4.10's and A4 how do you like them?

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Feb 14, 2008 | 03:27 PM

#46

Capn Pete

Registered User

Joined: Jan 2002

Posts: 5,308

From: Oshawa - Home of the 5th-gen

Quote:

Originally Posted by Gtpguy

Capn Pete, I hear what you are saying about 4.10s in both A4 and M6s transmissions. However, I feel the reason most A4 guys choose 3.73s over 4.10s isn't for all out acceleration and 1/4 performance, but for a happy medium between going fast and MPG.

Honestly? There's very little difference between the two. Really! And even between 2.73's --> 4.10's, my "average" city/hwy mileage stayed relatively consistant ... about ~230 miles per tank usually (about ~50/50 blend of city/hwy). Max mileage on the hwy w/2.73's was ~310 miles, vs. only ~265 w/4.10's. 3.73's got maybe ~275 max on the hwy?

Not a huge difference, IMO. And like Al was saying, mileage usually isn't of much consideration once you start modding and looking for more performance

Quote:

Originally Posted by Gtpguy

Another thing is I'm betting that 4.10s in an A4 LS1 are more forgiving than in an A4 LT1, in terms of MPG and perhaps performance due to the extra RPMS and better breathing the LS motors possess. ..... Did you ever run 4.10s in an A4 LT1? Just asking.

Nope, never owned an LT1 myself, although I have a couple friends with them, A4's and M6's, modded and stock. You're right about their lower power-band though, although to a degree, it shouldn't matter ... quicker acceleration is quicker acceleration ... although in terms of hwy cruising, the higher revs in an LT1 may make even more of a difference??

Quote:

Originally Posted by LSWHO

Funny you should say this. I was about to make a comment on a 4.10 a4s probable trailer queen status, until I remembered I said I was already done here. I actually had it all typed out too.

Street/strip vs. strip only is definitely a different setup. I was strictly speaking of dual compatibility cars. My mistake.

I sure hope you don't think A4/4.10 is a trailer queen??

Far from it. Heck, I think you could run 4.56's with a ~4000 stall and still be street/strip!!

Feb 14, 2008 | 08:04 PM

#47

LT-x7

Registered User

Joined: Mar 2004

Posts: 189

From: Central Cali.

Quote:

Originally Posted by Capn Pete

I sure hope you don't think A4/4.10 is a trailer queen??

Far from it. Heck, I think you could run 4.56's with a ~4000 stall and still be street/strip!!

My setup: A4, 4.10's, 26" tires, 3600 stall.
I put ATLEAST 100 miles a week on this setup and get between 15 and 22mpg. Car only see's the track a few times a year.
I guess some of you boys would consider this car a trailer queen....