[Z06] 4.11's???
Le Mans Master
Joined: Jun 2003
Posts: 9,251
Likes: 217
From: 2007 Nat'l Corvette Challenge 11.50 index Champ. New Jersey
Originally Posted by Yellow03ZO6
how are those gears for driving around on the street?
If you take it easy though, you should have no problems... Just be ready to shift!
Supporting Vendor
Joined: Mar 2002
Posts: 2,073
Likes: 0
From: Loveland CO
I have 4:10's in my C5 and I love them. I ended up talking my Dad into them for his Z06 and he seems to enjoy them alot. Traction wasen't ridiculous with just the 4:10's but you could spin them at will. With the magnuson its just stupid. No traction in the first three gears and part of fourth. Go with the 4:10's. You will have fun. I can set you up with a 4:10 rear end for $900. Add $300 for the hardened shaft. Give me a call. 303 438 1571. Kaley
Le Mans Master
Joined: Nov 2001
Posts: 6,984
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From: Central Coast CA
I keep reading 4.10's are great for the coupe/vert's but to much for the Z06, on the street. Many say 3.90's are a better choice on the Z06, remember the trans is already geared differently than the coupe/vert's.
Racer
Joined: Jun 2004
Posts: 424
Likes: 59
From: Warner Robins GA
Originally Posted by Shylor
I keep reading 4.10's are great for the coupe/vert's but to much for the Z06, on the street. Many say 3.90's are a better choice on the Z06, remember the trans is already geared differently than the coupe/vert's.
I would agree that the 3.90's are a better choice for Z06's, and 4.10's are better for Coupe's. 4.10's are a little steep for the Z06 with its already steep transmission gearing.
Race Director
Joined: May 2003
Posts: 19,105
Likes: 2
From: Paducah KY
Cruise-In VII Veteran
I have the 4.10's and absolutely love em'! 
Traction just depends on your foot, I can smoke them at any time or take it easy and just cruise around normally.
The excelleration is incredible and like said above you have to adjust to shifting lot quicker, especially from 1st to 2nd, when showering down on it.
Traction just depends on your foot, I can smoke them at any time or take it easy and just cruise around normally.
The excelleration is incredible and like said above you have to adjust to shifting lot quicker, especially from 1st to 2nd, when showering down on it.
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Advanced
Joined: Sep 2004
Posts: 59
Likes: 0
Traction with 4.10s
Originally Posted by Yellow03ZO6
I'm having 4.11's installed in my 03 ZO6. I was wondering if anyone has them installed on their car and if so how bad is traction on the street?
Don't let stories of run away traction problems stop you. You will love the 4.10s. The car is definitely not overgeared. In fact I would go as far to say that if a 4.30 gear ratio were available, I am not sure it would be too much for the street. That would be the upper limit though. And at the track it would force you to shift into 5th gear. In fact some say that the 4.10s will force a 5th gear shift at the track.
Traction problems can be corrected with sticker tires. If you are torn between the 3.90s and the 4.10s?...... go with the 4.10s!!!!
Advanced
Joined: Sep 2004
Posts: 59
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Z06 Jim
Originally Posted by Z06-JIM
I have the 4.10's and absolutely love em'!
Traction just depends on your foot, I can smoke them at any time or take it easy and just cruise around normally.
The excelleration is incredible and like said above you have to adjust to shifting lot quicker, especially from 1st to 2nd, when showering down on it.
Traction just depends on your foot, I can smoke them at any time or take it easy and just cruise around normally.
The excelleration is incredible and like said above you have to adjust to shifting lot quicker, especially from 1st to 2nd, when showering down on it.
That picture of your Black Z06 is AWESOME!!! Are the wheels CCW streets? And what about the tires? Michelin Pilot Sports? Finally what sizes are both the wheels and the tires? Thanks for any info that you can provide.
Jim
Advanced
Joined: Sep 2004
Posts: 59
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Originally Posted by Yellow03ZO6
how much top end is sacrificed with the 4.11's?
Thread Starter
Instructor
Joined: Oct 2004
Posts: 209
Likes: 1
From: Fords NJ
well when i leave work i usually haul *** down the turnpike and i usuallyhit 150 - 165 in short bursts. I just dont want my top speed to drop below 140. I guess i'll find out tom i drop the zo off to get the spec 3 clutch hardened out put shaft and 4.11's installed 
Drifting
Joined: Sep 1999
Posts: 1,574
Likes: 2
From: Orlando FL
One question..how many guys here that have 3.90s or 4.10s use their car as a daily driver? How many drive long distance, say 500 miles plus? I drive everywhere to include going from GA to MI to visit friends and from GA to NJ to visit family. Would this greatly effect mpg etc over long distance? Just wondering. Thanks.
Racer
Joined: Oct 2004
Posts: 366
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From: Murrieta Ca
=Would this greatly effect mpg etc over long distance? Just wondering. Thanks.
Le Mans Master
Joined: Dec 2003
Posts: 7,506
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From: Hillsborough NJ
Originally Posted by Lensboard
Yes it will. It will def reduce your fuel economy, it is a matter of physics. If is is a DD, then leave the gearing alone..IMHO