Amsoil is worth it and head and shoulders above the competition. I used a custom built testing apparatus to characterize dozens of lubricants including oils of all weights from Mobil 1, Castrol, penzoil, valvoline, and Amsoil.
Recently started using in my 2002 M3 and the oil runs cooler compared to the "twin power" oem oil i had been using.
On my 05 cr125 I ran amsoil low smoke for riding mostly harder enduro stuff (worst bike for it, but a fun challenge).
Redline 10w30 full synthetic if I know I'm going to beat the piss out of it for the next 5k miles (think autocross or mountain runs), otherwise I use Honda 10w30 full synthetic.
I got a good deal on some amsoil and I love it, pricey but worth it tbh!
I do not use auto oil. Motorcycles run hotter and I don’t trust car oil. I use Red Line. They sell a V-Twin kit that has engine oil primary oil and transmission oil, and fuel system cleaner. I buy one each spring.
Amsoil z-rod is what I run but nothing wrong with rotella diesel oil.
Amsoil. I run it in anything and everything they make fluids for. Even the 2 strokes. Father has been a dealer for decades and the number of stories he has backing up amsoi's marketing claims is IMPRESSIVE. I've personally seen a few success stories already and PLENTY of scientific testing
Amsoil 5W30 SS, I run E85 so I wanted something I could trust to handle fuel dilution
I personally like Amsoil better they actually created synthetic oil but I don’t believe in 25,000 miles on it oil change if you want to run it for like 10,000 and change the filter halfway through 5000 I believe the Oil Wall hold off no problem bye just seems like a lot of miles to put on oil
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