I want to regear, need some help! - Ranger-Forums - The Ultimate Ford Ranger Resource


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  #1  
Old 06-03-2009
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I want to regear, need some help!

Ever since I put 31s on my truck its seems to be a little sluggish getting up to speed, and the MPG is very good either. So I figured regearing seems to be the best option. Right now I have 3.73 gears and I want to go to 4.10 gears. I also want to regear because some day I want to do a bodylift and 33s and I know 3.73 gears aren't going to cut it.

I went to a junkyard yesterday and they priced me $450 for a 4.10 rear axle is that to much? I want to try and find one for $250 is that going to be hard to find? I'm going to go to some more junkyards today to see what others are selling them at.

Questions:
1st question is would getting 4.10s give me better gas mileage and get me up to speed a little quicker?

2nd question would these gears work fine with 33s?

Any info or opinions would be greatly appreciated!

Thanks,
Clay
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Old 06-03-2009
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It would definitely help some, and 450$ is way overpriced..I sold my stock 4.10 axle for 125$
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Old 06-03-2009
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Yes, the 4.10s would help with acceleration. I have noticed a huge difference between stock and 3.73's on my 2.5L 5spd, and the 31's and 4.10's that are on it now.

I think the 4.10's might also help with MPG, granted it might change the RPM range you cruise at, making it a little higher, but it might also put the RPMs in a better, more efficient range.

And yes, $450 for a rear axle is abso-fcking-lutely ridiculous.
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Old 06-03-2009
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Thanks for the quick replys guys. So getting a 4.10 axle will raise my rpms when driving?
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Old 06-03-2009
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Yhea your rpms will go up a little bit. Not to much though. In all reality when you put the 33's on your rpms will prolly be right back to about where they were when the truck was stock.
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Old 06-03-2009
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Yes, it will raise your RPM's while driving. BUT that MIGHT help improve your mileage by allowing the engine to run at a more efficient RPM. I dont know what the "sweet spot" is for a 4.0 ohv..

Then again, you could just spend that money differently and ditch that 4.0....
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  #7  
Old 06-03-2009
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Quote:
Originally Posted by freddie View Post
Yes, it will raise your RPM's while driving. BUT that MIGHT help improve your mileage by allowing the engine to run at a more efficient RPM. I dont know what the "sweet spot" is for a 4.0 ohv..

Then again, you could just spend that money differently and ditch that 4.0....

Now were talking...
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Old 06-03-2009
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Quote:
Originally Posted by freddie View Post
Then again, you could just spend that money differently and ditch that 4.0....
Haha. The 5.0 swap has been going through my mind like crazy the place that priced the 4.10 axle priced me $850 for an explorer 5.0L with the roller cams( I don't know what the benefits of this is) w/ 44,000 miles, I said thanks but no thanks. I still want to regear though.
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Old 06-03-2009
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Meh they're ridiculous. I couldve got a 2000 Explorer 5.0 with the whole engine harness and accessories for 500
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Old 06-03-2009
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thats what I'm talking about. If I ever did it I would want to do the setup similar to rwenzings, engine and tranny from an explorer, f150 t-case.
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  #11  
Old 06-03-2009
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I think 4.10's will be a waste. Why do you think owners with 4.10's move up to 4.56 and 4.88 gears? Rule of thumb is you need to go up two sizes to notice the difference.
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Old 06-03-2009
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I would never pay over 250 for a rear axle
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Old 06-03-2009
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Quote:
Originally Posted by jlstang351 View Post
I think 4.10's will be a waste. Why do you think owners with 4.10's move up to 4.56 and 4.88 gears? Rule of thumb is you need to go up two sizes to notice the difference.
4.10s are just easier to find since a lot of Rangers came stock with 8.8s and 4.10s so you just have to swap axles instead of taking the truck somewhere and having to get the gears swapped out by a professional. A lot of guys want to move up from the 7.5 axle to the stronger 8.8 anyway.
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  #14  
Old 06-03-2009
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I wasnt thinking about him having a 7.5"
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  #15  
Old 06-03-2009
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I think it says I have an 8.8 3.73 I would go and double check but its pouring outside.
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  #16  
Old 06-03-2009
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most shops charge $250 for a gear install around here. you can pick up a used 4.10 for $75 all day long. still be cheaper and you dont have to do any of the work!
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  #17  
Old 06-03-2009
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Quote:
Originally Posted by cchsbuzz19 View Post
I think it says I have an 8.8 3.73 I would go and double check but its pouring outside.
You have a 4.0. It's definitely going to be a 8.8. As far as axle prices, I've had quotes from $200 up to $500 around here. I'm in the Toledo area so I assume things are about the same in the Greater Cleveland area.
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  #18  
Old 06-03-2009
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Dont you have to regear the front to?
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  #19  
Old 06-03-2009
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Quote:
Originally Posted by TrucknGolf View Post
Dont you have to regear the front to?
good question! anybody know?
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  #20  
Old 06-03-2009
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YES
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  #21  
Old 06-03-2009
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You have 4x4, so yes the front has to be re-geared also.
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Old 06-03-2009
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Oh duh, I forgot about you being 4x4 lol
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  #23  
Old 06-03-2009
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One bump in gear sizes is not worth the cost or hassle IMO. What are your end goals with tires and gears?
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  #24  
Old 06-03-2009
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I just assumed you already knew that you'd have to regear the front lol. My bad, I would have said something had I thought about it..
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  #25  
Old 06-03-2009
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Its all good!
ok so what do I need for the front? Gear wise
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