Quote:
Originally Posted by Daox
Got any evidence to back that up? I've heard many claim this but have never seen any testing done to back it up.
I'd agree with Patrick that its a waste and is useless unless the engine is programmed to take advantage of it.
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Physical proof no but I did help with allot of the Servicing on the van. At 250,000Km the motor started acting up and the economy went through the floor we switched to high octane and the motor stopped acting up and the economy went up a bit. It was not the greatest but hey its an Astro.
As for the post if your motor is tuned for it then go for it. If not don't bother.