2015 budget lift and 285's

jeeeep

Hooked
My daughter has caught the Jeep aesthetics bug and has asked if I would put the wheel/tire combo I removed from my 2010 - 315/70/17 on the 2015.

It's a 2015 Sport completely stock that will never see the dirt.

I don't want to put the 315's on because of the additional mods that would be required so i'm leaning towards a 1.75" spacer budget boost with 285's to keep all other components in their stock configuration.

Are there any other suspension changes I should be aware of?

I'm thinking 285's and a budget boost will not affect caster nor the drive shafts enough to be of concern for a street only Jeep.

I know I'll need to program for the 285's and have that covered.

Thanks all
 

Strodinator

Caught the Bug
My daughter has caught the Jeep aesthetics bug and has asked if I would put the wheel/tire combo I removed from my 2010 - 315/70/17 on the 2015.

It's a 2015 Sport completely stock that will never see the dirt.

I don't want to put the 315's on because of the additional mods that would be required so i'm leaning towards a 1.75" spacer budget boost with 285's to keep all other components in their stock configuration.

Are there any other suspension changes I should be aware of?

I'm thinking 285's and a budget boost will not affect caster nor the drive shafts enough to be of concern for a street only Jeep.

I know I'll need to program for the 285's and have that covered.

Thanks all
You shouldn't have to adjust anything except maybe longer shocks. Everything else shouldn't be affected.

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WJCO

Meme King
My wife's Jeep is running the Evo leveling kit which is slightly taller in the front (than a budget boost) with 285s. Nothing else was needed. We did trim fenders though.
 

jeeeep

Hooked
If your not getting off-road, I see no reason for longer shocks.

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That's what I was thinking since it's going to be street only.

My wife's Jeep is running the Evo leveling kit which is slightly taller in the front (than a budget boost) with 285s. Nothing else was needed. We did trim fenders though.

good to know, I thought those tires were much taller :thumb:
 

sparkie2413

New member
We’re running 285/70R17 on stock wheels at 30psi. ‘17 JKU Rubicon. No wheel spacers, just needed (3) 3/8” flat washers on each front steer stop to avoid very minimal rubbing at full wheel lock. The Speedo was off a few mph.


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MrEmmDubya

New member
I have 285 Good Year Duratracs. It changed my Speedo by about 2mph and the shift points changed bit. I did use a programmer and the Speedo is accurate and the Jeep shifts like I expect it to now.
 

Houndy95

Member
I am running 285's on a EVO leveling kit, stock wheels and some spacers. The spacers are not needed, I didn't have any rubbing but choose to add them to give me a little wider stance. Nothing else done other than changing tire size with my procal.
Photo Jan 26, 3 29 11 PM.jpg
 

jeeeep

Hooked
I have 285 Good Year Duratracs. It changed my Speedo by about 2mph and the shift points changed bit. I did use a programmer and the Speedo is accurate and the Jeep shifts like I expect it to now.

Looks like the consensus is that it will require a tuner :thumb:

If all you need is to program tire size watch cl for a Procal. They are $170 new but I just got a new unopened one for $100.

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Luckily I already have a flashcal. I was going to replace my older flashpaq but never got around to it - karma :yup:

I am running 285's on a EVO leveling kit, stock wheels and some spacers. The spacers are not needed, I didn't have any rubbing but choose to add them to give me a little wider stance. Nothing else done other than changing tire size with my procal.
View attachment 292481

Your Jeep looks good.

The wheels I plan to use have 3.5" back space so hoping there's no rubbing.
 

JKbrick

Active Member
Looks like the consensus is that it will require a tuner :thumb:



Luckily I already have a flashcal. I was going to replace my older flashpaq but never got around to it - karma :yup:



Your Jeep looks good.

The wheels I plan to use have 3.5" back space so hoping there's no rubbing.

Here is Brick, 285s and 3.5” backspacing
IMG_0437.JPG
I’m sure you’ve seen it before


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Clutch

Caught the Bug
The wheels I plan to use have 3.5" back space so hoping there's no rubbing.[/QUOTE]

You will definitely not have rubbing with 3.5” backspacing.


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BaddestCross

Active Member
Sorry, didn't want to be a downer. 🤣

As said by another, a Procal would be a cheap fix if the other features of something like a Flashpaq aren't going to be required/desired for someone on the trail.

If you've got a spare Flashcal, that's perfect. 👍

--
Build Thread - Adventures of Fiona - https://wayalife.com/showthread.php?t=47407
 

jeeeep

Hooked
Sorry, didn't want to be a downer. ��

As said by another, a Procal would be a cheap fix if the other features of something like a Flashpaq aren't going to be required/desired for someone on the trail.

If you've got a spare Flashcal, that's perfect. ��

--
Build Thread - Adventures of Fiona - https://wayalife.com/showthread.php?t=47407

I agree the FlashCal is overkill and the Procal would be all that's needed but since I already have a FlashCal that's been sitting on the shelf, I may as well put it to use.
 
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