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      02-04-2010, 12:31 PM   #23
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Originally Posted by milesr3 View Post
Shell don't make any claims about it doing anything other than keeping your engine clean, but BP do make claims about their Ultimate diesel producing more power (up to 8% IIRC).
Hmm, i quote from the Shell website tag line: "Designed for more power for longer"

Super UL has been proved over and over (I only ever used it in my Scooby), and its great to see it works so well in the 35i, but Diesel seems to be suspiciously absent of this proof

Will have a looky at BP though....
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