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wow this was the 1st time i use royal purplemotor oil5\30on my car and boy it made a big difference in my car i dont know if it was my car neede a oil change or who knows but i felt a big improve ment by doing the oil change.......royal purple oil is a must on my tune ups now
well soon as i was done doing the oil changed i drove down the street to clean my enegine and i floored it and i felt a differnce i felt more powerand abetter responseim satisfied