Mineral , semi synthetic or fully synthetic?

[Ry_Tower]

I thinking of using Petron RevX Trekker on all my old model gas fed cars.

I used it in my scooter and my bros car which is an Altis G, ok naman.

I've used mobil delvac mx and delo gold ultra sa rouser ko. Hehe, mas ok imho yung mobil. Next tym shell r4x naman. Para apple to apple comparison. :-)

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