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- JDM_BLITZ
Just wondering if they did , i heard someone saying that when you overhaul the engine your HP goes up after time , but what about for the oil change ?
Breaking in an engine will bring up the HP and also before you use it or put miles onit take the new car to GT Auto for an oil change will give you anywhere from 10 to 30 HP extra...Just check for yourself if you dont believe.... Buy a new car from the dealership... check the HP then go get an oil change and it'll be slightly higher 👍