Gears

[Chuckster88]

About how many RPM's would you turn going 80 with 4.10 gears in a 03 GT?

 

[bergs]

about 3000 rpms. i usually cruise on the highway at 75 at like 2600 rpms. the motor seems relaxed at highway speeds. think about it you have 5th gear , its not like your driving a 4 speed, you have overdrive. i'm used to munci 4 speeds where you are screaming at 55 in 4th with 4:55 gears. dont fear the gear, its all good get the 4:10's you wont regret it

 

[BLUE03GT]

high enough to feel uncomfortable after 5 minutes ... it sounds too high for me when im cruising at 80mph and i have 3.90's.... im probably at around 2400-2500rpm i think

 

[Mirrahasmycar]

3.73's are the way to go, then just add power

 

[topless98gt]

I've got stock gears and I cruise at 2500rpm going 85mph

 

[topless98gt]

When I get them, I'm getting 3.73s because I plan on getting an 03 cobra motor w/ KB 14psi blower.

HEY! Let a man dream what he wants!

 

[topless98gt]

Anywho...about the rpm, don't worry about gas milage, it's really not that big of a difference: at max, 2mpg.

Here's how you should determine what gears to get: If you plan on getting a power adder, then go with 3.73s. If you plan on staying N/A, get 4.10s. 4.10s are just too steep for most power adders IN MY OPINION.

 

[Darkhorse845]

Get the 4.10's and don't look back.

 

[Gearbanger 101]

Try doing a search next time. All you had to do was look up at the top of the forum before asking this question....

http://www.focusfrenzy.com/showthread.php?t=521948

 

[04GT]

2660 RPM @ 80 MPH

Here's a link to a calculator where you can check other speeds too.

http://tchracing.com/tech/gearcalc....m&givenval=80&givenvaltype=MPH&selectedgear=5