Thread: Mobil 1 question.....

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I run Mobil 1 in most of my vehicle's, my work van get's Pennzoil synthetic just because that's who we use to do our oil changes on the company truck's. I used to be a quart low everytime I went to have my oil changed 4-5K since I switched to synthetic it is never low.

Heck even my lawn mowers run synthetic.

Originally Posted by Ron B.

Heck even my lawn mowers run synthetic.

heck yeah buddy.... i put it in my skillsaw, my air compressor and my lawnmower..... never ran better

We run Mobil 1 in our race motors, never had a problem. Last year we ran Amsoil for two races....two motor failures. Both were valve train problems, the engine builder said oil was the cause. We are back to Mobil 1 and have had no more issues. That's all I will now run in my truck don't care what it costs.....

how did he determine the oil was the cause??? If he had taken an oil sample and the results showed the oil was the cause,,,then I could believe him...but without an oil sample,,,an opinion as to why you had the problem,,cannot be based on the oil....I am sorry.....but proof.....not speculation is needed......

Originally Posted by Vipaworld

how did he determine the oil was the cause??? If he had taken an oil sample and the results showed the oil was the cause,,,then I could believe him...but without an oil sample,,,an opinion as to why you had the problem,,cannot be based on the oil....I am sorry.....but proof.....not speculation is needed......

If you use the same engine builder, then switch oil and start sticking valves in the guides and blowing engines, then switch to a different oil and things quit breaking, guess that would be all the proof I need..... Oil analysis is to primarily show contaminants, either liquid or solid, in the oil and analyze the condition of the rotating components' bearings.... IMO a good engine builder would be more the expert at diagnosing cause for failure then some lab that looks at only the oil... One of our local guys lost a couple engines he had Amsoil in last summer, too. Came back to Mobil 1 and no more problems. Maybe not irrefutable scientific proof, but I guess it's good enough for me!

I have run Mobil 1 for several years now with great results - including picking up at least a MPG in my 5.4 '01 F150. My 'new' '06 6.8 V10 has 7 quarts of what the dealer installed as part of his pre-delivery, and is Motorcraft 5w-20. I'll probably change to Mobil 1 10W-30 in a week or so and of course check the gas mileage - this beast needs all the help it can get. The Mobil 1 goes in clean and 5000 miles later still is very clear The '01 used no oil between changes and my wife's Escape is the same. I did try Castrol Syn-tech 2 times back to back on the '01 - and it went thru a quart every 1500 miles - then I did some decent research and came up with Mobil 1, Amsoil and Royal the best synthetic with Mobil 1 being the only one easily available locally - Wally World, K-Mart and Advance - and I do watch out for price specials.

In response to Denny's comment, Mobil 1 had major problems in the '70s when first introduced - it could sludge an engine to failure - and I, too, wouldn't use it for many years but since "Have Seen the Light"

And I use it in my air compressor - but do draw the line on the gas lawn mower. The diesel baby sized tractor - I may even do this one in the fall at its' next change