No issues with 5w-30. Switched my 21 Crosstrek to it due to the summer months coming. Little dip in mpg but the engine runs smoother.
Owner reviews for engine oil
Either way I have the impression that the engine has a smoother sound and feel now, can this be possibile or it's just a placebo ?
10w-40 AMSOIL for metric bikes. Bike runs and shifts like new with 30k on the clock
One poster said it right; Amsoil is a Multi Level Marketing program and that's why it's so expensive. Yes it's great oil, however, the Penzoil ULTRA Platinum is high in detergents that keep your engine clean. It's made of natural gas, an industry first, and is so pure and clear you can hardly see it on your dipstick.
I use Motul 5100 been running for 8k miles with no issues and smooth shifting.
I use 10W-40 semi- synthetic Mannol. Cheap and works fine.
Mobil 1 full synthetic 5w20 or 5w30 is best in my opinion, and I’ve always just used a fram ultra from Walmart never had any problems and my K20 seemed to enjoy it
But if high quality oil tulad ng Shell na fully synthetic, i go as high as 3k.
I'm at 308k miles and use cheap Castrol engine oil, house brand transmission fluid (the correct kind though), and the cheapest coolant I can find.
It seems to do a fine job lubricating, but, everything I ever put it in started consuming oil. They all stopped once I switched to other oils.
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