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Old 06-30-2000, 12:50 PM   #1
Jarrod Li
Scooby Newbie
Member#: 521
Join Date: Nov 1999
Location: Sweden
2000 Impreza GT

Post Wonder Oil

Ok, first of all let me say that I fully understand the consequences of my actions, it won't happen again....anyway suffice it to say I knew better but circumstances dictated otherwise.

Now that I have your attention...I recently had my oil changed, previously I had Mobil 1, 5W30, full synthetic in there. After getting my oil changed I realized that it had been almost 13k miles since my last change. (that's right, 3 zeros there). Yes I know better but 80hrs a week at work/school doesn't leave much time. Anyway the mechanic said that the oil had just barely started to show signs of turning black. In other words after 13,000 miles it was still relatively ok. I made 2 trips from OH to NJ and one from OH to VT on that oil among other daily travels on highway and city streets, spirited driving... and no problems at all.

Anyway, just thought I'd put in my enthusiastic vote for Mobil 1 synthetic being the best oil in the world.

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Old 06-30-2000, 04:08 PM   #2
Scooby Specialist
Member#: 1353
Join Date: Apr 2000
2001 Impreza 2.5RS

Thumbs up

A lot of people may want to harass you about running that long between oil changes,
but with synthetics, it's entirely possible to do. Synthetic fluids is all they
use in jet aircraft engines, and they don't change it unless an oil analysis
tells them it's needed.

I'm running Amsoil synthetics in my car, and if you use their filter they recommend a 25,000 mile oil change, or one year, whichever comes first. Replace the oil filter at 6 months or 12,500 miles, and top off the oil. Now, let me say that I don't put 25,000 miles a year on my car, so the oil change would be somewhere between 12k and 15k miles, with the filter replacement somewhere in the middle. I can, however, understand peoples' reluctance to run their oil that long, but if you're going to replace it at 3,000 mile intervals, why bother using synthetics? I figure if I'm going to be a dealer for them, then
I should run it per their recommendations, just to prove or disprove what they
are advertising. If it turns out to be crap, then I don't what to be associated with it.

If you install their bypass filter system, they say you can run the oil until an
analysis says it needs to be changed. This isn't necessarily an attractive thing for
us, but for a long-haul trucker or someone with a commercial fleet, it could be an
interesting option.

I'm not afraid to run an extended drain interval. Amsoil has a warranty to repair
any damages if their product fails (when used properly and in a previously mechanically sound piece of equipment). In 25 years of business, they've never needed to pay a claim.

Sorry to sound like a commercial, but you're right, the oil was probably fine and I'm
sure you didn't hurt anything.

Rich http://www.lubedealer.com/tulsa
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Old 06-30-2000, 09:47 PM   #3
Thumbs up

Running synthetic based lubricants is probably the best (and cheapest) form of insurance for ensuring that your engine, tranny and other mechanicals enjoy maximum life and protection. I have run Mobil 1 and Amsoil synthetics for the past ten years in all my cars and boats. Having a lot of experience with towing I can tell you that heat is the number one enemy of your oil and thus your engine and tranny. A good point in case is RV'ers that are towing large 5th wheel trailers with synthetic automatic transmission oil. Ford usually recommends a fluid change inteval of 21,000 miles on their E4OD automatic transmission. The people running the synthetics are not even having to change the fluids! They are just sending occassional samples of the fluid in for oil analysis and changing the fluid when the analysis recommends it! This is with major towing which in my opinion is almost as hard on a vehicle as racing.

The only negative thing I have ever heard about synthetics is the price ($3.00 to $7.00 per quart) and that people have reported some brands prone to leakage. I have never experienced a leakage problem in any of my vehicles and I think the price is fair because of the added protection and the longer change interval you can go to using synthetics.

Just my $0.02!!
Old 07-01-2000, 01:09 AM   #4
Scooby Specialist
Member#: 700
Join Date: Jan 2000
Chapter/Region: MAIC
Location: BANNED!
99 Impreza RS
Silverthorn Metallic


Hmm....you don't drive hard enough. My car uses 1 quart of oil every 3,000 miles. The way I drive, 13,000, I'd be bone dry!

*edit - darn typos!

[This message has been edited by Snoopy (edited June 30, 2000).]
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