big eck
Member
Registered: 20th Apr 03
Location: Tullibody. Drives - Audi B8 S4 & Fiesta Zetec-S
User status: Offline
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I've read a few posts now and seen that people are using the stuff more often, does it make a noticable difference????
I've also heard that its BAD for your engine???
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TRL
Member
Registered: 24th Mar 01
Location: planet tharg
User status: Offline
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Been using it on my Golf turbo and 1.4 sport Corsa since Optimax was launched. Loads of miles and no problems.
Better response, more economical etc etc.
Tony
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leeshez
Member
Registered: 3rd May 01
Location: Great Harwood, Lancashire
User status: Offline
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It does make a difference 
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iceman
Member
Registered: 22nd Jul 00
Location: Berkshire
User status: Offline
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I wud say on a Turbo car coz it burns hotter yes it wud make a difference but with a N/a or standard car i wouldnt bother wasting your cash
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broster
Premium Member
Registered: 6th Dec 02
Location: Drives: E39
User status: Offline
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i use it on my corsa, i get an extra 10-15miles per tank from it, more if i drive harder, conpared to normal unleaded, also the car pinks a little on normal unleaded but not on optimax, throttle responce is a tiny bit better to!
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Joff
Member
Registered: 17th Oct 00
Location: Cambridgeshire
User status: Offline
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I've been watching the mpg for about a month and I'm slowly getting more and more miles out of a full tank with Optimax and Ultimate than I ever did with normal unleaded.
I try to stick to Optimax, but when I get low in Northampton, there's no Shell near me  so I have to go for BP.
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James R
Member
Registered: 4th Feb 03
Location: 205GTi16/306GTi16
User status: Offline
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Optiamx is good to cklean the engine up internally, but once it's do that the benifit goes, I use it every 5 tanks or so.
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broster
Premium Member
Registered: 6th Dec 02
Location: Drives: E39
User status: Offline
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northampton is wank, the petrol costs to much!
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Ojc
Member
Registered: 14th Nov 00
Location: Reading: Drives : Clio 197
User status: Offline
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Pay day today, I shall run whats left out of the Nova and fill up with Optiplop for the journey up to Billing.
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broster
Premium Member
Registered: 6th Dec 02
Location: Drives: E39
User status: Offline
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you wont notice the difference immediatly, takes 2ish tanks before u notice it
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Joff
Member
Registered: 17th Oct 00
Location: Cambridgeshire
User status: Offline
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7 and a half tanks, plus you need to drive with fogs on for the last 3 tanks to release the full potential at it's molecular level.
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nik
Member
Registered: 19th Jun 00
User status: Offline
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always use optimax but only for the higher octane rating. Havent noticed any better mpg (its shit whatever) but gives me peace of mind. Don't bother with ultimate as everyone prefers optimax.
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broster
Premium Member
Registered: 6th Dec 02
Location: Drives: E39
User status: Offline
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quote:
Originally posted by Joff
7 and a half tanks, plus you need to drive with fogs on for the last 3 tanks to release the full potential at it's molecular level.
i find after 7.498764314 tanks i get the optimum performance, and i only have rear fogs does it make me faster in reverse
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Joff
Member
Registered: 17th Oct 00
Location: Cambridgeshire
User status: Offline
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It does - if the day you're driving ends in a "y" you'll actually be able to travel into the future!
To go back in time, you need to modify the gear linkage.
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broster
Premium Member
Registered: 6th Dec 02
Location: Drives: E39
User status: Offline
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sweet, can u help me on sunday?
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big eck
Member
Registered: 20th Apr 03
Location: Tullibody. Drives - Audi B8 S4 & Fiesta Zetec-S
User status: Offline
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quote:
Originally posted by nik
always use optimax but only for the higher octane rating. Havent noticed any better mpg (its shit whatever) but gives me peace of mind. Don't bother with ultimate as everyone prefers optimax.
Isnt ultimate the same rating as optimax???
Does all the people who use it have standard engines or do they have to be modded internally for better use of the stuff???
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Fad
Member
Registered: 1st Feb 01
Location: Dartford Kent Drives: 330cd
User status: Offline
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read some aticle last year about how its not advisable for older engines due to the cleaning agents in the petrol cleaning the protective coke from the engine, some bloke was suing SHell as hisAstra GTE detonated due to this. (through mechanical reports)
This is why i dont use it....i put Esso super unleaded in all the time, got slightly better mpg and less pinking, but looking at opinions on MIGweb XE's were designed to run on normal unleaded altho it does feel noticbly cleaner on super unleaded.
Dont belive the hype on optimax or BP ultimate tbh prolly good for turbo cars and imports though.
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broster
Premium Member
Registered: 6th Dec 02
Location: Drives: E39
User status: Offline
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quote:
Originally posted by big eck
quote:
Originally posted by nik
always use optimax but only for the higher octane rating. Havent noticed any better mpg (its shit whatever) but gives me peace of mind. Don't bother with ultimate as everyone prefers optimax.
Isnt ultimate the same rating as optimax???
Does all the people who use it have standard engines or do they have to be modded internally for better use of the stuff???
mines slightly modded but mapped on optimax, joffs is shit and less than standard
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Ojc
Member
Registered: 14th Nov 00
Location: Reading: Drives : Clio 197
User status: Offline
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My 50cc Aprilia RS used to go so much better on Optimax
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Cybermonkey
Member
Registered: 22nd Sep 02
Location: Sydney, Australia
User status: Offline
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quote:
Originally posted by iceman
I wud say on a Turbo car coz it burns hotter yes it wud make a difference but with a N/a or standard car i wouldnt bother wasting your cash
You are getting a higher RON figure from Optimax/Ultimate, there will be a power increase regardless of the engine type, As long as the knock sensor/RON plugs recognise the different fuel being used. The principals of fuel dictate that the higher RON figure leads to a cleaner, more efficient spark detonation inside the cylinders, therefore creating more power by adjusting the spark timing. All those that agree that it is a waste of money are talking from their asses, granted that you would not notice on a 1.2, but i surely felt the difference in my old 1.6. And the effects of using it should be felt within 2 tanks.
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Ojc
Member
Registered: 14th Nov 00
Location: Reading: Drives : Clio 197
User status: Offline
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Cyberspunkey, I want your children and we can bring them up living in the water tower.
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big eck
Member
Registered: 20th Apr 03
Location: Tullibody. Drives - Audi B8 S4 & Fiesta Zetec-S
User status: Offline
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quote:
Originally posted by fadscorsa
read some aticle last year about how its not advisable for older engines due to the cleaning agents in the petrol cleaning the protective coke from the engine, some bloke was suing SHell as hisAstra GTE detonated due to this. (through mechanical reports)
This is why i dont use it....i put Esso super unleaded in all the time, got slightly better mpg and less pinking, but looking at opinions on MIGweb XE's were designed to run on normal unleaded altho it does feel noticbly cleaner on super unleaded.
Dont belive the hype on optimax or BP ultimate tbh prolly good for turbo cars and imports though.
This is exactly what i'm afraid of, I knew I read this article somewhere before BUT is there any truth to it????
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Fad
Member
Registered: 1st Feb 01
Location: Dartford Kent Drives: 330cd
User status: Offline
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well i value the opinion of a lot of ppl on MIG and as they know these engines inside out i'd take thew safe optin personally
plus using higher octane fuel means you have to replace your fuel filter more regularly too
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PainZ
Member
Registered: 28th Jun 02
Location: Camberley, Surrey - Drives a Black Vectra VXR Esta
User status: Offline
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i have heard the BP version is just crap, its fucked up engines etc etc
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Joff
Member
Registered: 17th Oct 00
Location: Cambridgeshire
User status: Offline
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quote:
Originally posted by fadscorsa
well i value the opinion of a lot of ppl on MIG....
plus using higher octane fuel means you have to replace your fuel filter more regularly too
Replacing the fuel filter can only be a good thing - not enough people change this at service intervals.
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