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Here comes the damp towel on the petrol discussion.
Does the UK measure octane the same way as the US?
Why do I ask? Because what you see on a US pump is an average of the RON and MON numbers.
For those who don't know, RON is the Research Octane Number and MON is the Motor Octane Number.
Two different ways to measure octane.
Give the same fuel, one is usually higher than the other.
So, we might actually have more similar fuels than you think.
Comparing these numbers may not be an apples to apples comparison.
HTH ( well, really I hope it muddies the waters to provoke thought! )
TB
Tony Boner Personal: 98cdw27@charter.net Work: tony.boner@sun.com Saving the computer world from WinBloze as Unix/Solaris/Java Guru http://www.sun.com 1998 Contour SVT Pre-E1 618/6535 Born On Date: 4/30/1997 Now with Aussie Bar induced mild oversteer.
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tony, you've just thrown a complete spanner in the works!!!!
********************* WEBMASTER OF: www.fordmondeo.org ********************* Car I own: lightly modded mondeo ********************* Mondeo, Daddy of the Contour!
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Originally posted by monkeyra:
tony, you've just thrown a complete spanner in the works!!!! I think this is a proper translation for those of us on the US side of the pond. "Tony, you've thrown a BIG monkey wrench into the machine!" Cheers, TB
Tony Boner Personal: 98cdw27@charter.net Work: tony.boner@sun.com Saving the computer world from WinBloze as Unix/Solaris/Java Guru http://www.sun.com 1998 Contour SVT Pre-E1 618/6535 Born On Date: 4/30/1997 Now with Aussie Bar induced mild oversteer.
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Originally posted by tboner:
I think this is a proper translation for those of us on the US side of the pond.
"Tony, you've thrown a BIG monkey wrench into the machine!"
Cheers,
TB lmao!!!! I like it!!!
********************* WEBMASTER OF: www.fordmondeo.org ********************* Car I own: lightly modded mondeo ********************* Mondeo, Daddy of the Contour!
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The US uses PON, which is the average of RON and MON. On average its about 4 below the same Europe rating and is considered to be more accurate a measure for todays cars. The European RON test is carried out at lower revs. So our 8=95 RON is about equivalent to 91-92 US PON. Modern Engine Tuning by A.G.Bell gives a good explanation and is a very good book on REAL engine tuning. Here is a look up table RON (Europe) PON (US) 90 86.5 92 88.5 95 91 96 92 98 94 100 95.8 105 100 110 104.5 I'm stuck in Paris again with work this week so I might do a page on the different fuel measuring systems for my web site. So it looks like your US gas is nearly the same as our petrol. Must be the US cars that suck then!!! 
Mad Mole Visit Mad Moles Mondeo Madness 2L Zetec, Cams, Stage 2 head, Valve work, Powerflow, Unichip, AEM Ram, K&N, Ecotek, 75mm Lower etc. 192 BHP, Faster than a speeding Duratec!
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Can't we all just get along?
Nick
2000 Malibu LS
Mods: K&N, Jet-PCM
Lowered with Eibach's and on 18's,Clear Sidemarkers,Tinted all around, badgeless
Retired Vehicles: 98 Contour
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Originally posted by Saturn_k1:
[b] Can't we all just get along? [/b] But what would be the fun in that? Arguments is what makes life fun!! 
********************* WEBMASTER OF: www.fordmondeo.org ********************* Car I own: lightly modded mondeo ********************* Mondeo, Daddy of the Contour!
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True... good arguements stir the blood a little.. make you feel alive..lol Anyhow.. If I could only get my hands on a Mondeo PCM for a 2.5l (late model)MTX.. would I be happy!!! Hey Monk, are there any wrecked late model Mondy's over there for parts?? I would be interested in somehing like that if you could help???
Dom
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sure thing cardoc. If you pay a visit to www.mondeopart.co.uk and say that the mondeo enthusiasts group sent you there, i'm sure he'd be able to help you! He has TONS of stuff!!
********************* WEBMASTER OF: www.fordmondeo.org ********************* Car I own: lightly modded mondeo ********************* Mondeo, Daddy of the Contour!
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Thanks Monk, I'll take a look into that next week and see what I can find. 5stars for the help guy! Dom 
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