Doug
Member
Registered: 8th Oct 03
User status: Offline
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Always use Momentum in mine as you have to, they have a habit of damaging themselves if you dont 
It only works out an extra £2-3 over the normal fuel in a big fill up. Not even worth questioning tbh
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Steve
Premium Member
Registered: 30th Mar 02
Location: Worcestershire Drives: Defender
User status: Offline
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quote:
Originally posted by Tiger
My findings were fairly accurate in terms of I tested over my drive to work (30 miles a day), same route, same weather conditions, same driving style, I tried 3 fuels, supermarket (proved worst by far for fuel economy, worked out more expensive than using 97ron) 95 was my control, then 97RON was where I consistently found far more MPG.
that is miles off from even being fairly accurate
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Ben G
Member
Registered: 12th Jan 07
Location: Essex
User status: Offline
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it's as accurate as you're ever going to get on public roads tbh.
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John
Member
Registered: 30th Jun 03
User status: Offline
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I question anyone who gets extra mpg in a normal n/a car.
A highly tuned one maybe but I've tried both vpower petrol and diesel in various cars and never noticed any difference in mpg or power.
The highest powered car I've had was only 200bhp though so not tested in anything decent.
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alan-g-w
Member
Registered: 9th Nov 07
Location: Glasgow
User status: Offline
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I noticed my corsa XE running a lot more smooth whenever I filled it with BP Ultimate. I was sure I could notice it running a bit more 'flat' on 95 RON but I was never sure whether it was just a sort of placebo effect with me wanting to notice a difference, always thought it made sense though
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BarnshaW
Member
Registered: 25th Oct 06
User status: Offline
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have to use vpower in the scoob as its mapped on it but when i had my st220 there was a noticeable difference using vpower, better throttle response and was defo slightly quicker, enough to warrant the extra cost? defo not
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Fro
Member
Registered: 20th Jun 06
Location: Rainham, Essex Drives: A3 2.0TDi Sport
User status: Offline
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Never noticed a difference in any of my cars.
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Tiger
Member
Registered: 12th Jun 01
Location: Leicestershire Drives:Astra VXR
User status: Offline
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quote:
Originally posted by Steve
quote:
Originally posted by Tiger
My findings were fairly accurate in terms of I tested over my drive to work (30 miles a day), same route, same weather conditions, same driving style, I tried 3 fuels, supermarket (proved worst by far for fuel economy, worked out more expensive than using 97ron) 95 was my control, then 97RON was where I consistently found far more MPG.
that is miles off from even being fairly accurate
If I only used 1 tank of supermarket, one tank of 95 and one tank of 97 maybe yeah, but i'm talking consistent results over 20 odd tanks.
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Sly_SRi
Premium Member
Registered: 9th Apr 04
Location: Reading, UK Drives: Corsa C
User status: Offline
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Which 97Ron were you using?
Corsa C Z20Let
Black Sleeper Turbo Project
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Sam
Moderator
Premium Member
Registered: 24th Dec 99
Location: West Midlands
User status: Offline
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Super unleaded is meant to be good for keeping your injectors clear so I'm told - better than using Redex etc.
[Edited on 16-06-2012 by Sam]
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Tiger
Member
Registered: 12th Jun 01
Location: Leicestershire Drives:Astra VXR
User status: Offline
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BP 97.
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Tiger
Member
Registered: 12th Jun 01
Location: Leicestershire Drives:Astra VXR
User status: Offline
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Supermarket fuel is only cheap because they don't use the cleansing additives which bump the cost up of better quality fuels.
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Kyle T
Premium Member
Registered: 11th Sep 04
Location: Selby, North Yorkshire
User status: Offline
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Mine feels smoother on the 99 stuff, no idea if it's all in my head but whenever I have to put cheap fuel in (not very often) the car always seems a bit rougher at slow speeds.
Lotus Elise 111R
Impreza WRX STi
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