I do use synthetic oil. I use mobile. Is Amsoil better?
Hi Jason,
I grew up as a firm believer in Mobil oil products. As far as petrolium oil is concerned I think Mobil is still the best on the market. When Mobil 1 came on the seen I switched to it and had very good luck with it. I am a firm believer in the benefits of synthetic lubricants.
About 13 or so years ago I was talking to a friend and oil was mentioned. He introduced me to Amsoil and said I should try it. I was leary about changing a good thing so he offered this to me. He gave me a change of oil and said that if I couldn't tell a difference that I owed him nothing for the oil. I had a 95 model F 150 4x4, 302 HO, 5 speed OD, 355 gear sitting on 33x12.50r15 Cooper Discoverer mud tires. It had 10w30 Mobil 1 flowing thru it as soon as I brought it home from the dealer (43mi). At this point in time I only had 25,000 mi on it.
This truck was my daily driver and it loved gas stations. I had to stop at about every other one it seemed like to fill it up. 9 mpg driving back and forth to work. I changed to Amsoil 10w30 and to my pleasent surprise I was now getting 11 mpg. I changed the power steering, tranny and transfer case over to Amsoil Universal ATF and it jumped to 13 mpg. I could believe what I was seeing. I changed the diffs to Amsoil Series 2000 75w90 gear oil and it would go back and forth between 14 - 15 mpg. I have a Autometer temp guage and I thought it wasn't working. It only runs at about 125 degrees in the winter and about 150 - 165 degrees in the summer (180 degree thermostat) even with the AC going. I confirmed the temp several different times with a heat gun.
I still have this truck now (runs like new) and it has 130,000 on it. I am only on my 5th oil change since swapping over to Amsoil at 25,000 miles. Their 10w30 is rated for 25,000 mile oil change intervals.
I run my F 250 Power stroke 10,000 mi between changes using Amsoil 5w30 Heavy Duty Diesel oil. The oil is rated for 50,000 mi oil change intervals but I have a trailer behind me more than I don't and I like to wrench on it more often than that. After doing a complete change over I gained about 5 mpg which saves me on average $500 in fuel cost (depending on price at pump) every 10,000 miles.
I have Amsoil in every thing I own from my R/C car all the way up to my M 9000 Kubota. If it takes oil or grease it has Amsoil either in it or on it.
I could write or tell you stories all night long about different things I have experienced for myself but the only real way for you to believe it is to try it yourself. It will only take 1 oil change and your eyes will be opened up to the next level of oil performance.
So to answer your question; Is Amsoil better than Mobil? I proved it to myself time after time.
When Mobil 1 came out with their 15,000 mi oil it blew people away. I sure everyone here at OTT can remember when the T/V commercial came out. Amsoil started making 100% synthetic oil rated at 25,000 mi oil change in 1972. Amsoil has the motto; "The First in Synthetics" for a reason. They earned it before any other oil company even dreamed about it.