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What do the big sled pulling tractors use for fuel?

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Old 08-09-2009, 11:22 PM
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What do the big sled pulling tractors use for fuel?

So I went to the truck/tractor pulls at the county fair the other night and i noticed that the smoke from the big tractors didn't really smell like diesel exhaust. Is this because they inject so much water or are they using something else for fuel?
Old 08-10-2009, 04:11 AM
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Alcohol or Diesel usually.
Old 08-10-2009, 06:44 AM
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Originally Posted by Tedonlin150
Is this because they inject so much water or are they using something else for fuel?
Its' the water. You can see the smoke turn white as they're spooling at the line and hit the water switch.
Old 08-10-2009, 09:33 AM
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It's the cetane additive. Makes it smell different. Best way I could describe it is kind of a sweet smell.
Old 08-10-2009, 03:39 PM
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Yeah it was a sweet smell
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