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Flex Fuel Question

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Old Mar 25, 2014 | 08:19 AM
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Default Flex Fuel Question
Are all 07 NNBS 4.8 LY2 flex fuel?
Thanks
Dom
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Old Mar 25, 2014 | 01:40 PM
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IIRC yes 07+ they all are
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Old Mar 25, 2014 | 05:46 PM
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Originally Posted by cam
IIRC yes 07+ they all are
Thanks!
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Old Mar 28, 2014 | 04:01 PM
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...Still not positive,does it have to say flexfuel,this one does not....
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Old Mar 28, 2014 | 06:55 PM
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Is it a GMT900? Or a classic? Look at the fuel tank cap. Should be yellow and says E85 compatible or something like that.
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Old Mar 28, 2014 | 09:34 PM
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Originally Posted by cam
Is it a GMT900? Or a classic? Look at the fuel tank cap. Should be yellow and says E85 compatible or something like that.
yes GMT900,i'll check Thanks
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Old Mar 28, 2014 | 09:57 PM
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My cap is yellow. Thats a quick way to find out.
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Old Mar 30, 2014 | 09:01 AM
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Originally Posted by Blackpanther99
My cap is yellow. Thats a quick way to find out.
Mine is not,not seeing E85 any where...
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Old Mar 30, 2014 | 01:19 PM
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Thats weird.

You should have a yellow cap or at least a darn flex fuel emblem somewhere

Another option is through HP Tuners or EFI Live tuning. A tuner should be able to tell you right away.
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Old Mar 30, 2014 | 01:30 PM
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...i'm getting the impression they are not all E85...
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