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JD B Gas Question

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jeff connors

11-02-1999 16:48:19




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Have a '50 B. Is it recommended to use a lead subsitute in the fuel since unleaded was unheard of in 1950?




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Eric T.

11-04-1999 22:14:07




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 Re: JD B Gas Question in reply to jeff connors, 11-02-1999 16:48:19  
The B's engine was designed to run on about anything short of horse piss as long as it was clean. Our local Phillips 66 distributor who has been in the business for 60 + years supplying farmers told me the best additive they've found is the one they sell for diesel fuel. He said the ones for gas, including lead substitues have compounds (I believe he said sulfer)in them which are somewhat abrasive and lead to greater upper cylinder wear. The diesel additive works just fine in gasoline, provides a little added lubrication, and disperses moisture without the abrasive problem.

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Steve

11-03-1999 08:57:47




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 Re: JD B Gas Question in reply to jeff connors, 11-02-1999 16:48:19  
My 520 gets heavy use and it has had no problems without any additives.



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John Sheehan

11-02-1999 18:01:20




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 Re: JD B Gas Question in reply to jeff connors, 11-02-1999 16:48:19  
I has been my understanding that the lead provided for a level of wear resistance that unleaded fuel doesn't. When the use of unleaded fuel became widespread the manufactures started using stellite (sp) coated valves to protect against the higher heat/wear. It's only supposed to be a problem with heavy use. I don't use it for just puttering around in my LA or cub, but when I was using my Farmal Super M in the fields I used an additive regularly with no problem.

Just my thoughts for what it's worth.

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Nathan

11-02-1999 19:10:51




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 Re: Re: JD B Gas Question in reply to John Sheehan, 11-02-1999 18:01:20  
I use it in my 620. It gets heavy use. But I can't tell if it helps. I haven't had any valve problems yet. Nathan



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Tugboat

11-02-1999 17:52:53




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 Re: JD B Gas Question in reply to jeff connors, 11-02-1999 16:48:19  
The B will never notice the difference. Tugboat



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