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Old Oct 26, 2006 | 02:02 PM
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Default 4;10 rear

What is the advantage of a 4:10 rear with hardened shaft?
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Old Oct 26, 2006 | 02:10 PM
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I would answer your question, but it's just too silly?

You seem to know the terms correctly so you have some knowledge. It's like someone asking "should I use a spoon to eat soup", or "I know ABCDEFG... what's next".

I don't think your serious.


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Old Oct 26, 2006 | 02:18 PM
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What is the advantage of a 4:10 over other gear ratios?
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Old Oct 26, 2006 | 02:48 PM
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Depends on what your going to use the car for. If a DD, then you're spending a lot of money for show, but no place to go. If racing then the 4:10 gears w/harden output shaft are going to move you into a far more competitve profile. All about increased performance and speed with the higher gear ratios and mods like the hardened shafts.
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Old Oct 26, 2006 | 03:17 PM
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Thank you very much.
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Old Oct 26, 2006 | 03:49 PM
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I use a fork for my soup. I'm thinking 3:73's or 4:10's for my DD.

Chas
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Old Oct 26, 2006 | 04:08 PM
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Ah come on. It's not such a bad question.

4.10's will make you have much higher rpms for any given speed. Which means your top end will be limited - but for lower speeds you will get higher in the power curve sooner. I believe most serious drag racers would benefit from such a ratio. Probably not a good choice for a daily driver.

There - I think that's a more useful response than the spoon/fork approach.
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Old Oct 26, 2006 | 04:11 PM
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So what is the top speed out of a 4.10?
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Old Oct 26, 2006 | 04:18 PM
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kiss 1st gear good bye. and hope ya got lots a money for rear rubber !!

not all bad i guess.....but you are talking 'drag gears' here.

why not go with 4:56's !!!

Last edited by steck; Oct 26, 2006 at 06:21 PM.
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Old Oct 26, 2006 | 04:42 PM
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i had them in my 2000 ht that ran 11.88 with just bolt ons and NO tuning.

all i can say is fun, fun, fun!!!!!!!!

and by the way, 1st gear is not useless. i used it every time i came to a stop.

just learn to shift and you'll be alright.

Todd
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Old Oct 26, 2006 | 04:45 PM
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Originally Posted by steck
kiss 1st gear good bye. and hope ya got lots a money for rear rubber !!

not all bad i guess.....but your are talking 'drag gears' here.

why not go with 4:56's !!!
4.56:1 is not available for the C5 differential.

2.73, 3.15, 3.42, 3.73, 3.90 & 4.10 are the ratios available.

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Old Oct 26, 2006 | 06:22 PM
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Originally Posted by EnglandGreen
4.56:1 is not available for the C5 differential.

2.73, 3.15, 3.42, 3.73, 3.90 & 4.10 are the ratios available.

i'm sure it can be done !!
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Old Oct 26, 2006 | 10:52 PM
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Originally Posted by tommybilt
So what is the top speed out of a 4.10?
not sure but 5th gear 156mph and your tach is in the red zone.

wait, did i say that outloud? i meant it was in my dream, I never did that.
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Old Oct 26, 2006 | 11:55 PM
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Originally Posted by EnglandGreen
4.56:1 is not available for the C5 differential.

2.73, 3.15, 3.42, 3.73, 3.90 & 4.10 are the ratios available.

Hey EG,

You must be busy with stuff. You've been very quiet lately.

Glad to hear you're still out there.

Hope things are good your way,

GOZ
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Old Oct 27, 2006 | 12:08 AM
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Originally Posted by Ikester
not sure but 5th gear 156mph and your tach is in the red zone.

wait, did i say that outloud? i meant it was in my dream, I never did that.
"Closed course, professional driver"

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Old Oct 27, 2006 | 06:33 AM
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I think the 4:10's are fine in a 6 spd. Daily driver or not. If you're looking into big RWHP (over 450) they might be a bit much, but I like being able to use 6th gear at "normal" highway speeds. Sure first gear is a bit low, but all in all, a good mod.
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Old Oct 27, 2006 | 07:03 AM
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Originally Posted by EnglandGreen
"Closed course, professional driver"

don't try this at home, Ike is a professional
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To 4;10 rear

Old Oct 27, 2006 | 09:59 AM
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Originally Posted by EdsC5
I think the 4:10's are fine in a 6 spd. Daily driver or not. If you're looking into big RWHP (over 450) they might be a bit much, but I like being able to use 6th gear at "normal" highway speeds. Sure first gear is a bit low, but all in all, a good mod.
Do you have an experience to prove this?

..not a flame. A serious question. Im thinking about getting 4.10's in a stock 6speed vette to get more "oomph" in the seat ( and Ill NEVER have a need to drive faster that 160mph).

while reading and talking to fellow gear heads when I say "4.10" I get a responce saying
"you loose your first gear"
"the car will become un stable"
"not for a daily driver"
"You will have to buy new tires every 6 months"
"You will create a fold in the space/time fabric and destroy the universe"


but the math in the final drive ratio does not sound that bad?

any first hand experience out there?

Last edited by 71'AirStrike; Oct 27, 2006 at 10:01 AM.
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Old Oct 27, 2006 | 10:06 AM
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I ran 3.90s in an automatic with circa 600rwhp.

4.10s are fine with a 6 speed, don't let the naysayers put you off.

use www.f-body.org/gears/ for numbers
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Old Oct 27, 2006 | 10:22 AM
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Originally Posted by 71'AirStrike
Do you have an experience to prove this?

..not a flame. A serious question. Im thinking about getting 4.10's in a stock 6speed vette to get more "oomph" in the seat ( and Ill NEVER have a need to drive faster that 160mph).

while reading and talking to fellow gear heads when I say "4.10" I get a responce saying
"you loose your first gear"
"the car will become un stable"
"not for a daily driver"
"You will have to buy new tires every 6 months"
"You will create a fold in the space/time fabric and destroy the universe"


but the math in the final drive ratio does not sound that bad?

any first hand experience out there?
"you loose your first gear" - not true at all, as i stated above. that is a myth.

"the car will become un stable" - not true either, very stable! what do gears have to do with stability anyway?

"not for a daily driver" - not true, i drove my car to work 47 miles each way for 2 years.

"You will have to buy new tires every 6 months" - i had to do that anyway, even with the stock 3.42's. nothing new, can't blame the gears!

"You will create a fold in the space/time fabric and destroy the universe" - possible.
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