View Poll Results: what octane gas do you use?

regular

95.00%

mid-grade

super

5.00%

Voters: 20. You may not vote on this poll

Gas?

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Mar 24, 2006 | 07:25 AM

matt_00

Thread Starter

New User

Joined: Mar 2006

Posts: 6

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Gas?

Do you think the octane level effects milage? If so, is it worth the higher price?

Mar 24, 2006 | 07:55 AM

wavinwayne

Senior User

Joined: Oct 2004

Posts: 326

Likes: 0

From: North Alabama

I usually use BP or Chevron, & always 87 octane.

Mar 24, 2006 | 12:25 PM

kanertop

Senior User

Joined: Apr 2003

Posts: 196

Likes: 0

From: Greensboro

Octane rating has no effect on fuel mileage. For a stock motor, use what is recommended- 87 octane. Anything else is a waste of money.

Mar 27, 2006 | 02:59 PM

Track Rat

New User

Joined: Jun 2003

Posts: 10

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At 10.5 - 11.0 miles per gallon, I but the cheapest 87 I can find and the truck likes it. I don't get and spark knock even while towing.

Mar 27, 2006 | 05:40 PM

Onespeed24

Elder User

Joined: Jun 2005

Posts: 575

Likes: 0

From: San Diego

I run 91..... that's because I have the SCT 91 octane tune loaded up

Mar 28, 2006 | 10:12 PM

Freak4Ford

Senior User

Joined: Feb 2005

Posts: 459

Likes: 0

From: st.louis, missouri

Superchips tuner calls for 91 octane or better. The performance is much better on my 1998 XLT.

Mar 28, 2006 | 11:59 PM

MisterCMK

Fleet Owner

Joined: Mar 2003

Posts: 24,724

Likes: 74

From: Blue Hill Township

On a stock truck, there is absolutely no benefit to going with a higher octane fuel.

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Mar 30, 2006 | 10:49 AM

scottspoerry

Senior User

Joined: Jul 2004

Posts: 272

Likes: 1

Mountain States Gas

I agree that 87 octane is just fine for stock engines. But I don't like that high altitude 85 octane regular that they sell in the Rockies. I switch to the 88 octane plus when I am back hom,e in Utah and Idaho.

But here is a question I am curious about. Is there any disadvantage to running the high ethynol stuff they sell in Nebraska. Any harm to the motor on a 99 4.6l??