Robbo
Member
Registered: 6th Aug 02
Location: London
User status: Offline
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I may be having an interview with DaimlerChrysler in MK Nath 
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Sam
Moderator
Premium Member
Registered: 24th Dec 99
Location: West Midlands
User status: Offline
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quote:
Originally posted by Steve
how the fuck have you proven it  its impossible to prove it, are you saying you have compared the same journey, travelling at exactly the same speed, and stopping in exactly the same places?
I only really use my car for going to and from work, have to walk/get lifts/taxis/public transport for going anywhere else like on weekends or whatever as it's a mission trying to find somewhere to park in this area.
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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 Robbo
I have proved the fuel consumption as well... trip computer in VAG cars Schteven 
yes but to prove it you need to replicate the driving style exactly on both journeys and this is impossible
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Dom
Member
Registered: 13th Sep 03
User status: Offline
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quote:
Originally posted by Nath
quote:
Originally posted by Russ
bp has a new 1 available at 5 places i think, its 2.40 a litre! but over 100ron (not sure which as my evo mag is a gf's) and power output in a carrera s was up 14%! :O but for 2.40 a litre i'd want that
5 stations in the UK sell it, and 2 are in Milton Keynes 
aye, saw that in the BP near the A421....its bloody expensive though and im sure using some ocatane boost would do just the same and be cheaper 
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Nath
Member
Registered: 3rd Apr 02
Location: MK
User status: Offline
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quote:
Originally posted by Robbo
I may be having an interview with DaimlerChrysler in MK Nath
Ooh, thats about 5 mins from where I live. Nice building that, just got a new lobby built and its full of fancy cars.
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Robbo
Member
Registered: 6th Aug 02
Location: London
User status: Offline
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quote:
Originally posted by Steve
quote:
Originally posted by Robbo
I have proved the fuel consumption as well... trip computer in VAG cars Schteven
yes but to prove it you need to replicate the driving style exactly on both journeys and this is impossible
I do... I drive same places and same drivng style all the time and the diff once you have filled up is 100 miles in range... clear proof!
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Robbo
Member
Registered: 6th Aug 02
Location: London
User status: Offline
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quote:
Originally posted by Nath
quote:
Originally posted by Robbo
I may be having an interview with DaimlerChrysler in MK Nath
Ooh, thats about 5 mins from where I live. Nice building that, just got a new lobby built and its full of fancy cars.
Aye some distance form here tho... my CV was sent to Aston Martin and ProDrive yesterday as well 
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Marc
Member
Registered: 11th Aug 02
Location: York
User status: Offline
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quote:
Originally posted by Steve
yes but to prove it you need to replicate the driving style exactly on both journeys and this is impossible
Yeah, but you can get an average. If you wait till the tank is half full then record the miles over a month or so you will be able to work out an average fuel consumption. Agreed it isn't totally accurate but you will be able to see a differance if mpg from differant fuels.
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Cybermonkey
Member
Registered: 22nd Sep 02
Location: Sydney, Australia
User status: Offline
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i have to use it too, my aussie spec Z18XE has 2 specific maps for using 91/95RON and for 98RON. i tried Optimax Extreme 101RON and it didnt like it at all. the old Camry loved the stuff though, i got 1000km's to a single tank on 101RON wen trudging up to Brisbane
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Cybermonkey
Member
Registered: 22nd Sep 02
Location: Sydney, Australia
User status: Offline
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oh and on the way back i threw in a tank of 91RON and i barely managed 800km's on the same road and driving style
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Marc
Member
Registered: 11th Aug 02
Location: York
User status: Offline
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So you run it on the 98?
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Cybermonkey
Member
Registered: 22nd Sep 02
Location: Sydney, Australia
User status: Offline
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yeah, much much smoother. 92kW on 98RON and 88kW on anything less
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Dave A
USER UNDER INVESTIGATION - DO NOT TRADE
Registered: 10th Dec 03
Location: County Durham
User status: Offline
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unless the engine is designed to run on a higher ron fuel then theres no point using it!
my car runs fine on optimax but if I use supermarket petrol its a bit dodgy, get a missfire at 2k rpm and it doesnt idle smoothly.
Ron ratings are not an instant way of gaining power as to make the most of a higher ron fuel the ignition timing must be adjusted to suit.
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Cybermonkey
Member
Registered: 22nd Sep 02
Location: Sydney, Australia
User status: Offline
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Dave, the Z18XE runs considerably less power and torque on anything less than 98RON
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Dave A
USER UNDER INVESTIGATION - DO NOT TRADE
Registered: 10th Dec 03
Location: County Durham
User status: Offline
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my z18xe corsa Sri runs fine on supermarket petrol. its not fast to begin with so dont see the point trying to get more power out of it, its not going to make ant real difference.
If I could use cheap petrol in te gsi I would.
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Cybermonkey
Member
Registered: 22nd Sep 02
Location: Sydney, Australia
User status: Offline
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much better fuel economy
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Dave A
USER UNDER INVESTIGATION - DO NOT TRADE
Registered: 10th Dec 03
Location: County Durham
User status: Offline
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more expensive to buy though.
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mav
Member
Registered: 19th Jun 01
Location: Scotland
User status: Offline
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quote:
Originally posted by Steve
quote:
Originally posted by mav
I filled up with V power yesterday too. No noticeable difference over optimax though.
And I HAVE to use it to as my car has to run on 98+ RON fuel.
why? whats been changed on yours over a normal t4?
nothing
Standard T4 MUST run on 98+ ron fuel as instructed by volvo.... Even got a big sticker inside petrol cap saying 98 RON FUEL ONLY....
could use normal unleaded but it is not recommended.
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Marc
Member
Registered: 11th Aug 02
Location: York
User status: Offline
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Must run on 98 to get the 200bhp Mav.
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PaulW
Member
Registered: 26th Jan 03
Location: Atherton, Greater Manchester
User status: Offline
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quote:
Originally posted by Dave A
unless the engine is designed to run on a higher ron fuel then theres no point using it!
...
Ron ratings are not an instant way of gaining power as to make the most of a higher ron fuel the ignition timing must be adjusted to suit.
exactly
Higher RON raiting does not equate to higher BHP Max-power-stylee increases, it just determines how much energy is needed to combust the fuel, so a higher RON rating, the more energy is needed from the spark to make it combust.
Reason for it being advised to be used on turbo'd or highly-tuned N/A engines is because it helps to prevent pinking and knocking, as the higher temperatures which these engines run wont ignite the fuel as soon as a lower octane rated petrol.
Also you will only see 'marginal' power increases if the car is designed to run the fuel your using, and the same goes for fuel economy too...
Put it in a 2ltr Turbo car, which requires higher octane fuel and is mapped specifically = pos. marginal gains & better economy/reliability (less pinking and such)
put it in a standard 1.4i LS Corsa (even if you have an induction kit & exhaust) it wont do crap, you wont get any better mileage, no extra power, the only thing you will get is slightly cleaner pistons/bored/valves etc, due to the extra cleaning additives...
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Dave A
USER UNDER INVESTIGATION - DO NOT TRADE
Registered: 10th Dec 03
Location: County Durham
User status: Offline
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and a lighter wallet
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Marc
Member
Registered: 11th Aug 02
Location: York
User status: Offline
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and a hot plate.
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PaulW
Member
Registered: 26th Jan 03
Location: Atherton, Greater Manchester
User status: Offline
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yes, especially at what... 7p per litre (average) increase in price??
I'm running regular unleaded in the Omega, it doesnt need the v-power stuff, plus the fact you dont get a staff discount while working at shell is a pisser too
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SVM 286
Member
Registered: 13th Feb 05
Location: pain
User status: Offline
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The question should not be ''should I put higher octane fuel in my car?'' It should be, ''do I want to compromise and put cheap, low octane fuel in my car?''
Especially as it is a false economy to purchase inferior fuel, in the long run.
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Cybermonkey
Member
Registered: 22nd Sep 02
Location: Sydney, Australia
User status: Offline
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well said Jim, i would never think about filling up at those single-site dodgy looking fuel stations unless it was an absolute necessity. Optimax is about 2pence more expensive per litre out here so its not skin off my nose thats for sure.
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