Engine oil VALVOLINE or AMSOIL

Valvoline Restore & Protect is reportedly great.

I run Valvoline restore & protect because 2x 5 qt jugs fits my 4 qt Prius and 6 qt Maverick perfectly and I run it on the Prius which has stopped oil burning from the low tension rings.

My brand new one acted the same. I did an oil change at 1000 miles and went with Amsoil Hybrid 0w16. Since the oil change I really don\u2019t feel the vibration, much smoother.

On my 25’ Ranger Raptor I’ve done oil change at 500, 2500 and 5000 miles. Will continue every 5k. I run Amsoil signature series 5w30, with MC filter. Ford recommends 10k.

I had an 05 Corolla, it was my Amsoil testbed. After the first two oil changes for break in at 800 and 10k, only one oil change per year, 20-30k miles. Amsoil oil and filters.

Both of my Guzzis ran better on Valvoline. This is if you’re in USA

Amsoil Signature 0-30 ,Tokyo Roki Black Japan filter only and 5000k, soon to be switching to 0-40

I'm using Valvoline 0W-20 Restore and Protect, changing every 4,000 miles. '23 OBW, 56,000 miles. FYI, I did an oil analysis at my last oil change. Wear numbers were excellent, less than 1.5 ppm/1,000 miles. 3 iron, 2 aluminum, 1 copper over 4,128 miles. Fuel dilution was HIGH though, at 4.3%. They expect 1.5- 1.8% for direct injection turbos. According to the Motor Oil Geek, less than 5ppm/1,000 miles is considered good. I do a fair number of short trips, but also some longer runs. I'm going to go to max of 4,000 miles due to the gas dilution.

I went to Valvoline once, oil pan emptied itself onto their floors the moment I started the engine. Joking aside I think it's perfectly fine to go to Valvoline, I go there often bringing my own oil and filter, that way I know it's the right oil and it's good quality stuff.

Amsoil is overpriced and underperforms. I’ve bought $1000s of dollars of their race oils and have slowly realized all are near the worst on market, always the worst for the coin.