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OS "F" type plugs?

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Old 05-01-2010, 07:02 PM
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smoknrv4
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Default OS "F" type plugs?

Are these plugs any good for your engines? I know they are 4 stroke plugs..but I seem to have read in my instructions somewhere for one of my Jett engines that these are one of the plugs you guys recommend. Your thoughts please.
Thanks
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Old 05-02-2010, 08:48 AM
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bob27s
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Default RE: OS

Hi, Thanks for writing,

Yes the F plugs do work quite well in some of the engines. It is a very "hot" plug, which is what you are looking for on the LX engines.

The 90LX in particular likes it, and helps sometimes if your installation tends to cause a rich midrange - cleans up the transition a little bit.
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Old 05-02-2010, 11:11 AM
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Default RE: OS

Thanks Bob, reason I asked is I just picked up a bunch for real cheap.
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