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Old 03-27-2013, 03:37 PM
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for '14 does eother engine require Premium fuel?

I thought I read somewhere that the 5.7 requires midgrade...not sure if this is true. Also, what about the 6? Thanks.

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Old 03-27-2013, 03:44 PM
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Re: for '14 does eother engine require Premium fuel?

No, it will take 87 and so will the V6. You can look at the owners manual that you can download from Jeep
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Old 03-27-2013, 03:46 PM
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Re: for '14 does eother engine require Premium fuel?

Thanks
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Old 03-28-2013, 12:21 AM
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Re: for '14 does eother engine require Premium fuel?

They recommend 89 in the 5.7, but it's acceptable to put 87 in there. The V6 just requires 87.
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Old 03-28-2013, 02:04 PM
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Re: for '14 does eother engine require Premium fuel?

And for the record, the Hemi runs just great on 87...I've only put 89 in mine once and that was "by mistake" when I was traveling and grabbed the wrong nozzle. (Hadn't had my morning latté yet...)
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Old 03-28-2013, 02:12 PM
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Re: for '14 does eother engine require Premium fuel?

Yep, dealer put 87 in mine when they delivered it. I just filled up with 89 and don't really notice any power or performance difference. I'm sure there is, but like others mentioned, they computer will handle the difference and make it almost completely blind to the driver.
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Old 03-28-2013, 04:47 PM
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Re: for '14 does eother engine require Premium fuel?

Quote:
Originally Posted by Specx View Post
Yep, dealer put 87 in mine when they delivered it. I just filled up with 89 and don't really notice any power or performance difference. I'm sure there is, but like others mentioned, they computer will handle the difference and make it almost completely blind to the driver.
I take it gas mileage is unaffected either way for the V8?
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