Novak Conversions Jeep Wrangler TJ engine mounts

Wheels for stock TJ

BaxterJeep

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Baxter, TN
Hi. Newbie here. I've never owned a Jeep before, but just bought a 2002 Wrangler with 153K miles, full doors, new soft top, MT, and completely stock. That picture in my avatar is not mine, but it's close. I'll get some pictures up soon. Heck I haven't even driven it a mile yet! I'm not planning to do any difficult off-roading with it. Light duty dirt roads and some paved roads in the back country with my wife and the top down, that's our speed.

For a four wheel drive, open-air, MT, small, nimble vehicle, this was just what I was looking for. Love the torque and reliability of the 4.0 with MT.

My buying experience was mixed. The Facebook seller has learned throughout his 68 years how to act like a nice guy, but he is really just like a certain percentage of people out there who are going to try and get the best of the deal no matter what. It was fairly well described and had some good pictures in the listing. I went through the listing with him before going to buy it. Things that really stood out for me, besides being stock and setup just the way I wanted, were that he installed a new soft top, that it was very clean inside, and he put five new tires on it and they were stock size and based on the picture, had a tire tread type that would be quiet on paved roads. When I got there everything checked out except for a non-disclosed power steering leak (no big deal) and the tires. Ah yes, those 'new' tires. First thing I saw was the front drivers side and it looked to be about half tread. I said to him, that's not a new tire, he said it's like new. I looked closer. No it's not, it has hundreds of dry rot cracks in between the treads. He said well they are only a year or two old. I said you told that you put new tires on it. He said no, I said they were like new. I took my phone out and showed him the listing which clearly says new tires. He didn't have much to say after that. I found the date codes and the tires were eight years old. The spare wasn't matching and was 12 years old. I said we had an agreement, which was $8000 price (full asking in the listing) for what is written in your listing. I said I even asked you what brand tire you went with and you said Firestone. The tires are crap. He bought a set of old tires off FB and said they were new in his listing. One of the tires even had a broken belt. I asked him to work with me on it out of good faith and honor. No way he said, you're getting a steal on this as it is. He gave me two choices. Buy it as is for the asking price or get back in my truck and go back to where I came from, wasting 11 hours of my time and about $450 in out of pocket on fuel and trailer rental. Yes, I wanted to make a point and drive away. But it would have been a pointless point, because given that I was already into it for so much of my time and money, it made sense for me to take it as is.

My wife says karma is a bitch and what goes around comes around. I believe we all make our own luck in this world, good or bad.

I'm not unhappy with my new Jeep, but the buying experience took a bit of shine off the apple.

So I need new tires. Actually, I love buying new tires for a vehicle. It's usually transformative. But I look at this as an opportunity to change both tires and rims. Rims and how they are placed in the wheel wells of a vehicle are make or break for me regarding aesthetics. I believe tires are the most important part on a car for safety and performance. I've read about JK takeoffs and how with adapters they can be put on a TJ. But all of what I've read so far are threads on people lifting their TJ's when they do it. Please help me learn about the possibility of using JK takeoffs on a stock TJ. What about clearances and offset and handling changes?

If not JK takeoffs, then what? I don't know if I trust 23 year old wheels to be running straight anymore, and that's critical to me. So I'm inclined to change both tires and rims. When I get done putting new tires and wheels on, and also fixing anything needed mechanically, and getting an alignment, I need my TJ to run straight and smooth on paved roads. That's the starting point for me. The light off-roading comes second.

JK Takeoffs are so appealing in terms of price, and you know that new ones will be new and all balanced and ready to go. A deal. Buying new rims and new tires and paying for balancing and install is going to be a lot more expensive. I'll do it, but just wanted your thoughts on alternatives. Used set on Facebook where the seller says they run smooth and still have good tread left is not going to be good enough for me. I'm very particular about how my vehicles drive down the road.

Thanks for enduring my long first post on your forum

Greg
 
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Existing wheels are probably perfectly fine despite the 23 years of age. I would put the new tires on them unless you just don’t like the way they look.

Personally, after years of driving on aftermarket wheels, I will never go back to them after having now gone back to stock wheels. Stock wheels look like they were made for the vehicle and they offer the best fitment for stock sizes, and offer best quality. That is part of the appeal to JK takeoffs also, is they maintain the pros of OEM quality while offering a decent platform for larger tires because of the net backspacing dimensions once the lug adapters are installed to run them.

I’d just pick some tires for your current wheels unless you just really don’t like them. If they didn’t run true, THEN I would evaluate the wheel options.

Sorry to hear about the prick you bought from.
 
Existing wheels are probably perfectly fine despite the 23 years of age. I would put the new tires on them unless you just don’t like the way they look.

Personally, after years of driving on aftermarket wheels, I will never go back to them after having now gone back to stock wheels. Stock wheels look like they were made for the vehicle and they offer the best fitment for stock sizes, and offer best quality. That is part of the appeal to JK takeoffs also, is they maintain the pros of OEM quality while offering a decent platform for larger tires because of the net backspacing dimensions once the lug adapters are installed to run them.

I’d just pick some tires for your current wheels unless you just really don’t like them. If they didn’t run true, THEN I would evaluate the wheel options.

Sorry to hear about the prick you bought from.

Thanks for that point of view.

I kinda like the look of the stock wheels, but i'd need to know if they were good before I bought tires and installed them. I don't know a good way to do that.

I've bought and sold a lot of vehicles on FB. I know the game. Once in a while I'm going to run into someone who is not being forthright. Part of it was my fault going into it too quickly. Not the first time I've done that. Life goes on.

Greg
 
Agree you should keep the stock wheels. Whatever you do please don't install JK wheels.

Please tell me why not. Is it the offset and scrub radius and handling issues? Spacing? Do they hit the fenders? Or is it because it's cool to keep a stock look on an iconic Jeep?

Greg
 
Thanks for that point of view.

I kinda like the look of the stock wheels, but i'd need to know if they were good before I bought tires and installed them. I don't know a good way to do that.

I've bought and sold a lot of vehicles on FB. I know the game. Once in a while I'm going to run into someone who is not being forthright. Part of it was my fault going into it too quickly. Not the first time I've done that. Life goes on.

Greg

I would just throw the tires on the existing wheels and see how it does. More than likely, they will be perfectly fine. If they are not, then buy some other wheels and move your tires over. You’d only be out a small bit of labor at most; not really that big of a headache in my opinion.

Most likely the stock wheels are perfectly fine, I don’t hear of them being bent or untrue often at all.

And I tend to agree about the JK wheels. I can see the point to them for 33-35” tires, but I do think they’re uglyish and out of place on a TJ platform. I don’t know why I think thay. The TJ rubicon wheels are similar looking and yet somehow I am totally fine with them. I would not ever choose JK wheels for a more stock TJ. There is just no need or benefit for them, and smaller stock OD tires look weird on 17’s.
 
I took a look on the tire/wheel calculator that I'm using, and the JK wheel tire overall diameter is about 25-3/4", or about 3" more than that stock TJ wheel/tires.

That's 1-1/2" closer to the fender. That doesn't seem like it would be a problem.

However, the amount of spacer needed to bring the wheel back out so that it is closer to the stock TJ for the scrub radius and handling, might be an issue. For certain they would need to be really good quality adapters and spacers. Hub-centric, is that a thing with the TJ?

Greg
 
I took a look on the tire/wheel calculator that I'm using, and the JK wheel tire overall diameter is about 25-3/4", or about 3" more than that stock TJ wheel/tires.

I’m confused. JK wheels people usually choose typically come with 32.1” 255/75R17 tires. TJ stock tires are anywhere from 27.5” to 31” depending on trim.

That's 1-1/2" closer to the fender. That doesn't seem like it would be a problem.

However, the amount of spacer needed to bring the wheel back out so that it is closer to the stock TJ for the scrub radius and handling, might be an issue. For certain they would need to be really good quality adapters and spacers. Hub-centric, is that a thing with the TJ?

The scrub radius would be affected for sure, although it probably won’t drive too poorly regardless. You could use 1-1.5” adapters to dial it in where you want it. The JK wheels start out pretty deep and so just doing a 1” spacer would put you in a pretty good spot.

Still think you’re better off on TJ wheels though.
 
I’m confused. JK wheels people usually choose typically come with 32.1” 255/75R17 tires. TJ stock tires are anywhere from 27.5” to 31” depending on trim.



The scrub radius would be affected for sure, although it probably won’t drive too poorly regardless. You could use 1-1.5” adapters to dial it in where you want it. The JK wheels start out pretty deep and so just doing a 1” spacer would put you in a pretty good spot.

Still think you’re better off on TJ wheels though.

I use wheel-tire.com to calculate the differences between one set of wheel/tires and another. There's a lot more information, I just copied and pasted this bit, which worked better than I thought it would.

I'm using 215/45 R15 because that's a common sized tire for a 2002 TJ


[th width="194.175px"]
Rims​
[/th][th]
Rim 1 (15x7 ET 32)​
[/th][th]
Rim 2 (17x7.5 ET 45)​
[/th]​
[td width="194.175px"]
Rim Diameter​
[/td][td]
381 mm​
[/td][td]
432 mm
13%
[/td]​
[td width="194.175px"]
Rim Width​
[/td][td]
178 mm​
[/td][td]
191 mm
7%
[/td]​
[td width="194.175px"]
Backspace​
[/td][td]
134 mm​
[/td][td]
153 mm
14%
[/td]​
[td width="194.175px"]
Offset​
[/td][td]
32 mm​
[/td][td]
45 mm
41%
[/td]​
[td width="194.175px"]
Typical Weight​
[/td][td]
7.3 kg​
[/td][td]
10 kg
38%
[/td]​
[th width="194.175px"]
Tires​
[/th][th]
Tire 1 (215/45 R15)​
[/th][th]
Tire 2 (245/45 R17)​
[/th]​
[td width="194.175px"]
Section Width​
[/td][td]
215 mm​
[/td][td]
245 mm
14%
[/td]​
[td width="194.175px"]
Sidewall​
[/td][td]
97 mm​
[/td][td]
110 mm
14%
[/td]​
[td width="194.175px"]
Overall Diameter​
[/td][td]
575 mm​
[/td][td]
652 mm
14%
[/td]​
 
Oh no. Computers. What else would I expect from the most unreliable devices I own.

When I pasted into my reply it looked great with tables and clear to read. When I posted it, I got this.

Total diameter goes from 575 to 652mm

Greg
 
I use wheel-tire.com to calculate the differences between one set of wheel/tires and another. There's a lot more information, I just copied and pasted this bit, which worked better than I thought it would.

I'm using 215/45 R15 because that's a common sized tire for a 2002 TJ




[th width="194.175px"]
Rims

[/th][th]
Rim 1 (15x7 ET 32)

[/th][th]
Rim 2 (17x7.5 ET 45)

[/th]
[td width="194.175px"]
Rim Diameter

[/td][td]
381 mm

[/td][td]
432 mm​
13%



[/td]
[td width="194.175px"]
Rim Width

[/td][td]
178 mm

[/td][td]
191 mm​
7%



[/td]
[td width="194.175px"]
Backspace

[/td][td]
134 mm

[/td][td]
153 mm​
14%



[/td]
[td width="194.175px"]
Offset

[/td][td]
32 mm

[/td][td]
45 mm​
41%



[/td]
[td width="194.175px"]
Typical Weight

[/td][td]
7.3 kg

[/td][td]
10 kg​
38%



[/td]
[th width="194.175px"]
Tires

[/th][th]
Tire 1 (215/45 R15)

[/th][th]
Tire 2 (245/45 R17)

[/th]
[td width="194.175px"]
Section Width

[/td][td]
215 mm

[/td][td]
245 mm​
14%



[/td]
[td width="194.175px"]
Sidewall

[/td][td]
97 mm

[/td][td]
110 mm​
14%



[/td]
[td width="194.175px"]
Overall Diameter

[/td][td]
575 mm

[/td][td]
652 mm​
14%



[/td]​

215/45R15 is not a TJ size, that would be really small. Early TJs (97-99) could come with a 205/75R15 tire on a 15X6 base steel wheel (9-slot windows), and that was the smallest option, at 27.5”. By 2002 that option was gone, and everything was 215/75R15 (28”) or 225/75R15 (28.5”) for 15X7 wheels, along with 30X9.50R15 on 15X8 wheels.

I don’t know where 215/45R15 came from but that is not correct.
 
I took it out for the first time today and put 50 miles on it on the backroads. I don't think this vehicle has been driven much in the last few years. It was a rough start, but by the end of the trip it was driving much better.

The tires are surprisingly not the worst thing about the driving experience. They are actually going down the road smoothly if you can believe it. One of the back tires has a spot on the tread that is sticking out about a 1/4" farther than the rest of the tread! They are all 8years old and show hundreds of dry rot cracks between the treads. Still going to change them for safety sake.

Macho, I think you're right. I looked the wheels over carefully and they look just fine. I don't feel any vibrations. So I'm keeping those wheels and just putting a new set of tires on them.

I like the way the tires fit the wheel wells. Pics attached. The tire size on it right now is 31x10.50 R15LT Is that a good tire size for my TJ? They seem quite tall, but then again I'm used to low profile tires on my sports cars.

The tire calculator is what gave me that tire size. I'm not using that anymore. I'm going to go by what's on there now and what's recommended for tire size here on the forum.

Greg

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02jeep3a.jpeg


02jeep5a.jpeg


02jeep6a.jpeg


02jeep7a.jpeg
 
I took it out for the first time today and put 50 miles on it on the backroads. I don't think this vehicle has been driven much in the last few years. It was a rough start, but by the end of the trip it was driving much better.

The tires are surprisingly not the worst thing about the driving experience. They are actually going down the road smoothly if you can believe it. One of the back tires has a spot on the tread that is sticking out about a 1/4" farther than the rest of the tread! They are all 8years old and show hundreds of dry rot cracks between the treads. Still going to change them for safety sake.

Macho, I think you're right. I looked the wheels over carefully and they look just fine. I don't feel any vibrations. So I'm keeping those wheels and just putting a new set of tires on them.

I like the way the tires fit the wheel wells. Pics attached. The tire size on it right now is 31x10.50 R15LT Is that a good tire size for my TJ? They seem quite tall, but then again I'm used to low profile tires on my sports cars.

The tire calculator is what gave me that tire size. I'm not using that anymore. I'm going to go by what's on there now and what's recommended for tire size here on the forum.

Greg

View attachment 613744

View attachment 613745

View attachment 613746

View attachment 613747

View attachment 613748

View attachment 613749

That’s good that the wheels run true. It takes a lot to ruin them, so I would have been pretty shocked if something was wrong with them.

31x10.5R15 is a bit large, especially since the largest stock tire that came on a 15x7 was 225/75R15 (28.5”).

225/75 offers very few options. 235/75R15 is a bit smaller than what you’ve got and might offer a slight improvement in handling, not that you’re necessarily after that. 31” is fine to keep, as long as the rubbing on sharp turns doesn’t bother you. Me personally, 235/75R15 is probably the largest and widest tire I’d run on a stock 7” wide wheel. That’s just me and my picky preferences, though. You also probably have very tall 3.07 gearing, which really doesn’t do well with any jeep tire size, and 235s would help with that. Although you might have 3.73, which is mediocre on 31’s and okay on 235s.

It looks good how it is at least.
 
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kinda like the look of the stock wheels, but i'd need to know if they were good before I bought tires and installed them. I don't know a good way to do that

Take the wheel off and lay it on the ground with the stem facing the ground. Then give each wheel a good hit with a hammer. A cracked wheel will sound cracked.. A good time to clean the inner side of rhe wheel too.
 
Welcome to the forum.

Like others have said, stock wheels have their advantages, given that they were designed specifically for the TJ. So unless you have a specific build in mind that calls for larger wheels, you should be fine for now. You can read more about stock wheels here.
 
Uh, you can simply open the driver door and look at the VIN decal to see the standard factory tire size. No need to rely on the (unreliable) internet for that information.

Great idea!

I did that and I found that the tire size is 215/75R15. I also got my build sheet and found that my Jeep was sent with 225/75R15.

Greg
 
I really appreciate all the input here.

Here's where I'm at right now, after spending about four hours researching things.

The tires that are on it now are 31/10.5R15 and I really like how they look and how they fill the wheel wells. According to the tire-size calculators, that's too wide of a tire for a 7" rim. But I researched on this forum and discovered that even though some folks think they are too wide for the 7" rim, others here are running that size and even wider with no reported problems. They look fine to me on the rims.

I had my wife turn the steering wheel all the way over and I checked for rubbing. No rubbing sitting still on a flat surface. They are close though. I'd say that running up over something fairly big like a foot tall rock with the steering locked to one side, it would rub a little. I'm not likely to ever be in that situation, so this is not a big concern for me.

I did a lot of looking on Tire Rack of the availability of on-road all-terrain tires in various sizes. The best selection is in the 235/75R15 size. But those would be 2" shorter and 1" narrower than the tires I have on there now that I like the look of so much. I do think this is a more reasonable choice for many reasons - handling, no rubbing, speedo would be more accurate, just closer to the stock specs that the vehicle was engineered to have, 2" easier to get in and out of.

So why am I so stuck on the aesthetics? The cool factor is real for me.

I found Kuhmo Road Venture AT52 on-road all-terrain tires in 31/10.5R15 and I'm leaning towards buying those. But still thinking.

I'd like to know what you all think of the difference these larger tires make with speedometer readings. At a reading on my speedo of 60mph I'll actually be going 67.1mph. My wife seems to be more concerned about this than I am. What do you think?

Greg

P.S. - creepy, now there's a Tire Rack ad showing up here on this thread.
 
7” wheel is perfectly fine for a 31X10.50R15 tire. Most all of those tires recommend 7-9” wheel width, meaning you would just be following the narrower end of the spec, but still be in spec per the tire manufacturer recommendations.

Speedo is a non issue. Buy the correct speedo gear and change it and that will fix the issue. You need 11% less speedo gear teeth than you have. Pull yours, figure out what 11% of your teeth quantity is, subtract that from the existing tooth count, and there you have your new gear to buy.

30X9.50R15 is a reasonable middle ground, although less options in it. If you really like the looks of the 31X10.50, then go for them. They won’t hurt anything. Especially for the type of driving you seem like you’ll be doing.
 
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Novak Conversions Jeep Wrangler TJ engine mounts