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Old 03-26-2008, 03:58 PM   #1
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premium gas?? should i use it

should i be using premium in my truck?? and if i get the taylor shorties should i use it then??

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Old 03-26-2008, 05:39 PM   #2
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premium gas?? should i use it

I wouldn't bother with 91+ octane unless there's a blower, turbo, or nitrous under your hood. I believe Dodge recommends 89, but you can get by with 87 every other tank or so!
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Old 03-26-2008, 06:25 PM   #3
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premium gas?? should i use it

Dodge does recommend 89 for the 5.7L Hemi.
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Old 03-26-2008, 06:47 PM   #4
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premium gas?? should i use it

89 is recommended and I personally would use 89 or better. You can get away with 87 but the savings in price wouldn't equal the lost milage.
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Old 03-26-2008, 09:12 PM   #5
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premium gas?? should i use it

If he uses a Superchips he will require 91 or better for the performance and towing tune.
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Old 03-27-2008, 04:16 PM   #6
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premium gas?? should i use it

thanks guys for your input
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Old 04-24-2008, 04:02 PM   #7
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premium gas?? should i use it

Anyone mixing 87 and 93 to approximate 90 or 91? The local Costco here sells 93 cheaper than everyone else's 89. I've been mixing the 87 and the 93 roughly half and half. I read a post elsewhere saying it didn't work that way. All gasoline is blended anyway, so I don't see why that wouldn't work.
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Old 04-24-2008, 05:51 PM   #8
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premium gas?? should i use it

Im running 89 and superchips performance tune and it runs better than 91..why I have no idea .. must be our good Canadian gas
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Old 04-24-2008, 06:32 PM   #9
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premium gas?? should i use it

run the 89. Better gas mileage than 87 and i do not get throtle lag.
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Old 04-24-2008, 06:38 PM   #10
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premium gas?? should i use it

Quote:
quote:Im running 89 and superchips performance tune and it runs better than 91..why I have no idea .. must be our good Canadian gas
i did that for some time and mine was running great also but when the gas went up to 3 bucks i changed to 87 tune and gas also, i might try that again soon just to see the difference
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