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Tire/wheel/lift Combo

I'm running 1" hub centric wheel adapters that are 5.5 x 5 both sides. Spacers are not legal in all areas and the shortest you can safely machine the aluminum and hide the nut and offset stud pattern is about 1.25". my wheels have pockets between lug nuts so it clears.

If you run adapters you need the button head bolt conversion. Honestly every closed knuckle needs button head bolts
 
you run adapters you need the button head bolt conversion. Honestly every closed knuckle needs button head bolts
This. You can lose a wheel.
Happened to me once, thankfully I was literally pulling in my driveway!
Also saw it happen to a friend (FinoCJ) on a mountain trail....thankfully he was able to limp back to civilization after some "improvised " trail repair.
 
I'm running 1" hub centric wheel adapters that are 5.5 x 5 both sides. Spacers are not legal in all areas and the shortest you can safely machine the aluminum and hide the nut and offset stud pattern is about 1.25". my wheels have pockets between lug nuts so it clears.

If you run adapters you need the button head bolt conversion. Honestly every closed knuckle needs button head bolts

There’s a reason why many spacers are not legal to run in many States, even though they are commonly used. I have used a 3/16” spacer for a space-saver spare to clear a front rotor, but thats the only example I have ever used.
I have had studs strip out of a closed knuckle on a Willys Wagon, but it happened on a dirt trail going under 20 mph. I have modified two sets of knuckles with headed grade 8 bolts (modified heads). This was before button head Allens were readily available.
-Donny
 
This. You can lose a wheel.
Happened to me once, thankfully I was literally pulling in my driveway!
Also saw it happen to a friend (FinoCJ) on a mountain trail....thankfully he was able to limp back to civilization after some "improvised " trail repair.

Yeah, I was towing a cattle trailer behind my J-2000. Miraculously, the wheel fell off right in front of the barn, not on a highway.
 
The OP says its a 75 cj5 - that would be a D30 and thus the open knuckles would already be studded from the factory. Also, although its a intermediate vintage CJ, the leaf springs and lift amounts are all pretty much the same as with the early CJ5s, minus some changes to the axle tubes and thus different U-bolts. Otherwise...most of us with early CJ5s run 33s using the BDS 2.5" kit. Most of us run a slightly longer shackle (OEM shackle is 1.75" - most of us run something closer to 2.5-3" length), and yes, the front springs could use a bit more arch, especially if you run a winch or some additional weight up front. Its well tried and proven, but 33s is the max with the 2.5" kit (and for most of us, we are running 33x10.5). if you are thinking 35s, then its going to be the 4" kit....Also, maybe the 4" kit if you want to run the more common 33x12.5 size - and with the stronger and tighter turning of the intermediate D30, it may benefit from some traction gains jumping to the wider tire. Stuff like drive shaft lengths and brake lines could need modification to work with the extra lift?
 
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Same Jeep with 31x10.5 & 33x12.5 both on 10" wide rims with 3.5" of backspacing and a 25-year-old sagged out Rancho 4". The 33x12.5 rubbed a lot so I put some 31's on it I had lying around. What actually worked the best all around was when I had a set of 33x10.5's on the factory option 7" wide aluminum slots, which is the last pic.

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The OP says its a 75 cj5 -

If'n it's posted in the early tech section... you gonna get an early CJ5 answer because I swear I read it's a 57. :D
 
Pay attention to your rim back spacing. The first set of white spoke Wagon Wheels I had came with a back spacing of 1 3/4". Years later I bought another set, due to rust, from Cragar, they had a back spacing of 3.5". I returned them and Summit was able to find another set of American Racing rims at 1.75. It's like running with 2 inch spacers
This is the only pic I could find that, Kinda, shows it.
(y)
Dscn0978sm.jpg
 
33x10.5r15 General Grabbers, p/s, 4.88s (I think). 2.5" lift, I think skyjacker. Very versatile, and taller without feeling too tall imo. I'm sure the rears would rub in the wheel wells, but dad doesn't usually wheel that hard. I find that compared to my 68 CJ with 31s and no lift, 33s with 2.5 will do most anything I want without needing more upgrades.


PXL-20240303-182708297.jpg
 
Pay attention to your rim back spacing. The first set of white spoke Wagon Wheels I had came with a back spacing of 1 3/4". Years later I bought another set, due to rust, from Cragar, they had a back spacing of 3.5". I returned them and Summit was able to find another set of American Racing rims at 1.75. It's like running with 2 inch spacers
This is the only pic I could find that, Kinda, shows it.
(y)
Dscn0978sm.jpg
Do you have an intake snorkel to match those exhaust stacks??
 
here’s a BDS 2.5” suspension lift BUT still running factory tire size for a comparison.
Stock 5.5x15” rims with 235 75R15 tires.

Hey Roy,

Am I correct that your 235/75R15 tires are the Toyo M-55’s? If so, do you like them, and did you need to use wheel spacers behind them in order to clear the front springs?

The reason I ask is my much-loved set of Yokohama y742s tires (which, sadly, were discontinued in size 7x15) are going to age out before too long, and I’m starting to look around for what to replace them with when I have to bite that bullet.

Maury
 
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Hey Roy,

Am I correct that your 235/75R15 tires are the Toyo M-55’s? If so, do you like them, and did you need to use wheel spacers behind them in order to clear the front springs?

The reason I ask is my much-loved set of Yokohama y742s tires (which, sadly, were discontinued in size 7x15) are going to age out before too long, and I’m starting to look around for what to replace them with when I have to bite that bullet.

Maury
Hello Maury! :)
Love the Toyo M-55's. Long wearing LT tire with a nice vintage looking tread pattern. Not the softest riding being LT tires though. (I could air down a bit)The 235 75R15's do rub if at full lock, but that could be solved by adjusting the stops (I don't have wheel spacers)
IMG_4557.jpeg
 
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