did and Wow what a difference it makes.

Dr.

Stinger · Feb 5, 2004

Pro-Hawk said:
As for that rear gear swap I would read up on it first, I think there is a little skill envolved in doing it. I think you need to make sure the angles are degreed right like the pinion angle. Those 4:10s would probly make for some fun driving once its done, Good Lock.

Pinion angle is not adjustable with the stock control arms. No need to worry about that. It's just a unbolt/bolt back together deal.

www.projecthp.ford23.com/rearswap.html

Stinger

Pro-Hawk · Feb 5, 2004

Dr_EluSivE said:
rather than mess with swapping gears, why dont you swap the auto for a 5 speed. Thats a much bigger improvent then gears cause then you get the 3.73 auto rear with the better manual transmission 1st gear. Thats what i did and Wow what a difference it makes.

Dr.

Why didn't I think of this

The stick will be a whole lot more fun to drive also

Dan'l · Feb 5, 2004

Throw on a set of 205/50/15's and you will closely duplicate 4.10(or slightly deeper) gears with the added benefit of less rotating mass.

jonafer23 · Feb 7, 2004

Ok so if I chnge my trans what do I do with the wiring from the computer? Will I need to change the computer also? Now what if I change the gears and the trans? Will this pick my slow ass up and go? What trans will work beside's the 93 mustang? Will my driveshaft work? Thank's jonafer

Dr_EluSivE · Feb 7, 2004

you dont have to do anything to the computer, only a few wire for the safety switch to mess with. VERY easy wiring. As for what tranny.. Any 4 cyl 5 speed mustang tranny will work. Turbocoupe trannys will work to. As for the driveshaft.. you need to use the 5 speed shaft, its longer. Also you will need pedals, and crossmember.

Dr.

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