LT1-LT4 Modifications 1993-97 Gen II Small Block V8

Tires and Gearing questions

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Old Jan 2, 2010 | 01:30 PM
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Default Tires and Gearing questions

Hey- First time poster looks like a great site!

Need some help with Tires and Gearing!

First off I own a 1994 Z28 (stock rear end)

I have stock Camaro 16'' Wheels that I would like to keep

Stock tires are 235/55/16

I have 245/50/16 tires right now that are balder than a que ball.

I want to change my gearing from the stock to 3.73 gears

So could anyone refer me to a chart or table that shows how much accelaration I will gain and how much top end ill lose? Thanks
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Old Jan 2, 2010 | 01:37 PM
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http://www.ringpinion.com/Calc_RPM.aspx
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Old Jan 2, 2010 | 02:34 PM
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You won't lose any top end. You'll still be power limited, not rpm limited.
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Old Jan 2, 2010 | 02:49 PM
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http://f-body.org/gears/
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Old Jan 2, 2010 | 03:36 PM
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So if I wont lose any top-end should I go with 4.10 gears instead of 3.73? I drive the car in the summer alot but not long trips and just jam around town with it.
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Old Jan 2, 2010 | 04:31 PM
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Do you have an automatic or an M6?
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Old Jan 2, 2010 | 05:14 PM
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Originally Posted by 94Z28rag
Do you have an automatic or an M6?
My car is an Automatic.
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Old Jan 2, 2010 | 05:16 PM
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Stock tire size is 245/50/16, just an FYI. 3.73s would benefit your automatic-equipped car greatly, it will be tons more fun to drive!
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Old Jan 2, 2010 | 05:20 PM
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Originally Posted by 94Z28rag
Stock tire size is 245/50/16, just an FYI. 3.73s would benefit your automatic-equipped car greatly, it will be tons more fun to drive!
Which are better 3.73 or 4.10?

I'd like to order them soon
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Old Jan 2, 2010 | 05:34 PM
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Originally Posted by MaroZ2894
Which are better 3.73 or 4.10?

I'd like to order them soon
The 3.73s are slightly stronger than the 4.10s. What gears do you have now? You need to know if you have a 2 or 3 series carrier before you order your gears.
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Old Jan 2, 2010 | 05:35 PM
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Originally Posted by MaroZ2894
Which are better 3.73 or 4.10?

I'd like to order them soon
As an auto with 4.10's, My gas mileage sucks, but it's hella fun. You can pretty much shred the tires at will, even better with a large stall.
I went from 22 mpg to 15 mpg. If you care about mileage you should go with 3.73's, otherwise go with the 4.10's.
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Old Jan 2, 2010 | 05:56 PM
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cmon it should be maybe 10% mileage difference between 3.73s and 4.10s... its not a huge gearing difference.
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Old Jan 2, 2010 | 06:27 PM
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Originally Posted by Johnny-LT1-runner
As an auto with 4.10's, My gas mileage sucks, but it's hella fun. You can pretty much shred the tires at will, even better with a large stall.
I went from 22 mpg to 15 mpg. If you care about mileage you should go with 3.73's, otherwise go with the 4.10's.
Im not worried about gas mileage as of now. Will the 4.10 be a quicker car? And when you mean shred tires, do you mean its more difficult to hook up? I have brand new Fuzions for summer 2010

Originally Posted by Z-RATED94
The 3.73s are slightly stronger than the 4.10s. What gears do you have now? You need to know if you have a 2 or 3 series carrier before you order your gears.
I have stock gears. Which ever came on a stock 1994 Z28 are the gears I have now.
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Old Jan 2, 2010 | 06:43 PM
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Originally Posted by MaroZ2894
Im not worried about gas mileage as of now. Will the 4.10 be a quicker car? And when you mean shred tires, do you mean its more difficult to hook up? I have brand new Fuzions for summer 2010



I have stock gears. Which ever came on a stock 1994 Z28 are the gears I have now.
Gears help you accelerate faster, they multiply torque and if you can hook, you will be quicker in the 60'.
I had fuzion summer(street tires) on when I ran the 60' in my sig, I hooked everytime and got better 60's than my buddy with a cammed M6 LS1 with 4.10's. Once you start adding power or a stall you won't be able to hook unless you've got some slicks on, drag radials are pushing it.

Check your build codes. GU2 is 2.73 2 series, GU5 is 3.23 3 series.
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Old Jan 2, 2010 | 07:02 PM
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[QUOTE=J

Check your build codes. GU2 is 2.73 2 series, GU5 is 3.23 3 series.[/QUOTE]


These codes are loacted where?
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Old Jan 2, 2010 | 07:06 PM
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Originally Posted by MaroZ2894
These codes are loacted where?
Sticker in the glovebox.
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Old Jan 2, 2010 | 07:07 PM
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Originally Posted by Johnny-LT1-runner
Sticker in the glovebox.
Going to check it out now
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Old Jan 2, 2010 | 07:17 PM
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Originally Posted by Johnny-LT1-runner

Check your build codes. GU2 is 2.73 2 series, GU5 is 3.23 3 series.
Its reads GU5. So whats does that mean for ordering the gears?
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Old Jan 2, 2010 | 07:30 PM
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Originally Posted by MaroZ2894
Its reads GU5. So whats does that mean for ordering the gears?
That means you have 3.23's stock in a 3 series carrier. That's pretty much it, specify 3 series when ordering.

I ordered for a 2 series and they sent a set for a 3, we spent about an hour trying to figure out why they wouldn't line up.
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Old Jan 2, 2010 | 07:37 PM
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Can I ask what your plans are for the car? Any chance your going to do further mods?
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