4.10s with a 6 speed?
 

Anyone running some 4.10s in there truck with a six speed? How do you like em? Big improvement? I have a set laying around and debating on swapping them in

I have 3.73s in mine with a 32.5 tire and at about 72 mph its going 2k rpms I really like that. what tire are u gonna use? if you are using a smaller tire like 29 I will stick to 3.73 but that just me. if going bigger like 32 or more 4.10 will work awesome.

Factory 275/65/20 I think
I'm liking this idea as it would be fairly cheap

factory is 275/55/20.

Yea those lol
Right now, it has 3.42s, G80 Gu6, is that correct?
In my 97, it helped a good bit, I can only imagine doing it with a 6 speed truck

I think iamkeniff has 4.10s with a 6.0 cam n stuff.

I had 4:56s with the 6spd lol it was badass ... 4:10 be good

I can't wait to take a ride in iamkeniff truck!

Chevrolade, what size tires? Big improvement? Change in fuel mileage?

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I love my 4.10s and I don't regret it at all. Don't waste your time on 373s especially since you have the gears already. I'm on 245/70/17. As you can see...my highway revs are very decent

Not a truck, but my 99 Z28 had the 6 speed. I swapped the rear gears from 3.42 to 4.10, and it completely transformed the car, in a very good way. With 26" tires, my MPG went from 28 to 24, and I was very okay with that.

Having 2 OD's, the 4.10's should be no problem. In my truck, I ran 4.10's with a 28" tire and a 60e. It drove very well.