24th July 2008, 06:11 PM
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#1 (permalink) |
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New Users
Join Date: Aug 2002
Location: West Sussex
Posts: 2,211
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Loss of Octane Rating in Stored Petrol?
Now I know that stored petrol gradually loses octane rating. I also know that most ECU's can cope with a couple of places lower octane rating except in high performance, high demand situations.
My question: Is there a metric applicable to the loss of octane rating by storage vessel (e.g. fuel tank), does the volume of fuel involved reduce or amplify the effect, do environmental conditions contribute? (Etc etc.)
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29th July 2008, 04:17 PM
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#2 (permalink) |
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GTROC Member
Join Date: Mar 2003
Location: Blyth, Northumberland.
Posts: 3,046
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More lightly to be related to the size of the area that is exposed, I would have thought. i.e. in a drip try it will totally evaporate. In your tank it will slowly degrade.
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30th July 2008, 12:04 PM
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#3 (permalink) |
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GTR Register Member
Join Date: Feb 2004
Location: londonish
Posts: 1,383
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depends whats in the fuel i guess.....i thought shell didnt put octane ratings on the pumps because their fuel degrades so badly it does not meet UK requirements
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