Skylined
Member
Registered: 27th Sep 05
Location: Sideways, Surrey
User status: Offline
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Got a RR sesh tomorrow so am wanting to upgrade to v power for the run.
So tank is in the red atm, if I fill up with v power now will it automatically adjust the fueling/air flow to run better?
I recall hearing that it takes a tank or two for the ecu to realise and if u want to adjust straight away you have to disconnect the battery to reset it all?
Any help appreciated
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AlexW
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Registered: 25th Oct 08
Location: Essex
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Depends on the car/engine. Some cars wont adjust at all.
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Skylined
Member
Registered: 27th Sep 05
Location: Sideways, Surrey
User status: Offline
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Astra mk4 Gsi c20let
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deano87
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Registered: 21st Oct 06
Location: Bedfordshire Drives: Ford Fiesta
User status: Offline
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Probably not worth it tbh. If it did work and you won't use it all the time, it'll just be an unfair reading.
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BarnshaW
Member
Registered: 25th Oct 06
User status: Offline
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how will it be an unfair reading?
just because you dont use that fuel daily? a RR session is to determine the maximum bhp out the car, putting decent petrol in for the run is not an unfair reading
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DAZ1985
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Registered: 3rd Sep 06
Location: Scholar Green, Cheshire
User status: Offline
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It'll only be fractionally better if anything at all anyway
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Skylined
Member
Registered: 27th Sep 05
Location: Sideways, Surrey
User status: Offline
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Well i'm aiming for 200bhp and they're 197bhp standard - so fractionally better is what i need
Any input then?
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daymoon
Premium Member
Registered: 1st Aug 08
Location: Selby, North Yorkshire
User status: Offline
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i am sure Ben G has his RR'ed with normal and super duper premiuim fuel and it made huge difference.
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craig8
Premium Member
Registered: 31st Dec 04
Location: Glasgow
User status: Offline
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i would disagree that the point in putting it on the RR is to get the biggest numbers you can, i would be more concerned about checking the car is running, boosting and fueling ect. correctly
in the vxr there is a deffinite difference on how it drives between regular unleaded and super unleaded, but i wouldnt know how much that is in numbers, it just feels much better
E36 328
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Fro
Member
Registered: 20th Jun 06
Location: Rainham, Essex Drives: A3 2.0TDi Sport
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Supposedly Makes a difference on the 350z engines, but apparently they are mapped on higher RON fuel originally.
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Ben G
Member
Registered: 12th Jan 07
Location: Essex
User status: Offline
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quote: Originally posted by daymoon
i am sure Ben G has his RR'ed with normal and super duper premiuim fuel and it made huge difference.
yep
standard they are 225bhp, 236lb/ft.
with 95 ron my car made 238bhp, 280 lb/ft.
with 99 ron my car made 252bhp, 288 lb/ft.
i have no engine mods, just drove it properly from the first mile.
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