Best / Recommended Octane

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kglesq

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Regular or Premium Fuel for the 6.2?

Hopefully this is the right location for this post. If not, apologies in advance.

Put simply, does the 6.2 (in a 2011) need premium (91 in California) to make its full power rating or do you get the full monty with regular (87 in California)?

I ask because I have heard various things on the subject. Most prevalent is that either fuel can be used, but the computer backs off the timing a bit if you're using 87, yielding a reduction in power to 401 hp, whereas you get the full 411 when you run 91. Conversely, most reviews I have seen publish the fuel requirement as "regular unleaded."
 

BIRDMAN

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411 HP is on 93 octane. Recommended fuel is 87. IIRC Either way 10hp in a 6000lb isn't gonna do much.
 
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kglesq

kglesq

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Thanks, and I think you're right--I doubt I'll notice 10hp in a 6000lb truck.
 

FSM06

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Agreed, kglesq. If it makes you feel better, run it. Likely an added expense for little gain. JMHO.

FSM
 

Droid

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Given that we're buying the same truck but for the color...I suggest we perform a scientific test. :)
 

LVdezertdawg

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Quit messing around with 91 or 93 and add the only performance mod that counts!!!!
IMG_3345.jpg
 

F150SVT

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Premium is $.20 more expensive here than 87 octane. 20 gallons x $.20 = $4.00 per fill up.

No brainer there....mine gets the good shit!
 
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