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TDI Fuel Economy Discussions about increasing the fuel economy of your TDI engine. Non TDI related postings will be moved or removed.

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Old July 4th, 2003, 05:09   #1
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Join Date: Nov 2002
Location: Ottawa, Canada
Fuel Economy: avg ~ 5 l per 100 kms
Default Product spec for Ultramar Diesel

Here is a product spec sheet for Ultramar Diesel #2, brewed at their Quebec refinery.

Utramar Diesel #2 pdf

What I found interesting to note was the periods of year during which they alter the cloud point. May - August seems to be good diesel season. Any other time of the year and you are compromising.
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Old July 5th, 2003, 17:24   #2
Derrel H Green
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Join Date: Jun 2002
Location: Murrieta, California
Fuel Economy: Check my Fuelly
Default Product spec for Ultramar Diesel

Only 40 cetane.

Do you use an additive to boost the cetane? confused:

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Old July 8th, 2003, 10:45   #3
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Join Date: Oct 2002
Location: Annapolis, MD
Fuel Economy: 54/50/44 (usually running B100)
Default Product spec for Ultramar Diesel

Only 40 cetane.

Hell, you're lucky to get better than 40 around here. 42 at Texaco.

I use an additive to boost cetane, though... it's called B100!
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