2015 budget lift and 285's

jeeeep

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
 
jeeeep said:
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
Click to expand...
You shouldn't have to adjust anything except maybe longer shocks. Everything else shouldn't be affected.

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

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Click to expand...

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

WJCO said:
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.
Click to expand...

good to know, I thought those tires were much taller :thumb:
 
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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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.
 
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
 
MrEmmDubya said:
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.
Click to expand...

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

JKbrick said:
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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Click to expand...

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

Houndy95 said:
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
Click to expand...

Your Jeep looks good.

The wheels I plan to use have 3.5" back space so hoping there's no rubbing.
 
jeeeep said:
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.
Click to expand...

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


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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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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
 
BaddestCross said:
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
Click to expand...

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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