4.10's on a daily driver
07-25-2006, 08:32 PM
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4.10's on a daily driver I can get a set of brand new 4.10s cheap and i was wondering if they would hold up fine on my car. the car has never been to the track and I rarely do burnouts. if i dont beat the crap outta the car would they hold up fine or should i just stick with stock 3.42's. Also in the deal i would be getting a rear end girdle too.
07-25-2006, 11:37 PM
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They should hold up fine.
They are fine for daily driving, as long as your daily commute doesn't include Autobahn runs. Most of my driving is on back roads and around town, where the 4.10's don't really hurt fuel economy, you just have to shift sooner and more often. I can make my whole 20 mile drive to work without ever going over 2K RPM, which isn't bad at all.
If your daily commute includes highway driving at over 65MPH though, you will definitely notice a decrease in fuel economy by a few MPG.
They are fine for daily driving, as long as your daily commute doesn't include Autobahn runs. Most of my driving is on back roads and around town, where the 4.10's don't really hurt fuel economy, you just have to shift sooner and more often. I can make my whole 20 mile drive to work without ever going over 2K RPM, which isn't bad at all.
If your daily commute includes highway driving at over 65MPH though, you will definitely notice a decrease in fuel economy by a few MPG.
07-25-2006, 11:47 PM
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Originally Posted by Domestic Demon
They should hold up fine.
They are fine for daily driving, as long as your daily commute doesn't include Autobahn runs. Most of my driving is on back roads and around town, where the 4.10's don't really hurt fuel economy, you just have to shift sooner and more often. I can make my whole 20 mile drive to work without ever going over 2K RPM, which isn't bad at all.
If your daily commute includes highway driving at over 65MPH though, you will definitely notice a decrease in fuel economy by a few MPG.
They are fine for daily driving, as long as your daily commute doesn't include Autobahn runs. Most of my driving is on back roads and around town, where the 4.10's don't really hurt fuel economy, you just have to shift sooner and more often. I can make my whole 20 mile drive to work without ever going over 2K RPM, which isn't bad at all.
If your daily commute includes highway driving at over 65MPH though, you will definitely notice a decrease in fuel economy by a few MPG.
so basically the 4.10s just switch the hwy miles and city haha
07-27-2006, 04:36 PM
#7
4.10s are great. I daily drive mine. I still get 25 MPG highway at 75 MPH with mods in sig. As long as you shift under 2500 and cruise in 6th gear, your milage wont go down very far. Doing 4.10s was probably the biggest mod in terms of fun-factor. I love them.
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07-27-2006, 05:08 PM
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I've gotten 26 mpg on the interstate at 75 with my 4.10/1 gears. For a daily driver that doesn't see abuse, they might hold up. It's not certain like some are saying. A 4.10/1 gear set has a significantly smaller pinion gear, and that's where the problem is. The stock 3.42 gear is already a whimp, change the ratio to 4.10s and the pinion gear shrinks even more. This is why people rip the teeth off the pinion on 4.10 gears.
A set of 3.42s will be superior in strength to a set of 4.10s, and people break factory gear sets on the street just "driving".
...but if you really do just cruise around and never go to the track, it's certainly a fun modification.
LS1muscle, how do you define "beat the crap out of your car"?
Ben T.
A set of 3.42s will be superior in strength to a set of 4.10s, and people break factory gear sets on the street just "driving".
...but if you really do just cruise around and never go to the track, it's certainly a fun modification.
LS1muscle, how do you define "beat the crap out of your car"?
Ben T.
07-27-2006, 08:57 PM
#10
Originally Posted by ls1muscle
I drag race, do burnouts, slam 1-2 shifts just about every day on the street.
My buddy rode in it with me the other day and said it hits so hard when I shift it feels like it's breaking **** So far the gears are holding up.....
07-29-2006, 12:21 PM
#11
going to 4.10s in my car gets better gas mileage, it doesnt lug at all thats why. w/ an M6 4.10s are perfect for drivabilty, better than any other. You can cruise in town at 25mph in 4th, rather then having to high of a gear or too low of a gear.
3.73's sucked...every speed you drive was either too high rpms for one gear and then shift and it luggs cause gears too low.
....As for holding up? Ive gone through 2 sets. All I got is a cam, but right after I tuned it w/ a wideband I took it out, raced it on the street and BAM!
Im not even considering rebuilding the stock rear end again....waste of time and money. The 1st to 2nd shift is hard as hell. Im building a 9" now and might try some 4.30 gears.
3.73's sucked...every speed you drive was either too high rpms for one gear and then shift and it luggs cause gears too low.
....As for holding up? Ive gone through 2 sets. All I got is a cam, but right after I tuned it w/ a wideband I took it out, raced it on the street and BAM!
Im not even considering rebuilding the stock rear end again....waste of time and money. The 1st to 2nd shift is hard as hell. Im building a 9" now and might try some 4.30 gears.
Last edited by pwrtrip75; 07-29-2006 at 12:30 PM.
07-29-2006, 01:10 PM
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I ran 4.10's in my AUTOMATIC!!
I'm soon doing the A4 --> M6 swap (just waiting on the parts) and while I have 3.23's in the car right now, I plan to put 4.10's back in ASAP
.
Think about this (in terms of fuel mileage) ... an A4 w/2.73's cruises at ~1900 RPM to do ~70 mph. An M6 w/4.10's does the same speed at what, ~2000 RPM? So even with all that gear, you can still get at least the same (or slightly better) mileage than an auto with sh!tty 2.73's!!
I'm soon doing the A4 --> M6 swap (just waiting on the parts) and while I have 3.23's in the car right now, I plan to put 4.10's back in ASAP.Think about this (in terms of fuel mileage) ... an A4 w/2.73's cruises at ~1900 RPM to do ~70 mph. An M6 w/4.10's does the same speed at what, ~2000 RPM?
So even with all that gear, you can still get at least the same (or slightly better) mileage than an auto with sh!tty 2.73's!! 