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 > Gen octane recommend

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sin cal hd

Hooligan #109

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Posted: 02/26/21 11:58am Link  |  Quote  |  Print  |  Notify Moderator

Curious if anyone has put different octanes in their tanks? I've usually ran 87 but I've put 89 in too. But I'm not sure if that's maybe what's caused my gen to run hot and possibly overheat and shut down.

Anyone have experienced issues running a different grade?


2015 2500 Ram Mega Cab 4x4
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dedmiston

The West

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Posted: 02/26/21 01:02pm Link  |  Quote  |  Print  |  Notify Moderator

I run exclusively 89 in ours, because our bikes and SxS require 89 and I don't want to deal with two grades of fuel.

No problems with ours.


2014 RAM 3500 Diesel 4x4 Dually long bed. AISIN trans & 4.10 rear. B&W RVK3600 hitch • 2015 Crossroads Elevation Homestead Toy Hauler ("The Taj Mahauler") • Hooligan #3

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sin cal hd

Hooligan #109

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Posted: 02/26/21 02:15pm Link  |  Quote  |  Print  |  Notify Moderator

dedmiston wrote:

I run exclusively 89 in ours, because our bikes and SxS require 89 and I don't want to deal with two grades of fuel.

No problems with ours.


That's what I do as well. It just crossed my mind that maybe the higher octane was causing issues

dieseltruckdriver

Black Hills of SD

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Posted: 02/26/21 04:19pm Link  |  Quote  |  Print  |  Notify Moderator

I only use 91 ethanol free in both of mine, and have never had a problem.


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dedmiston

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Posted: 02/26/21 04:23pm Link  |  Quote  |  Print  |  Notify Moderator

sin cal hd wrote:

dedmiston wrote:

I run exclusively 89 in ours, because our bikes and SxS require 89 and I don't want to deal with two grades of fuel.

No problems with ours.


That's what I do as well. It just crossed my mind that maybe the higher octane was causing issues


I meant to say 91. I drive a diesel, so the choices at the gas pump are foreign to me. [emoticon]

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arhayes

Texas

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Posted: 02/26/21 05:51pm Link  |  Quote  |  Print  |  Notify Moderator

I run 87 octane non ethanol as recommended. I do add SeaFoam regularly and Stabil when I fill up in colder temps. Worked well for 7 years and starts and runs well every time.


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MFL

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Posted: 02/27/21 07:08am Link  |  Quote  |  Print  |  Notify Moderator

dieseltruckdriver wrote:

I only use 91 ethanol free in both of mine, and have never had a problem.


This is the best choice, if available!

Adding ethanol, will cause a more lean condition, and can cause more heat, under load. The OP may have used a higher octane 89 fuel, that contained more ethanol, and caused over heating, of his small gen engine, while under max load?

Jerry





deltabravo

Spokane, WA

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Posted: 02/27/21 07:27am Link  |  Quote  |  Print  |  Notify Moderator

Ethanol free only in my generators and all power equipment and motorcycles, which is Premium (91 octane)


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jdc1

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Posted: 02/27/21 08:21am Link  |  Quote  |  Print  |  Notify Moderator

My Honda 2000 uses 87 octane. Started (before I sold it to upgrade) on first or second pull for 20 years. Why waste money on premium fuel?

lamopar

Oregon

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Posted: 02/27/21 08:42am Link  |  Quote  |  Print  |  Notify Moderator

We run 91 ethanol free and learned this from our previous toy hauler after destroying the carb with regular ethanol fuel. Our new toy hauler only has one fuel tank so we fill our ATVs and run the gen on the same fuel. No problems with our on board Onan nor the portable Honda.

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