Engine oil VALVOLINE or Shell

I’m on rotella t6 on my ‘05 Impreza at 217k miles. Just had all the seals replaced. It has been on rotella since 132k miles. Runs really good.

Valvoline is the best oil I can recommend to you. Not even Royal Purple matches it in quality. They have a +75K miles and a +150K miles version of the oil. All of my cars are now on it after trying them all (Mobil, Royal Purple, Pennzoil, Castrol), the only one that effectively prevented oil burn and sealed any leaks in my other cars was Valvoline.

I personally prefer Valvoline, they seem to know what they're doing and have their own engine lab to test and experiment with oils, and that oil they made specifically for hi-milage engines work bloody good at rejuvenating a smoky old engine.

I have to use high zinc oil, Valvoline VR1 is the only oil I can buy that has enough zinc.

I live in a dusty climate I change my oil at least annually and I use Mobil one in my Volvo, Kirkland synthetic in the kids cars, and rotella in my air cooled vw.

I use Rotella T6 5W40 on my stock motor STI.

I switched to Valvoline last oil changed and really like it. Feels more lively than when I changed it in the past (typically use dealer recommended Castro).

I use valvoline extended protection

now im using shell long ride currently at 1500km and i havent feel any vibration yet and its cheaper than amsoil.

This might be the best oil product of the century.. Valvoline Restore and Protect for gas motors.