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Old 04-18-2012, 09:12 PM   #11 (permalink)
bandit86
Master EcoModder
 
Join Date: Mar 2010
Location: london, on
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Buggie - '01 Vw Beetle TDI Gls
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Quote:
Originally Posted by Ecky View Post
Diesel has a very low "octane" (RON rating) so you're actually lowering your fuel's resistance to combustion, rather than raising it.

This should not affect mileage though, and if it does, you're in need of a tuneup.
Do your homework before posting

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