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Author V-power and other high RON fuels
Robin
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Registered: 7th Jan 04
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14th Sep 06 at 13:24   View Garage View User's Profile U2U Member Reply With Quote
you only get good gains if you adjust the timing.

Performance ford tested 4 different fuels, and optimax allowed for more advance on the timing, which meant it made something like 37bhp over 95 ron. (that was on a 500 odd bhp cosworth engine though)

but, on a normal map, it wont do anything but cost you 5 p a litre more. (on most cars, like a corsa)

[Edited on 14-09-2006 by robmarriott]
Wrighty
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14th Sep 06 at 13:24   View User's Profile U2U Member Reply With Quote
corsa was a lot smoother with optimax fuel in. imo does make a difference
Cybermonkey
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Location: Sydney, Australia
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14th Sep 06 at 13:24   View User's Profile U2U Member Reply With Quote
not true Rob!!
Robin
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14th Sep 06 at 13:25   View Garage View User's Profile U2U Member Reply With Quote
it is in principle Dave, depends on how the ECU works though
Steve
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Registered: 30th Mar 02
Location: Worcestershire Drives: Defender
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14th Sep 06 at 13:25   View Garage View User's Profile U2U Member Reply With Quote
on a std car its all in the head, about improved performance etc
Marc
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14th Sep 06 at 13:27   View User's Profile U2U Member Reply With Quote
All cars with a knock sensor will see an improvement.
Cybermonkey
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14th Sep 06 at 13:28   View User's Profile U2U Member Reply With Quote
quote:
Originally posted by Steve
on a std car its all in the head, about improved performance etc


then why are there factory-stated differences in power and torque stated in the owners manual for my barina?
Steve
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14th Sep 06 at 13:29   View Garage View User's Profile U2U Member Reply With Quote
there may be a few minor differences in figures, but none that youd actually feel
Robin
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14th Sep 06 at 13:31   View Garage View User's Profile U2U Member Reply With Quote
quote:
Originally posted by Marc
All cars with a knock sensor will see an improvement.


wether or not it'd be noticeable on your common or garden X14XE is a different matter though.

Its only worth it on a car with a turbo, or a highly strung NA engine, or an engine with an ECU from a car mapped whilst running Super ( )
Marc
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14th Sep 06 at 13:31   View User's Profile U2U Member Reply With Quote
I'd say 13bhp was a substantial differance Stcheven.
Cybermonkey
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14th Sep 06 at 13:31   View User's Profile U2U Member Reply With Quote
but you just said it was a placebo affect? which is a noticed difference "in the brain"?
Marc
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14th Sep 06 at 13:31   View User's Profile U2U Member Reply With Quote
quote:
Originally posted by robmarriott
Its only worth it on a car with a turbo, or a highly strung NA engine, or an engine with an ECU from a car mapped whilst running Super ( )


Yeah, I agree.
Steve
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14th Sep 06 at 13:35   View Garage View User's Profile U2U Member Reply With Quote
quote:
Originally posted by Marc
I'd say 13bhp was a substantial differance Stcheven.


a normal unmodified car will not get 13bhp marc
Cybermonkey
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14th Sep 06 at 13:36   View User's Profile U2U Member Reply With Quote
mine manages 7bhp on a standard 1800
Edd
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14th Sep 06 at 13:39   View User's Profile U2U Member Reply With Quote
quote:
Originally posted by Dean_W

As far as power, i doubt it. Sainsburys 99 RON does the same and it's a damn sight cheaper.



sainsbury's dont do a 99 ron, they do a 97 i know because i use it
Steve
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14th Sep 06 at 13:40   View Garage View User's Profile U2U Member Reply With Quote
7bhp is almost half of 13 david, and yours is considered a performance orientated engine, the likes of punto 1.2s and corsa 1.4s will get 1 bhp if they are lucky, and cars without knock sensors wont get nothing apart from a kick in the wallet
Marc
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14th Sep 06 at 13:40   View User's Profile U2U Member Reply With Quote
quote:
Originally posted by Steve
quote:
Originally posted by Marc
I'd say 13bhp was a substantial differance Stcheven.


a normal unmodified car will not get 13bhp marc


Prodrive Imprezas Stcheven
Cybermonkey
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14th Sep 06 at 13:41   View User's Profile U2U Member Reply With Quote
my engine is found in vectras and zafiras
Steve
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14th Sep 06 at 13:41   View Garage View User's Profile U2U Member Reply With Quote
yes prodrive imprezas, not ordinary run of the mill cars
Robin
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14th Sep 06 at 13:42   View Garage View User's Profile U2U Member Reply With Quote
quote:
Originally posted by Edd
quote:
Originally posted by Dean_W

As far as power, i doubt it. Sainsburys 99 RON does the same and it's a damn sight cheaper.



sainsbury's dont do a 99 ron, they do a 97 i know because i use it


also, Tesco 99 got slated by PF, it came 4th out of 4, was beaten by 97 RON esso super, optimax, and bp ultimate (which kills engines)
Cybermonkey
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14th Sep 06 at 13:42   View User's Profile U2U Member Reply With Quote
BP Ultimate. i wouldnt even drink it myself
Dean_W
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14th Sep 06 at 13:43   View User's Profile U2U Member Reply With Quote
quote:
Originally posted by Edd
quote:
Originally posted by Dean_W

As far as power, i doubt it. Sainsburys 99 RON does the same and it's a damn sight cheaper.



sainsbury's dont do a 99 ron, they do a 97 i know because i use it


97 then.
Steve
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14th Sep 06 at 13:44   View Garage View User's Profile U2U Member Reply With Quote
quote:
Originally posted by robmarriott
quote:
Originally posted by Edd
quote:
Originally posted by Dean_W

As far as power, i doubt it. Sainsburys 99 RON does the same and it's a damn sight cheaper.



sainsbury's dont do a 99 ron, they do a 97 i know because i use it


also, Tesco 99 got slated by PF, it came 4th out of 4, was beaten by 97 RON esso super, optimax, and bp ultimate (which kills engines)


why does it kill engines? i use it a lot due to the lack of shell garages in my area
Marc
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14th Sep 06 at 13:44   View User's Profile U2U Member Reply With Quote
Sorry I expected you to read between the lines
Robin
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14th Sep 06 at 13:45   View Garage View User's Profile U2U Member Reply With Quote
well, it killed brosters 138bhp engine, and about 30 other cars on the forcourt that day.

(it was just a bad tanker of fuel, but i dont use BP now, just incase)

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