Octane Boosters???

I'm looking for more info on octane boosters. I've seen arguments for both side. Some say go ahead an use them, some say stay away at all costs. I'm just looking for someone who's got experience with them, good or bad.

4,500k's with octane boost, no problems, case closed!!!!!!

I've been using the PJ1 octane booster for 3 years at least 3k miles. It helps keep the rattle away, you can tell if you don't put it in. If you beleve the pump sticker our gas is 90 octane here.

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