Preventing a $2500 mistake - JeepForum.com

Reply
 
LinkBack Thread Tools
post #1 of 18 Old 02-02-2013, 05:00 AM Thread Starter
Jester77
Registered User
1985 CJ7 
 
Join Date: Nov 2012
Location: Dallas
Posts: 316
Preventing a $2500 mistake

I'm getting ready to purchase five new tires and wheels for the CJ. I do not want to make a $2500 mistake.

It has a stock 258, T5 transmission, Dana 300 transfer case, Dana 30 front end, AMC 20 wide track rear end with 3.31 gears. It's going to be a daily driver with some off roading on the weekends (mainly mud/dirt).

I put a Rubicon Express 4.5" CJ Extreme Duty Lift on it. I'm not planning on swapping any axles out at this point but will change the gears in the rear end if I need to. I don't want this to be a death trap.

Initially I was going to put 33's on it. But after reading some things on the forum, it's got me thinking twice about that. I have no idea what the best size tires and wheels to put on this monster.

I want to buy some ATX 186 Slot Chrome wheels, but don't know what size to get. Should I get 15, 16, or 17 inch?

What size tires would be a good fit for this application? I'm now thinking 32's.

Would gladly accept any advice on how to spend this money.

Jester


My 1985 CJ-7 Build Thread
Air Force Jeep Club - Tail # 200

"You miss 100% of the shots you don't take." Wayne Gretzky
Jester77 is offline  
Sponsored Links
Advertisement
 
post #2 of 18 Old 02-02-2013, 06:08 AM
lucdog
Web Wheeler
 
lucdog's Avatar
1980 CJ5 
 
Join Date: Jul 2006
Posts: 8,781
I would stay with a 15" rim, and only go to a 16" if the tires your looking at are not Available in a 15". I would stay away from the 17", its my understanding 17" tires are more expensive , and you may find limited tires as they're not as common. Plus they don't show enough side wall for a 32/33" tire.

As far as tire size, I think 33's would look best with your lift.

Check the Manufacturers web site for the tire your looking at, they have the tire diameters listed. You may find a 32" tire may only be 31.5" and a 33 may be 32.5". The exception to this would be INTERCO Super Swampers. SS tires tend to run the Advertised diameter if not larger.

Your comment on being a "death trap" really doesn't apply to rim/tire size, that's more a function of front end components. Here's a example.
On of my CJ 7's has 2.5" lift, 1" body lift, and 1/2" shackle lift. I have 35/12.50/15's on it for street driving, I feel perfectly safe at 65 mph on the road.

Bill

On edit, if anyone is Curious, where's a screen shot of the rims.


image-2411186045.jpg

1957 WILLYS pickup,
1973 J 4000,
1978 CJ7 DD.
1979 CJ7 360, TH400/Quadratrac.
1979 J20
1980 CJ5 trail Jeep.
1983 CJ7
1989 YJ the CJ to YJ.
lucdog is offline  
post #3 of 18 Old 02-02-2013, 07:59 AM Thread Starter
Jester77
Registered User
1985 CJ7 
 
Join Date: Nov 2012
Location: Dallas
Posts: 316
Bill,

I appreciate that advice, it is sound. I read in another post where someone stated that big tires could turn a CJ into a death trap. I probably took it out of context, that's why I made that comment. I don't want this thing to be drifting all over the road. Outside of the axles, it has a completely new suspension on it.

I haven't settled on a tire brand yet, although I'm looking at Pro Comp. Any advice on a good brand for highway/rain/some snow and weekend mud?

Jester

My 1985 CJ-7 Build Thread
Air Force Jeep Club - Tail # 200

"You miss 100% of the shots you don't take." Wayne Gretzky
Jester77 is offline  
post #4 of 18 Old 02-02-2013, 08:13 AM
RedCJ83
Registered User
1983 CJ7 
 
Join Date: Jun 2011
Location: Dublin
Posts: 118
Jester,

A couple of other things to think about. I have the same engine, axles, and transmission as you. I run 35x12.50's Mickey Thompson mud claws. When I go to replace them I think I'm going to run 33's, the 35's are just so heavy, they stuff the fenders when articulating, and I have now spun the tubes in my AMC 20, I trussed out the axle to fix the problem. I can send pics if you want them. I've run 33's and 35's and I've never really ran across that many obstacles off road that I had to have 35's for, most everything I've come across that could have been done with 35's could also be accomplished with 33's.
RedCJ83 is offline  
post #5 of 18 Old 02-02-2013, 08:20 AM
Redmanchew
Registered User
 
Redmanchew's Avatar
1982 CJ7 
 
Join Date: Oct 2006
Location: Central Virginia
Posts: 1,566
I used to run 33 x10.5 15 BFG TA/ko's there are a few manufactures otu there that still make "pizza cutters" that look good and perform well in most applications.
Just make sure when looking at wheels that the center hole is large enough to fit over your lockouts....
and watch out for "dual bolt pattern" where the wheels have 10 holes in them vs 5.
Before you actually lay down the cash, call the outlet or center where you plan on buying them and make sure they are what you are looking for and are in stock.... nothing like waiting on backorders that last for many months...

1982 CJ-7 2003 4.3 chevy vortec, 4L60E, Clocked Dana 300 35 x 12.5 x 15 KM2 on Cragar 399's. Vanco Brake Booster. Power steering conversion. Warn front and rear bumpers with swing away. Moser 1 piece rears. Rear OX.

Support your local MS foundation. You don't know how much this disease sucks until it affects someone you love.

http://main.nationalmssociety.org/si...al&fr_id=18331

Quote:
Originally Posted by twoleos617 View Post
To reiterate for the 1,067th time, when towing...
remove rear axle, xfer in N, trans in 5th, remove neg batt cable, key to Run and go??
Redmanchew is offline  
post #6 of 18 Old 02-02-2013, 08:23 AM
RobsCrawlin7
no balls
 
RobsCrawlin7's Avatar
2001 TJ Wrangler 
 
Join Date: Feb 2005
Location: Triangle
Posts: 3,258
since you plan on sticking with the stock axles, I would put 1 peice shafts in weld the tubes and maybe even truss it. I would run 33's, and probably flip the tie rod. I am not sure about the RE kit, but if it doesnt come with new HD shackles...I would check out crabtree tool and die and get a set of those. I agree 100% on staying with 15" wheels. anything over 15" will cost more.

'01 TJ 4.7/NV3550, 2" lift, 35's, locked.
'79 CJ7 stock, 304
'98 XJ sold
'79 CJ7 sold
'82 CJ7 parted
'89 MJ sold

SSG David Mejias, SSG Eric Vick, SGT William Bowling, SGT Robert McDowell
1 April 2007
Rest In Peace Brothers
RobsCrawlin7 is offline  
post #7 of 18 Old 02-02-2013, 08:28 AM Thread Starter
Jester77
Registered User
1985 CJ7 
 
Join Date: Nov 2012
Location: Dallas
Posts: 316
Quote:
Originally Posted by RobsCrawlin7 View Post
I am not sure about the RE kit, but if it doesnt come with new HD shackles...I would check out crabtree tool and die and get a set of those.
I'm sporting a new set of crabtree shackle hangers and the RE kit comes with some very heavy duty (greasable) shackles.

My 1985 CJ-7 Build Thread
Air Force Jeep Club - Tail # 200

"You miss 100% of the shots you don't take." Wayne Gretzky
Jester77 is offline  
post #8 of 18 Old 02-02-2013, 08:29 AM
mvigo
Web Wheeler
 
mvigo's Avatar
1985 CJ7 
 
Join Date: Jul 2008
Location: Northern California
Posts: 1,414
X2 on Bill's advice of a 15" rim. I run 32" Cooper tires and love them but keep in mind 32" size is getting harder to find throughout all product lines and manufacturers. 33" tires probably look better with a 4" lift and are much more readily available. Also, if you swap gears in the rear you will have to swap to the same size in the front.

And here is a plug for Cooper tires, they are made here in the U.S.A.! Cooper also manufacturers Pro Comps, Mickey Thompson, Dick Cepaks...

1985 CJ-7, fuel injected 258, 2.5" Rubicon Express Extreme Duty Lift, 1" Body lift, Crabtree Shackle Hangers, T-5, Dana 300 w/ 4:1 Teralow kit, Dana 30, AMC 20 w/1 piece axle, 3.73 's with Detroit Truetrac front and rear, riding on 32x11.5x15" Cooper Discoverer STT mud terrains
mvigo is offline  
post #9 of 18 Old 02-02-2013, 08:30 AM Thread Starter
Jester77
Registered User
1985 CJ7 
 
Join Date: Nov 2012
Location: Dallas
Posts: 316
Quote:
Originally Posted by RedCJ83 View Post
I can send pics if you want them.
In my opinion, there are not enough pictures for reference on the forum. Post 'em or PM me.

Jester

My 1985 CJ-7 Build Thread
Air Force Jeep Club - Tail # 200

"You miss 100% of the shots you don't take." Wayne Gretzky
Jester77 is offline  
post #10 of 18 Old 02-02-2013, 09:21 AM
lavern23
Registered User
2005 LJ Wrangler 
 
Join Date: Apr 2011
Location: Louisville
Posts: 95
It's sounds like you've got a solid suspension setup. I would definitely put 1 piece axels in and a truss as already mentioned. I've got the similar suspension setup on my scrambler and run 33's on a 15x10 rim. I just recently had to purchase tires. Mine were dry rotting. I picked up a set of 5 bfg mt km2's. I am extremely happy with their on and offroad manners. They are fairly quiet and have no road roar.

I'm geared with 355's, a small block and a t176.

Ive had many Jeeps and many different brands and kinds of tires. 33's would be my vote and I would definitely get the km2's again.

Good luck with your choice.
lavern23 is offline  
post #11 of 18 Old 02-02-2013, 10:26 AM
SlikRic
Muddin Maniac
 
SlikRic's Avatar
1983 CJ7 
 
Join Date: Jan 2008
Location: North Port, Florida
Posts: 3,125
^^X2^^ I have 32x11.5 bfg km2 and Love them on and off road

United States of America
Born: July 4, 1776
Died: Nov 4, 2008
SUICIDE
SlikRic is offline  
post #12 of 18 Old 02-02-2013, 10:27 AM
RenoF250
Registered User
1985 CJ7 
 
Join Date: Sep 2011
Location: Foresthill
Posts: 2,583
Quote:
Originally Posted by mvigo View Post
X2 on Bill's advice of a 15" rim. I run 32" Cooper tires and love them but keep in mind 32" size is getting harder to find throughout all product lines and manufacturers. 33" tires probably look better with a 4" lift and are much more readily available. Also, if you swap gears in the rear you will have to swap to the same size in the front.

And here is a plug for Cooper tires, they are made here in the U.S.A.! Cooper also manufacturers Pro Comps, Mickey Thompson, Dick Cepaks...
I always give Cooper a shot at tire time but they are difficult to find.

I think you will want new gears soon. I have the same setup as you but 4.11 and 32" tires and 5th is only usable on flat ground. It will be useless for you.

What tires are you looking at?
RenoF250 is offline  
post #13 of 18 Old 02-02-2013, 11:05 AM
row684
Registered User
1984 CJ7 
 
Join Date: Sep 2008
Location: Logan
Posts: 748
Quote:
Originally Posted by RenoF250
I think you will want new gears soon. I have the same setup as you but 4.11 and 32" tires and 5th is only usable on flat ground. It will be useless for you.
You WILL want gears with 33's unless you never go over 50 and drive it like a 4 speed. My 258/t5/d300/331's go fine in 1-4 gears but 5th is only flat ground and zero acceleration! Course maybe my 258 is just tired too. My T5 didn't last long either with 33's but it wasn't in good shape when I got the jeep.
row684 is offline  
post #14 of 18 Old 02-02-2013, 11:31 AM
RamblingCJ
Registered User
1986 CJ7 
 
Join Date: Dec 2012
Location: Dallas Area
Posts: 471
Quote:
Originally Posted by RenoF250

I always give Cooper a shot at tire time but they are difficult to find.

I think you will want new gears soon. I have the same setup as you but 4.11 and 32" tires and 5th is only usable on flat ground. It will be useless for you.

What tires are you looking at?
You shouldn't have a problem with 5th gear if you're running 4.11 and 32" tires. Something doesn't sound right there.
RamblingCJ is offline  
post #15 of 18 Old 02-02-2013, 11:37 AM Thread Starter
Jester77
Registered User
1985 CJ7 
 
Join Date: Nov 2012
Location: Dallas
Posts: 316
Quote:
Originally Posted by RenoF250 View Post
I think you will want new gears soon. I have the same setup as you but 4.11 and 32" tires and 5th is only usable on flat ground. It will be useless for you.

What tires are you looking at?
What gear ratio is good for 33's?

I have no idea what tires to buy. I want something that I won't have to replace in a year and something that drives nice on the highway as well as the mud/snow. I'm open for suggestions on the tires as well. I was looking at the Pro Comp All Terrain Radial, but they don't make a 33 with 15" wheels.


My 1985 CJ-7 Build Thread
Air Force Jeep Club - Tail # 200

"You miss 100% of the shots you don't take." Wayne Gretzky
Jester77 is offline  
Reply

Tags
tires , wheels

Quick Reply
Message:
Options

Register Now



In order to be able to post messages on the JeepForum.com forums, you must first register.
Please enter your desired user name, your email address and other required details in the form below.

User Name:
Password
Please enter a password for your user account. Note that passwords are case-sensitive.

Password:


Confirm Password:
Email Address
Please enter a valid e-mail address for yourself.



Email Address:
OR

Log-in









Human Verification

In order to verify that you are a human and not a spam bot, please enter the answer into the following box below based on the instructions contained in the graphic.




Currently Active Users Viewing This Thread: 1 (0 members and 1 guests)
 
Thread Tools
Show Printable Version Show Printable Version
Email this Page Email this Page



Posting Rules  
You may post new threads
You may post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off
Trackbacks are Off
Pingbacks are On
Refbacks are On

 
For the best viewing experience please update your browser to Google Chrome