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I've been running Lucas Octane Booster for several years after my tuner recommended it to minimize detonation which showed up when dyno tuning the car. Seems to have helped, but I have no idea how much of a boost it provides. The bottle makes no numerical claim. Max pump gas octane found here in CA is 91.
True race fuel concentrate is the only way to get high octane blends. They're usually around ~20 dollars a bottle.
Originally Posted by SUB VETTE
I've been running Lucas Octane Booster for several years after my tuner recommended it to minimize detonation which showed up when dyno tuning the car. Seems to have helped, but I have no idea how much of a boost it provides. The bottle makes no numerical claim. Max pump gas octane found here in CA is 91.
I have used Lucas, but VP Fuels seems to work well as it is basically a 110 octane oxygenated racing fuel.
Works very well in my 12.1:1 LS2, made 565 last time on the rollers. With methanol & CA91 it made 575. Looking forward to getting my methanol system back in action, the combination should push me over 600 to the tire according to my tuner/engine builder