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Tractor Pulling Discussion Forum

fuel

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some one

10-21-2003 13:21:38




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I want to know what pump gas is? You know the racing fuel I run in my tractor comes from a pump is this considered pump gas or not.




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BUDD

10-21-2003 15:34:20




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 Re: fuel in reply to some one, 10-21-2003 13:21:38  
"Pump Gas" as you refer to is racing gas. it is 110 octane or higher. You DO not gane horse power by using racing gas unless your motor has high compression. In fact you can loose HP by running to high of an octane rating in a motor that does not need it. In my opion (and take this for what it is worth, just an opion) you need to run just high enough octane to keep your motor from pinging (spark Plug knock) and no more. Any more and you are just throwing money and HP away. If I am wrong, Please someone correct me.

('';'') BUDD

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someone

10-21-2003 16:23:32




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 Re: Re: fuel in reply to BUDD, 10-21-2003 15:34:20  
well when you have an unstyled A john deere that needs 2 12 volt batteries hooked in series to start it I think 110 octane is not enough and beleive me it pings sometimes. So tell me if racing fuel is a mixture which it is then it aint pump gas right? but it comes from a pump so it is right?



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Bamapuller

10-21-2003 18:42:03




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 Re: Re: Re: fuel in reply to someone, 10-21-2003 16:23:32  
"Pump Gas" normally means whatever is sold at the corner store or gas station. Usually 83, 87, or 93 octan. 110, 112, 116, or 118 racing fuel may be pumped out of a tank, but it's not 'pump gas' as stated in most rules. Sounds like you were protested about your "pump gas". In my '36A 118 still pings at times.



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lynn

10-22-2003 18:26:50




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 Re: Re: Re: Re: fuel in reply to Bamapuller, 10-21-2003 18:42:03  
Bamapuller..how much compression do you run in your a to get some pinging on 118 octane and how do you get the head gasket to hold..lynn



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someone

10-21-2003 20:16:30




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 Re: Re: Re: Re: fuel in reply to Bamapuller, 10-21-2003 18:42:03  
I wasnt protested about anything but I just wanted to know everyone's thoughts on "pump gas". My racing fuel comes from a little corner store and is pumped out of a regular gas pump just like 85 octane or what have you. so there for it is pump gas. I think what they are trying to eliminate is the jack A$$es mixing unstable fuel that can and will explode in the tanks.



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David

10-22-2003 01:10:52




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 Re: Re: Re: Re: Re: fuel in reply to someone, 10-21-2003 20:16:30  
Here is my take on it whether it is right or wrong. Pump gas is what you can LEGALLY put in a car or truck for the road. Racing gas is 99% of the time leaded which is NOT legal for the road hence to term RACING gasoline. Usually the pump for the racing gas is off to the side and locked up. It is illegal for the retailer to sell racing gas that is put into a street vehicle. On a side note, I've seen people disqualified for running legal pump gas because of the ethanol in it didn't meet the specific gravity test!

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