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HP change Distlate VS gasoline?

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Mikey G

08-26-2002 17:32:20




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How much change is there in a all fuel burning gas instead of distilate? Also where is a good sorce for a coil for a Wico typeX mag? Last how big a plow should a G pull? Thanks guys

Mikey G




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G-MAN

08-27-2002 09:57:26




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 Re: HP change Distlate VS gasoline? in reply to Mikey G , 08-26-2002 17:32:20  
I got a new coil for my Wico X mag right here at the dealership.



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Steve - IN

08-27-2002 07:58:17




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 Re: HP change Distlate VS gasoline? in reply to Mikey G , 08-26-2002 17:32:20  
I read that the energy content of petroleum products per unit mass is fairly constant. (This is from Oak Ridge National Labs, link below.) Their density varies, though, so the most bang of BTU's for the gallon is the gooey stuff, No. 2 fuel oil.

Why stop at kerosene? Burn that No. 2.

Seems to me that when you're still using a carb, the devil lies in the details of getting whatever stuff consistently mixed with less dense stuff --air -- then moving it into the chamber without having it fall out of suspension, and once it's there, getting it to burn in a smooth and uniform sort of way. The least dense stuff - gasoline - would seem the best candidate for the job. Otherwise, I'd expect to see some exotic -- like a Ferrari -- burning kerosene -- or sitting besides the fuel oil tank out behind the house to fill up.

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Clooney

08-27-2002 03:54:25




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 Re: HP change Distlate VS gasoline? in reply to Mikey G , 08-26-2002 17:32:20  
Mikey, actually there is a little power loss burning gasoline in an all-fuel engine as there are more BTU's per gallon in kerosene/distillate than gasoline. The difference is so small that you wouldn't notice the difference though.
~The carb metering will be off a little burning gasoline as the carb is designed to meter thicker fuel, most noticeably in the mid range as the idle & load settings can be changed to compensate for high & low. Sometimes an economizer plug change can help the mid range.

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Steve - IN

08-26-2002 23:12:28




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 Re: HP change Distlate VS gasoline? in reply to Mikey G , 08-26-2002 17:32:20  
Mickey,

For the coil you might try Robert's at 712 262 5311 or Mark's Magneto at 860 887 1094. Looks like you're in for 40 to 50 bucks.

Marginal gains in hp from fuel to gas until you match the compression ratio to what it's burning. All fuels have much lower compression ratios than engines built to burn only gas.

Ditto on 3 bottom unless you have real sandy soil. But why work the old guy that hard anyway.

Steve

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Will P

08-26-2002 20:02:31




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 Re: HP change Distlate VS gasoline? in reply to Mikey G , 08-26-2002 17:32:20  
My 43B that was rated at like 17.5 on distilate back in the Nebraska test. With new rings, running 45 over cast iron JD distilate pistons with the distilate manifold and carb put out 21 HP out the PTO, on 87 unleaded gas. And it only had about 5 hours on the motor. Is this what you want to know??

Mag parts??

3-14" for a G would be good.

Will P



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Brandon

08-26-2002 19:28:28




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 Re: HP change Distlate VS gasoline? in reply to Mikey G , 08-26-2002 17:32:20  
If you took a normal low compression kerosene burner, and just started running on gas, I don't think you would see much or any improvement in horses. To take advantage of the gas to get more power, you'd need higher compression pistons.

Brandon



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CLW

08-26-2002 18:02:30




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 Re: HP change Distlate VS gasoline? in reply to Mikey G , 08-26-2002 17:32:20  
Mikey, the All-Fuel 60 was 30.1 drawbar. Gas was 36.9 drawbar. PTO 41.6 Gas and 33.3 All-Fuel. The A was 34.1 and 38 Gas, and 26.2 and 29.6 All-Fuel. Had they made the G in gas it would probably been around 38-40 Drawbar and 44-47 gas. (my guess) Can't help with the mag. Would pull 3 bottom plow. No need to over work a 50 year old tractor.
CLW



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