More boost?
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More boost?
Hi peeps, I have had my sti4 for nearly 2 years now. The engine is standard except from a nice H&S 3" cat-back exhaust system. I change the oil every 3k without fail and it has run religiously on optimax and octane booster.
Last week, I decided to try the Tesco's 99 ron super unleaded.
Now I know that it is going to take the ecu a few tank fulls to adapt to the new fuel, but I have noticed that instead of the 1.4bar max boost which settles to 1.2bar, that I usually get, it is now reading 1.5bar max boost, if not a little more sometimes.
Knock link seems no more lively than before (2 greens max).
I only noticed the increase in boost due to the car feeling more punchy.
Just wondering if it is a combination of the cold weather and new fuel, or if the new tesco 99 ron is responcible.
Cheers guys
Last week, I decided to try the Tesco's 99 ron super unleaded.
Now I know that it is going to take the ecu a few tank fulls to adapt to the new fuel, but I have noticed that instead of the 1.4bar max boost which settles to 1.2bar, that I usually get, it is now reading 1.5bar max boost, if not a little more sometimes.
Knock link seems no more lively than before (2 greens max).
I only noticed the increase in boost due to the car feeling more punchy.
Just wondering if it is a combination of the cold weather and new fuel, or if the new tesco 99 ron is responcible.
Cheers guys
Last edited by Gear Head; 09 October 2005 at 05:41 PM.
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