Yet another gear question. Which ratio?
03-14-2007, 09:14 PM
#1
2nd Gear Member
Thread Starter
Join Date: Jul 2005
Location: CT
Posts: 420
Yet another gear question. Which ratio?
Getting new gears next week or week after.I have stock 3.27 now. 2002 GT with 43K on it. 90% of my driving is highway. I am torn now between 3.73, 3.90 or maybe 4.10. I am not all that concerned about gas mileage. I won't be doing any racing at all. Just every day use. I was leaning toward 3.73 but now I am thinking 3.90 or 4.10. I got the RPM calculator and figured our all the difference between the gear ratio's. Anyone with 3.73 wish they have 4.10's or vise versa. Any input will help me out because I am only doing this once. Thanks....
03-14-2007, 09:27 PM
#3
5th Gear Member
Join Date: Jun 2006
Location: Eureka, Mo
Posts: 4,355
RE: Yet another gear question. Which ratio?
Copied and pasted from an active thread:
If you have an automatic, 4.10's no question. Many people here got 3.73's and wish for bigger.
Here is what FRPP has to say about gear recomendations. I copied this from their FAQ's page.
Q.: I have heard that an axle gearset change is a very effective way to increase performance in my Mustang. What gear ratio do you advise that I use?
A.: 1986-95 Mustangs with a 5.0 and a 5-speed work well with 3.55 gears.
1986-95 Mustangs with a 5.0 and an automatic work well with 3.73 gears.
1996-2003 Mustangs with a 4.6 SOHC and a 5-speed work well with 3.73 gears.
1996-2003 Mustangs with a 4.6 SOHC and automatic work well with 4.10 gears.
1996-2001 Mustang Cobras with the 4.6 DOHC/5-speed work well with 3.73s.
Note: The above suggestions are general recommendations. Gear-ratio selections may change depending on modifications to your engine. For specific applications, call the FRPP Tech "Hot Line" (800) FORD788 for professional advice.
Q.: I have heard that an axle gearset change is a very effective way to increase performance in my Mustang. What gear ratio do you advise that I use?
A.: 1986-95 Mustangs with a 5.0 and a 5-speed work well with 3.55 gears.
1986-95 Mustangs with a 5.0 and an automatic work well with 3.73 gears.
1996-2003 Mustangs with a 4.6 SOHC and a 5-speed work well with 3.73 gears.
1996-2003 Mustangs with a 4.6 SOHC and automatic work well with 4.10 gears.
1996-2001 Mustang Cobras with the 4.6 DOHC/5-speed work well with 3.73s.
Note: The above suggestions are general recommendations. Gear-ratio selections may change depending on modifications to your engine. For specific applications, call the FRPP Tech "Hot Line" (800) FORD788 for professional advice.
03-14-2007, 11:14 PM
#8
2nd Gear Member
Thread Starter
Join Date: Jul 2005
Location: CT
Posts: 420
RE: Yet another gear question. Which ratio?
Well, you got me leaning toward the 4.10's now. I just hope my RPM's on the highway aren't too high. Having a stick and 5th gear helps a lot. I forgot to mention that. I do just about all my driving in 5th gear anyway.
03-14-2007, 11:28 PM
#9
03-14-2007, 11:32 PM
#10
5th Gear Member
Join Date: Jul 2006
Location: GA
Posts: 3,015
RE: Yet another gear question. Which ratio?
i just got 373 becuase i drive alot on the hwy not as fast as i expected but with the 99 tranny 75-80 is above 2500 RPMs and it is annoying
i would suggest 373's just becuase of the hwy
i would suggest 373's just becuase of the hwy