jrb0399

if i install 4.10 gears will i lose some top speed? or no?[8D]

NOS/MAN

yes you will what kind for car do you have???

Dan04COBRA

With a late model GT (94+) our crappy 5 speeds are geared so TERRIBLE from Ford trying everything to get gas mileage, with 4.10's we can reach top speed FASTER than 3.27's-3.73's.

jrb0399

the 4.10 gears will be for a 04 auto gt. but i would hate to lose some of my top speed.

04mustang

99+ go 150 your stupid if u go that fast and if u get 4:10 your top speed will probably be 130 140 nuttin wrong with that. dont take my word for it but i heard 4:10 are a 4 to 5 hundred rpm diff i dont think its gonna slow u down anything under 130. and thats fast enough

jdaniel

And thats the way the cookie crumbles!

Deleted User

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MelloYello

Ive got a 95 with 4:10's
there nice but I did lose alot of my top end... 130 is about top for me.... But getting to 80 mph is hella fun
Your going to love!!! the gas mileage you get too hahahahahahaha

jdaniel

well the top speed on the 99+ are about 140 to 150 so it shouldnt take much away. Maybe 120 to 130. But who wants to drive that fast anyhow?

mdvaldosta

Actually top speed on a 4.6 may actually INCREASE with a switch to 4.10's. Lets think about it. Top speed is approx 153 or so stock if I remember correctly. Now this top speed is drag limited, as I believe its geared high enough to approach 200mph (just not enough power).

Now at 80mph with 4.10's your gonna be at 2900 rpm. So I figure at 5800 rpm that would put you at 160mph. Also at the crucial 140mph mark your actually IN YOUR POWERBAND with 4.10's, shich should help you continue to rev PAST 153. Just my hypothesis, never tested it myself.