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hi guys well this may be a daft thread but im looking to improve my 1/4 mile time at GTI international has anybody had any experiance with octane boosters before obviously they are not going to work miracles but im literally looking for 10ths /100ths of a second improvements would anybody have any knowledge on which are the best quality and have any recommendations for one to try ?

ive looked into these and they seem to be reasonably well recommended

http://www.demon-tweeks.co.uk/motorspor ... ne-booster

http://www.demon-tweeks.co.uk/motorspor ... ster-500ml

Not really much point unless you can advance your timing to make the most of it.