[Z06] More gear
Le Mans Master
Joined: Sep 2014
Posts: 5,278
Likes: 539
From: Kelowna BC
I have not, but will offer my inexperienced opinion. Going from 3.42 to 3.73 is maybe too small a change to make a substantial seat of the pants (or ETA) change.
I'd think 3.90 minimum, or maybe 4.11's would be better.
I'd think 3.90 minimum, or maybe 4.11's would be better.
Pro
Joined: Jul 2011
Posts: 608
Likes: 17
From: South Lyon, MI
Depends what you use your car for, in general short gears aka low gears like 390 or 411 will cause better acceleration and you will really notice the difference. But just like everything else in your car engine power has to match the rear end. Keep in mind though that with lower gears you loose top end speed. A torquey engine like the LS engines you dont need to go crazy with the gears, if you want to improve your acceleration 390 should be a happy place. As usuall bigger (or in this case lower gears) doesnt always mean better. Hope this helps
Le Mans Master
Joined: Apr 2001
Posts: 9,556
Likes: 288
From: Granbury Texas
For the drag strip it will work, BECAUSE you will use slicks or race tires.
However, you will have NO traction on the street with those lower gears.
If your car is a track or strip car only, or if you roll race from (say) 3rd gear........you will be fine.
But you will find 1st and 2nd gear mostly useless on the street with street tires (and we haven't even mentioned slick conditions like snow or rain).
However, you will have NO traction on the street with those lower gears.
If your car is a track or strip car only, or if you roll race from (say) 3rd gear........you will be fine.
But you will find 1st and 2nd gear mostly useless on the street with street tires (and we haven't even mentioned slick conditions like snow or rain).
Thread Starter
Advanced
Joined: Mar 2006
Posts: 96
Likes: 0
From: western NY
Thanks for the input guys. I thought about a cam, but I am concerned about losing bottom end punch and drive ability issues. I have already installed long tubes and tune. I am not sure a cam would give me a noticeable change in performance as per dollar outlay.
Le Mans Master
Joined: Sep 2014
Posts: 5,278
Likes: 539
From: Kelowna BC
Yes, both 5th and 6th are OD. Top Speed is attained in 5th, 6th is for gas mileage.
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Safety Car
Joined: Mar 2003
Posts: 4,534
Likes: 374
From: Philadelphia PA
Are you planning on drag racing at the local track, is that why you're thinking about changing your gears?
Drifting
Joined: May 2015
Posts: 1,793
Likes: 147
