weeeeeeeeeeee 4.10s rock

[91Z28]

If I had the money, I'd get a TKO from Classic 5 Chevy or whatever they're called. 2700 for a TKO five speed, driveshaft, crossmember and mounts

True, a co worker is building a 71 Z28 and he used a TKO. According to him it was easy to install too.

[keliente]

johnny you can't really ask me how hard the install was. I do rear ends all the time so for me it is very easy. I have written a how to that walks you through the installation process, you can decide for yourself if its something you can do or not.

www.keliente.com/gears.htm

[BIG D's SS]

One of the best mods I've done except for the cam. Woke the SS up.

[foshizl]

Why does everyone say not to go with 4.10s in an auto... my buddy put 4.11s with auburn posi in his auto ls1 and he can do about 135 top speed... what do you need to go faster for? He can cruze at 80mph no problem.. not sure at what rpm tho.. id have to ask him

[keliente]

Why does everyone say not to go with 4.10s in an auto... my buddy put 4.11s with auburn posi in his auto ls1 and he can do about 135 top speed... what do you need to go faster for? He can cruze at 80mph no problem.. not sure at what rpm tho.. id have to ask him

4.10s + auto = bye gas mileage

[hammertime]

I'm sure if I stayed at 100 for a few hours I'd average 30mpg. 100mph is covering ground fast and still turning maybe 2200 rpms in 6th gear.

Don't forget, at 100 you are pushing a lot more air than you are at 70-75. Best fuel economy usually comes around 55-65 mph, unless your car is really slippery (low coefficient of drag).

My '01 Camaro SS has turned 29 mpg at 80-85 with the t-tops out, but I'd be suprised to get more than 25 if I could hold 100 mph for any real length of time.

[NeeD4SpeeD]

With an M6 and 4.10s what would your top speed be limited too??

Same question only now the car is pushing 420RWHP???

Are 3.73s or 3.83s better than 4.10s?

What are the best gear manufacturer to buy from that wont whine like a bitch and be of good cost and quality??

Reason for so many questions is i'm ordering a big cam and i obviously need gears but i dont want to kill my high end. Gas mileage i'm not even going into that but i just want high HP and my gears to compliment eachother!

[keliente]

I don't know, I don't really take my car above 90mph. There are no 3.83 gears for our cars, just 3.73 and 4.10, get what suits you. I do 4.10s because I run the 1/8th and its perfect for me. My bf does 3.73s bc his car is well over 500hp and 4.10s would be too much for it.

Motive gears don't whine much...

[NeeD4SpeeD]

Well my car will probably sit around 500RWHP come his summer so you think i should stick wit 3.73s or with the 4.10s that everyone loves?

[NeeD4SpeeD]

Glad you said motive gears b/c i can get em cheap too

[hammertime]

With an M6 and 4.10s what would your top speed be limited too??

Same question only now the car is pushing 420RWHP???

Are 3.73s or 3.83s better than 4.10s?

What are the best gear manufacturer to buy from that wont whine like a bitch and be of good cost and quality??

Reason for so many questions is i'm ordering a big cam and i obviously need gears but i dont want to kill my high end. Gas mileage i'm not even going into that but i just want high HP and my gears to compliment eachother!

6000 rpm in 5th gear with 4.10's comes to about 150 mph. How much top end do you need?

[NeeD4SpeeD]

6000 rpm in 5th gear with 4.10's comes to about 150 mph. How much top end do you need?

Not much more then that... Car is basically for street/strip use.. Just curious about top end because of the rice burner assholes and other shitty cars that want to attmpt to take me in high gear... Just want to make sure theres enough speed to beat em!

[hammertime]

Not much more then that... Car is basically for street/strip use.. Just curious about top end because of the rice burner assholes and other shitty cars that want to attmpt to take me in high gear... Just want to make sure theres enough speed to beat em!

Well, since 4.10's should have you pulling hard up to 110 in 4th gear (assuming stock rev limit), I'm sure you'd have no trouble putting a few greyhounds on them ricers!

[NeeD4SpeeD]

Well, since 4.10's should have you pulling hard up to 110 in 4th gear (assuming stock rev limit), I'm sure you'd have no trouble putting a few greyhounds on them ricers!

LOL Ohhhhhh yea.... Is there a tremendous difference between 3.73s and 4.10s such as 1/4 and 60ft times???

[hammertime]

LOL Ohhhhhh yea.... Is there a tremendous difference between 3.73s and 4.10s such as 1/4 and 60ft times???

If you want to hook, you'll need a good tire with any gear and that kind of power. Difference between the shouldn'tbe more than a tenth. Bigger difference would be at the big end. 3.73's will put you about 1/2 way through 4th gear, 4.10's closer to peak power for better trap speed.

[NeeD4SpeeD]

If you want to hook, you'll need a good tire with any gear and that kind of power. Difference between the shouldn'tbe more than a tenth. Bigger difference would be at the big end. 3.73's will put you about 1/2 way through 4th gear, 4.10's closer to peak power for better trap speed.

I see so for better times and trap speeds 4.10s are the way to go then....

[tx77015ls1]

what is a 8.2 in the 1/8mile convert to in the 1/4 mile?

[keliente]

If you want to hook, you'll need a good tire with any gear and that kind of power. Difference between the shouldn'tbe more than a tenth. Bigger difference would be at the big end. 3.73's will put you about 1/2 way through 4th gear, 4.10's closer to peak power for better trap speed.

I have demonstrated that is not really true. On regular street tires, after I added 4.10's, absolutely every 60' was a low 1.9x with a best of 1.91. If anything it made the car very consistent and easier to launch.