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#1 and #2 fuel differences???

Old 11-04-2008, 11:51 AM
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#1 and #2 fuel differences???

What is the difference between #1 and #2 diesel at pumps besides price???
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Old 11-04-2008, 04:48 PM
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Originally Posted by robert78.5 View Post
What is the difference between #1 and #2 diesel at pumps besides price???
someone please correct me if i'm wrong...but #1 fuel is for the colder climates...it has some anti-gell stuff in it...some stations sell the #2 in the spring, summer and into the fall. then switch over to the #1 in the winter and into the start of spring.
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Old 11-04-2008, 05:08 PM
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Reading this might clear some things up for 'ya a little...

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Old 11-05-2008, 10:03 AM
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Diesel #1 is slightly 'lighter' (less dense) than diesel #2. It's primary benefit is that is has a cloud point of about -40F, so it is better for cold climates. Cost more and gives slightly less MPG. Use just enough to prevent gelling.

It's commonly called Kerosene.
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Old 11-05-2008, 10:34 AM
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No real reason to use #1 unless you're in an arctic climate. #1 has less btus which result in lower mpgs and power.
Straight #2 with antigel additive will offer close to the same amount of protection. Most stations in the lower 48 don't even offer a a 1/2 blend since additive is so much cheaper and easier.
Lots of info about fuel here http://dodgeram.org/tech/dsl/FAQ/diesel_fuel.htm
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