includemeout
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Outstanding guy's, keep the info coming, cause this is what a truck forum is all about.:rock: :rock: :rock: 
Rear diff gears
- Thread starter DRamSrt10
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DRamSrt10
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Thanks for the information. I really don't have any more question because now I understand what is the different of the 4.10, 4.56 and 4.88. I think I am going to get the 4.56 gear until I get the SC then swap it back to the stock 4.10. What do you think? :dontknow:
DRamSrt10
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Yeah, I am staying with the stock size tire but I want to get the 17' eagle alloy wheels and M&H tires later. Will it affect the gear?
FSTJACK
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DRamSrt10 said:
What kind of mods and or power adders are you planning to get ?
includemeout
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FSTJACK said:
See post # 7
IMO, that's kind of a waste.DRamSrt10 said:
A 4.56 gear package from Untrax will cost you in the neighborhood of $400. Then figure on another $3-400 (at least) for the install. Then you have to break them in for 300 miles - which is really no big deal, but why even bother?
I say save that $700+ and just put it towards the S/C. Keep the 4.10's if you plan on S/C'ing.
Dude, with 4.88's and all that power, you'll be hitting redline in 4th waaaaay before the end of the track!Scrambler1 said:
I know tire size will make a difference, but did you check Silver's post about 'Speed In Gears' with different gear ratio's?
http://www.vtcoa.com/forums/showthread.php?t=32
With 4.88's and stock tire diameter, it's 110 in 4th. My '04 had a DC Tune and Full exhaust and went 111mph in the 1/4. When your truck is finished you should easily have TWICE the power mine did!
I'd bet with 4.88's and 1,000+hp, you'll be shifting into FIFTH at 2/3 track!
Waaay too much gear...
DRamSrt10
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Hamrhead said:
Hmm...I agreed with you. I was planning to get the 4.56 gears and do the install by myself but since you made a good point. So, I am going to wait until I get the SC.
Tons and Tons of info:rock:
so my 2 cents
It all depends on what ya want, I went with 4.56 gears, but I also have a rear axle where I can run 15 inch rims and just about any size tire I choose so I can raise or lower my ratio with my tire choice, and I wanted the 4.56 to have fun on the street.
Now with you runnin the stock axle you are limited to at the very least a 16-17 inch rim with very few options of tall tires.
But bro, if ya drive more on the street and want to have a ton of acceleration and fun , do the 4.56, if ya want to go racin, well ya got tons of options, but for now stay with the 4.10's
so my 2 cents
It all depends on what ya want, I went with 4.56 gears, but I also have a rear axle where I can run 15 inch rims and just about any size tire I choose so I can raise or lower my ratio with my tire choice, and I wanted the 4.56 to have fun on the street.
Now with you runnin the stock axle you are limited to at the very least a 16-17 inch rim with very few options of tall tires.
But bro, if ya drive more on the street and want to have a ton of acceleration and fun , do the 4.56, if ya want to go racin, well ya got tons of options, but for now stay with the 4.10's
DRamSrt10
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Hey Stinker. How do it feel like to ride a truck with the 4.56 gears? Your rear axle is soooo sweet!! Yeah, I am going to stay with the 4.10 gear for now until I make a decision. Thanks guys for the information. You all rock! :rock:
DRamSrt10 said:
Honestly ya want notice much more than on take off, its much easier to leave a stop light with a 4.56, dont have to ride the clutch as much.
Other than that, its not too noticeable brohan
can any one post a link to UNITRAX? can't find them:dontknow:
includemeout
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I swapped out the 4.10's for 4.56's when my truck was relatively stock, and the best way I can describe it is - it makes 2nd gear feel almost like your first gear does now.DRamSrt10 said:
And it makes 1st gear, well, Fun!!
:rock: :burnout: :rock: It's definitely a Great Mod if your planning on simple bolt-ons.
When I had my truck, I did the 4.56's, Bellanger Headers w/ High Flow Cats, and a Magnaflow cat-back. Along with a DC Stage2 PCM and a K&N Filter. I only went to the strip once with these bolt-ons and managed a 12.66 @ 111.xx. With practice I'm sure I could've cut a couple more tenths off of that. I was shifting into 4th gear shortly after the 1/8 mile, but did have some RPM leftover in 4th when I went through the traps.
If you check Silverback's post at the top of this section - Speed In Gears - You'll see that 4th gear is good for 118mph w/ 4.56 gears, while 110mph is all 4th will do with 4.88's - Assuming you're running the stock tire height.
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