Good pm. I am using unleaded fuel from day1 to my honda covic 09 2.0s. Pwede ko kaya gamitan mga premium gas (XCS, GOLD, VPOWER NITRO+)? Mas maging matipid kaya fuel consumption and ok performance? Since mas mataas octane ratings nila. Medyo naghehesitate lang ako mag palit fuel since nakalagay sa manual na unleaded ang recommended fuel to use sa fd. Wala kaya bad effect sa engine? Mostly city driving! Tnx po!
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