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Old 08 July 2005, 09:22 AM
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MarkV
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Default Fuel?

Hi
recently acquired low mileage 39k, 1998 STI. Car imprted from new by previous owner who looked after vehicle fsh etc and ran, I am told on correct unleaded. I have used optimax since I owned it. After reading various threads abot octane boosters etc slightly concerned - should I bother with octane boost and optimax? Not interested in improving performance just safety of engine - which runs like a dream at present no knocking etc.

mark
Old 08 July 2005, 09:32 AM
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TonyBurns
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Its always best to run a car on what its mapped for, if that is 100 ron fuel then you should use 100 ron fuel, so yes, id use octane booster and get yourself a knocklink fitted

Tony
Old 08 July 2005, 09:41 AM
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MarkV
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Default fuel

Originally Posted by TonyBurns
Its always best to run a car on what its mapped for, if that is 100 ron fuel then you should use 100 ron fuel, so yes, id use octane booster and get yourself a knocklink fitted

Tony
thanks mate - any suggestions about octane booster or are they much the same?
Old 08 July 2005, 09:44 AM
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I use millers octane plus, easy to get hold of and never had any problems with it, though you can use NF but its harder to get hold of and you have to measure it out, millers is 1 bottle per 50ltrs.

Tony
Old 08 July 2005, 10:11 AM
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Originally Posted by TonyBurns
Its always best to run a car on what its mapped for, if that is 100 ron fuel then you should use 100 ron fuel, so yes, id use octane booster and get yourself a knocklink fitted

Tony
What he said! If you want to know the reason, do a search on "detonation" or "det"

All the best with the car!

NS04
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