KyleSx5

Hey I was thinking about getting gears and I wasn't sure whether to get 3.73s or 4.10s, so I was wondering if anyone with 4.10s could tell me how the gas mileage was and if they still had a reasonable top speed. Also what do you think the best kind to get is. Thanks Kyle

mario65

iTrader: (7)

I love my 4.10's Just broke it though hitting second on the street.
Anyway 23mpg and 2k @70, just about the same as my A4 98 T/A in final gear. Definitely a good gear with a big cam

Dragula

iTrader: (5)

24 mpg w AC. No change in top speed.

MyLS1Hauls

iTrader: (2)

I got 31 w/ 4.10s and a stock motor on a trip. They honestly dont really impact fuel economy. I now get about 28 highway, 20 average.

Matt D

iTrader: (49)

i have 2.73 in my a4...planning on H/C, with 3500-3800 stall...what gear???

Cerebrex

iTrader: (20)

I'd go with at least 373s, but preferably 410s. It really depends on how powerful your setup will be.

TigerFan187

iTrader: (1)

I just went from a 3.42 to a 4.10 in my ECSB truck and I filled up before getting the gears installed and even though I did baby it for a little over a 100 miles I actually got 1.5 mpg better! I just filled up a new tank and will be driving normal for me(which is crazy everywhere I go!) and I actually think it will stay the same. As far as top speed I havent even tried to go up there yet but on the 1/4 miles my trap speed dropped from 86-87 to 85! I love my 4.10 setup and I went with US/Strange gears and I have basicly no whine at all only at speeds above 60 and only when I barely touch the gas and even then it could be mistaken for the new tire I put on!

Eiyse98ls1

i think you guys are getting more mileage because the odometer is counting more miles than your going. when you change the gearing the tires are turing more which means more miles. i was thinkng the same thing i was getting better mileage but i a fried reset his odometer the same time i did and went for a dirive and his shoed 4.2 miles less.

skippytheloon

iTrader: (14)

WHAT?!?

Eiyse98ls1

the mileage is going to be off. your going to be recording more miles then your actually going.

hepcatws6

I kept a log of my mileage for awhile after I got my just to get an idea of what mileage I was getting. When I bought the car I was curious how the 4.10s would do in both mileage and top speed. My average for apporximately 15-20 fillups was around 17.40 city/highway. The highest I recorded while I was keeping the log was 22 (mostly interstate). Around town I usually get somewhere in the 15 range, little more sometimes. In 6th you should be cranking out around 2k on the tech. I don't know yet what the top end speed with these gears are, but I would love to know if someone has topped it out let us know!

xaon

iTrader: (12)

I've had my car up to 160-165 at the top of 5th gear (6900-7000rpm) with 4.11's.

I get about 20mpg average in my car.

And yes, my computer has been reprogrammed for the gear change.

MyLS1Hauls

iTrader: (2)

Nope. I've reprogrammed my computer. Trust me, I've seen it on a few cars personally. Mileage right around 30 with 4.10s.

Cyborg

iTrader: (8)

I got about 20mpg w/ 4:10s and M6 when I had an NA h/c setup as long as I kept my foot out of it...was good for 160+ w/ same setup...I drive 600+ miles/wk and would have no prob recommending 4:10s

General Jack

iTrader: (4)

I drove to Dallas and back before and after my 4.11 install. Mileage was within 1 mpg both way (approximately 22 going up, ~21 coming back). Driving style was very similar, just slightly more aggresive going up because coming back I was breaking in, but these were both 90% highway miles. Speedo was recalibrated too so that doesn't factor in.

silverZ98

iTrader: (6)

before my 4:10s broke i whent ot a trip to MO and was getting 27 28mpg in the iterstate, and about 19 20 around town. with the stock gears in it now mad the trip to MO again and got 30mpg all this with the mods in my sig

z98

I have 3.73, but I'll chime in anyway.

24+ mpg, 155+ mph (still had more left).

mike c.

iTrader: (1)

4.11's-@70mph i'm on 1,800rpm's in 6th gear,with my 6,800 rev limiter i still top at 160mph in 5th gear and gas mi,WHO CARES i don't drive this kind of car for gas mileage,you should'nt either.

texada

iTrader: (3)

how does those 4.10 run from a 70mph punch? Also, how does the 5th gear pull when shifting into 5th from 4th gear, does it bog?

1BAD-SS

This is correct, and the only reason I use a Hypertech programmer right now.