Leaded gas?

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May 4, 2009 | 11:40 PM

cjm8806

Thread Starter

Cruiser

Joined: Feb 2009

Posts: 115

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Leaded gas?

can you run leaded gas in HD motors? Example :Sunoco 113 race fuel, its from the pump but it is leaded, safe to run or not?

May 4, 2009 | 11:45 PM

archergodwin

Elite HDF Member

Joined: Sep 2008

Posts: 4,440

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From: Northwest

Leaded fuel may screw with your O2 sensors. But if you don't have the compression that requires that high of octane, why try and use it?

May 4, 2009 | 11:49 PM

cjm8806

Thread Starter

Cruiser

Joined: Feb 2009

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i have/am going to have in 2days 11:1 compression

May 5, 2009 | 12:53 AM

paul s

Outstanding HDF Member

Joined: May 2008

Posts: 2,166

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From: la

PING PING, Good luck, you won't find that fuel on every corner and it kinda limits the cruisin ability. I wouldn't go that high unless I was building a race bike.

May 5, 2009 | 01:34 AM

jimw411

Tourer

Joined: Mar 2006

Posts: 449

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From: Ventura, CA (So Cal)

If your bike is designed to run on 91 then anything above is a waste. Just like why would you put 91 in a stock car that runs fine on 87. Besides all the new fuel injection is adaptive and changing fuel grades and even brands in certain circumstances can cause driveability problems. It's best to run the same octane and brand of gas consistantly to get the best performance and economy.

May 5, 2009 | 04:38 AM

dope_man_21

Ultimate HDF Member

Joined: Nov 2007

Posts: 6,799

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From: Carrollton, Georgia

If it were me I would try to run the high test first, then IF you get the pinging add some octane boost. I would not run leaded gas.

May 5, 2009 | 08:52 AM

man4mopar

Road Master

Joined: May 2006

Posts: 941

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From:

The leaded fuel will conciderably shorten the life of your O2 sensors if your running them. Deppending on the injectors it could clog them too. That and leaded fuel isn't street legal due to emissions