Corsakid84
Member
Registered: 23rd May 03
Location: West midlands (wolves)
User status: Offline
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does this really make a difference in performance, and clean out ur engine, or is it just the same as any old petrol.
cheers
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Mistamist
Member
Registered: 16th Jul 03
Location: Gillingham, Kent
User status: Offline
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it doesnt make fuck all difference to performance but the engine runs smoother.
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Cybermonkey
Member
Registered: 22nd Sep 02
Location: Sydney, Australia
User status: Offline
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In theory in should increase performance, but not on a small engine like yours. It will run smoother after a couple of tanks though. The increased octane rating of Optimax would see a healthy preformance increase on large engines.
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uprated
Member
Registered: 1st Sep 03
Location: York
User status: Offline
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on small engines it may give a very slight improvement in response or something, but yea its the big engines like my mums boyfriends sierra cossie that benefit from it most. A lot of people say you cant run a cossie on anything but optimax
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OFcorsa
Member
Registered: 6th Jan 03
Location: Cheltenham, Gloucestershire
User status: Offline
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It does clean out your tank though........i found it out the hard way splutter splutter
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WaNtEd_CoRsA
Member
Registered: 4th Mar 03
Location: Wakefield
User status: Offline
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so what did cossie's do before optimax then???
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MoNkEy MaGiC
Member
Registered: 12th Apr 03
Location: West - London Drives: Corsa GSi
User status: Offline
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yep, on my gsi it made a difference, wen i first used it i didnt seem no diff so i went bak to jus normal shell unleaded n then 2-3 tanks later i noticed that the engine wasnt as smooth or rev friendly as when i used optimax.
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stuyw
Member
Registered: 15th May 02
Location: North West Drives: Rev3 MR2 Turbo
User status: Offline
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is there anything else wot can clean ur fuel/injection system??
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MoNkEy MaGiC
Member
Registered: 12th Apr 03
Location: West - London Drives: Corsa GSi
User status: Offline
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yeah course, go down to halfords, theirs loads of stuff to choose from to clean out your fuel system, costs from roughly 15quid onwards i think
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stuyw
Member
Registered: 15th May 02
Location: North West Drives: Rev3 MR2 Turbo
User status: Offline
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but does it work though m8?
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Cybermonkey
Member
Registered: 22nd Sep 02
Location: Sydney, Australia
User status: Offline
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yeah it does. my old corsa puffed black smoke for 2mins after injectir cleaner
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MikeH
Member
Registered: 3rd Apr 03
User status: Offline
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I heard that BP were bringing out 100ron fuel!!
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paulr202000
Member
Registered: 20th Jan 01
Location: Lancaster
User status: Offline
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all xe engines (eg x14xe x16xe x12xe) are all designed to run on 98 octane fuel but will run fine on 95n ron fuel the engine management system just retatds the timing
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and-m
Member
Registered: 5th May 02
Location: Liverpool. Drives. Skud vRS.
User status: Offline
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quote:
Originally posted by Cybermonkey24
yeah it does. my old corsa puffed black smoke for 2mins after injectir cleaner
Probably burning the injector cleaner off 
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OFcorsa
Member
Registered: 6th Jan 03
Location: Cheltenham, Gloucestershire
User status: Offline
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costs about £4 for injector cleaner i only used it once and my car has been fine since!
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