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Old 06-12-2019, 08:16 PM
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3 quick JL questions!

What grade of fuel for the 4 cylinder?

Can you run 35's on a JLU Wrangler if it never goes off road?

Would I have to up grade the tire carrier if I run 35's?

Thanks in advance.

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Old 06-12-2019, 08:53 PM   #2
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If it's never going offroad, don't buy a Wrangler.

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Old 06-12-2019, 09:52 PM   #3
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What grade of fuel for the 4 cylinder?
91+ recommended
87+ minimum
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Old 06-13-2019, 05:49 AM   #4
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If it's never going offroad, don't buy a Wrangler.
I did. Is that a problem for you?
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Old 06-13-2019, 06:55 AM   #5
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I put 35s and a 2.5” lift on my new JLUR, it hiways great compared to my 2 door JK. Runs the road better than my 1/2 ton diesel pickup. Gets ride complements from friends and neighbors that had rode in the JK. The 35s fit the tire carrier, but set out too far because of the new wheel backspacing. I made some spacers to make it set on the rubber support bumpers, but it still vibrateed on shutting the tailgate. My tire and wheel weight is 20% over the 85# factory carrier rating, so I upgraded, with plans for the Rocky Mountains.
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Old 06-13-2019, 09:12 AM
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I did. Is that a problem for you?


I don't need 2 off roaders! Thanks for all the input!

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Old 06-13-2019, 09:19 AM   #7
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Anyway....

What grade of fuel for the 4 cylinder? You can run 87 but it will run better on 91.

Can you run 35's on a JLU Wrangler if it never goes off road? On a Rubicon Yes.

Would I have to up grade the tire carrier if I run 35's? Every Jeep is different and so are 35's. My 315/70-17 just fits. Sits on the bumper.

* I used to live in Newboro. Love Niagra Ontario .... Beautiful town. Loved the Butterfly Conservatory.
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Old 06-13-2019, 09:38 AM   #8
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Fuel wise I am a weirdo. I usually fill up at 1/2 a tank " its a sickness I got from the military" But I start with a 91 octane complete fill then every fill up from a 1/2 tank I alternate between 89 and 91. Really as a cost savings measure.
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Old 06-13-2019, 09:49 AM   #9
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Fuel wise I am a weirdo. I usually fill up at 1/2 a tank " its a sickness I got from the military" But I start with a 91 octane complete fill then every fill up from a 1/2 tank I alternate between 89 and 91. Really as a cost savings measure.
I can't quote the specifics BUT I had a gear-head buddy was actually an engineer in the field of natural gas etc before his premature passing anyway....
Chris had conducted his own "study" turned out a Mix of 87 and 91 created a cocktail that produced "sum" results far greater than the individual parts.
Why? Chris knew, I have no idea I just know he was wicked smart, a great guy. Had a Lot of nice cars ... in addition to my friendship he was best friends with racing legend Joe Amato.
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Old 06-13-2019, 10:13 AM   #10
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Disagree

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If it's never going offroad, don't buy a Wrangler.

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I've got to disagree with you Silent. I've got a 2017 JK and have never gone off road. Just the ride, options, snow travel and top down on a spring day make a Jeep worth every penny to me. Matter of fact I just ordered a 2019 JL to enjoy that sky one touch top.
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Old 06-13-2019, 10:22 AM   #11
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Question, I know the manual for the 3.6 engine says 87 octane is fine but do you think It would be advantageous to use the 93 (Shell V power) as far as carbon buildup ? I'd like to keep this new Jeep a long time. Thanks to any replies
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Old 06-13-2019, 10:30 AM   #12
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Question, I know the manual for the 3.6 engine says 87 octane is fine but do you think It would be advantageous to use the 93 (Shell V power) as far as carbon buildup ? I'd like to keep this new Jeep a long time. Thanks to any replies
Additive packages are the key.... Shell, Citco Tri-clean etc. Top Tier gas is all I run.
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Old 06-13-2019, 05:18 PM   #13
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Thanks for the info RubiconSS
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Old 06-14-2019, 06:23 AM   #14
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Question, I know the manual for the 3.6 engine says 87 octane is fine but do you think It would be advantageous to use the 93 (Shell V power) as far as carbon buildup ? I'd like to keep this new Jeep a long time. Thanks to any replies
Stick with 87, Shell is quality gas, but no need to run 93 octane in the 3.6

You mention carbon buildup, which is a known problem with direct injection (2.0), not port injection (3.6)
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Old 06-14-2019, 12:20 PM   #15
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If it's never going offroad, don't buy a Wrangler.

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I don't offroad at all, but I like to take the doors and top off of my "car". Maybe I should just get rid of my Rubicon. Since someone on the internet said I don't need it
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Old 06-14-2019, 07:44 PM   #16
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I don't offroad at all, but I like to take the doors and top off of my "car". Maybe I should just get rid of my Rubicon. Since someone on the internet said I don't need it
Well, you definitely didn't need a Rubicon.

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Old 06-17-2019, 07:32 AM   #17
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Well, you definitely didn't need a Rubicon.

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Need? You don't need one either. Not one person on this planet NEEDS one. I wanted one. I can afford one. I bought one. Ever meet anyone that NEEDED a Ferrari?




Wait, I take that back. I need a Ferrari.

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