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Unread 11-03-2011, 10:38 AM   #1
98Tjboy
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Tire size with a 4 cylinder?

I have read up on many different threads on max tire size a 4 cylinder can handle and some say of regeared ones wearing 35's. What is the max size you can wear without having to replace the axle?

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Unread 11-03-2011, 11:13 AM   #2
geiman
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Has nothing to do with being a 4 cylinder; the 4 cylinder will only want to make you regear even more. The 4 cylinder has the same D35 rear axle as many other models, and as such the same rules apply. Only difference may be that since you've got a bit less power you may be less prone to snap an axle as opposed to someone with a 4.0 or larger engine.
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Unread 11-03-2011, 11:29 AM   #3
troy.j
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488 is as deep as you can go with the stock axles. Your 4 banger will be happy with 33s and those gears. If you want larger I recommend changing axles so you can go deeper with the gears. With a 4 and 33's I doubt you will break the D35.
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Unread 11-03-2011, 11:31 AM   #4
Tyler99TJ
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Don't go any larger than 31's on a 4 cyl TJ. If you want to go taller you will have to regear the axles ~$1000, then most likely you will need a Slip yoke eliminator for the lift height ~800 and it starts to get really expensive really fast. So unless you are wanting to spend about $3000 to have a Jeep that will run tall tires well, keep it on 31's.

After saying that, I am running a street TJ on 33's with 4.56 gears and it does alright on the road, and I have a trail TJ 4 cyl with 4.88 gears and 35" tires that needs a 4 to 1 transfer case.
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Unread 11-03-2011, 12:15 PM   #5
TheBoogieman
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33x10.50 tires are ok for a 4 banger and flat Florida.
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Unread 11-03-2011, 12:18 PM   #6
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Quote:
Originally Posted by Tyler99TJ View Post
Don't go any larger than 31's on a 4 cyl TJ. If you want to go taller you will have to regear the axles ~$1000, then most likely you will need a Slip yoke eliminator for the lift height ~800 and it starts to get really expensive really fast. So unless you are wanting to spend about $3000 to have a Jeep that will run tall tires well, keep it on 31's.

After saying that, I am running a street TJ on 33's with 4.56 gears and it does alright on the road, and I have a trail TJ 4 cyl with 4.88 gears and 35" tires that needs a 4 to 1 transfer case.
Personally I agree with this. I know lots of people do go bigger and are willing the throw the money at it to do it....and then throw money at to continually chase the weakest link.

I just think a great combo for a 4cyl TJ Daily Driver for its stock gearing is 31's with a 2" lift (BB or Spring)...but I know that was not your question.
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Unread 11-03-2011, 12:34 PM   #7
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Originally Posted by Dextreme View Post
Personally I agree with this. I know lots of people do go bigger and are willing the throw the money at it to do it....and then throw money at to continually chase the weakest link.

I just think a great combo for a 4cyl TJ Daily Driver for its stock gearing is 31's with a 2" lift (BB or Spring)...but I know that was not your question.
How many 4 bangers have you had and wheeled?
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Unread 11-03-2011, 01:03 PM   #8
Tyler99TJ
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Originally Posted by TheBoogieman View Post
33x10.50 tires are ok for a 4 banger and flat Florida.
This is what I run on my street TJ. They helped a little when I ran stock gears. When I bumped to 4.56 gears it helped much more. I like to drive faster than the speed limit and 33's and 4.88's top out around 70 mph.

I should also add that when I was in college I drive over the App mountians back and forth 300 miles on 33's with 4.10 gears, so it can be down, its just not enjoyable to drive on the highway.
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Unread 11-03-2011, 01:24 PM   #9
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Originally Posted by Tyler99TJ View Post
This is what I run on my street TJ. They helped a little when I ran stock gears. When I bumped to 4.56 gears it helped much more. I like to drive faster than the speed limit and 33's and 4.88's top out around 70 mph.

I should also add that when I was in college I drive over the App mountians back and forth 300 miles on 33's with 4.10 gears, so it can be down, its just not enjoyable to drive on the highway.
That's just sad. Every Jeep I've ever owned with 35's and 3.73 gears could easily hit 85 mph with auto or 5 and 6 speed stick.
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Unread 11-03-2011, 01:26 PM   #10
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Quote:
Originally Posted by Tyler99TJ View Post
This is what I run on my street TJ. They helped a little when I ran stock gears. When I bumped to 4.56 gears it helped much more. I like to drive faster than the speed limit and 33's and 4.88's top out around 70 mph.

I should also add that when I was in college I drive over the App mountians back and forth 300 miles on 33's with 4.10 gears, so it can be down, its just not enjoyable to drive on the highway.
Mountains kill mileage.My GF has a son going WVU and they suck.
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Unread 11-03-2011, 01:29 PM   #11
JeepGuy813
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Originally Posted by TheBoogieman View Post
That's just sad. Every Jeep I've ever owned with 35's and 3.73 gears could easily hit 85 mph with auto or 5 and 6 speed stick.

Ive had my jeep ( 4 cyl ) around 70mph with 33x10.5 and stock 4.10's. and personally thats fast enough in a jeep for me. I think 85+ would be kinda scary in that small little box
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Unread 11-03-2011, 01:37 PM   #12
Bordr329
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33 x12.5s here with 4:10 gears..... It aint bad. It aint good. Crawls a little faster.than I want and can speed if.i want to...
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Unread 11-03-2011, 02:09 PM   #13
98Tjboy
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Whats your max speed Bordr?
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Unread 11-03-2011, 03:44 PM   #14
Tyler99TJ
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I have had my TJ with 4.10's up to 90 mph going downhill, its the 50 mph going up the hill that sucks.

With the 4.56's I will go 75-80 down hill and then go down to about 65 going up hill.

It all depends on what you can live with.
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Unread 11-03-2011, 04:01 PM   #15
98Tjboy
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So with your size tires, would i be better off at 4.56 or 4.88?
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