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Hey MCMULLAG you know that ZMAX was sued in court for false advertising (their goo did nothing): The FTC's complaint alleges that the defendants did not possess and rely on reasonable substantiation for the following claims in the infomercial, on the Web site and in brochures that zMax...

" I'd like to see some more conclusive tests myself." Yeah, you think the manufacturer would supply an endless stream of peer reviewed studies to back their claims. I completely agree that synthetic oil is better than dino oil. I do question all the 'testimonials' of 30%+ MPG gains and all...

Biggest red flag? The Military FORBIDS the use of any additive. None, zero, zippo. I would think that the owner of the largest fleet of vehicles in the US (In 2009 the largest civvy truck fleet is AT&T that lists 77,480 Class 1-4 trucks,vans and SUVs). There are 160,000+ HUMMVs, and 80,000+...

Unless temps get above 200F+ the sulpher is inert and will not get acidic (you also need water in the oil) in a transmission. This is pretty much a known fact. There are really only three additives that reduce metal on metal wear that are added to oil. Zinc, Sulfur and Phosphorus. These...

Teflon will not stick to anything unless its 1. glued on or 2. melted on. There are obvious issues with #1, and #2 requires 700+F temps to melt. Any motor goo is at best going to simply add to the normal additives already in the engines. Unless LUCAS is going to publish what they are using...

Do you have a bulletin or something? No manufacturer recommends ANY additives.... only spec'd API oils.

So mystery goo will fix compression problems (bad ring = blowby, correct? ) If 50% is good, then 100% is gooder.. I say filler 'er up this stuff!

The 'reviewer' is evidently an AMSOIL distributor... while there are some valid questions in the review, it is CLEARLY biased. Also, one AMSOIL study said that 'disposing of waste oil is typically very costly' GuardianPestFleetStudy-g2244 Um... no, its not. Now a days you get a buck or two a...

I'm gonna run out and put LUCAS in my Dodge 4-banger... I could use and extra 30% more gas mileage... and to think I traded in a Durango when all I needed was mystery goo. No one is gonna change any ones mind. HISTORY is on the side of the no-goo-in-the-engine guys. An M35A2 from 1969 was...

So Lucas (as 'documented' on this forum) got 3 MPG MORE on the trip home. M35A3 gets about 8Mpg. 3/8 = .375 Ok... so LUCAS is getting one guy 30%+ more MPG? Come one... as for 'cooler' running. Got a laser thermometer? Post some numbers... use straight 90wt for X miles, record temp. Add...

People cling to their view no matter what the other side says. Oil meets strict API standards.. tests are documented, and can be reviewed. What standards does Lucas oil meet? What testing HAVE THEY DONE? Where is THEIR control engine with a million miles of use? They will not even tell you...

:mrgreen:Engineers are the last people I want to take my advice from. Just about EVERY snake oil you can pour in your engine has been debunked. There *ARE* case studies of public transit buses that went on for YEARS on nothing but dino oil and with regular oil testing they show that engines...

Control groups? Sample size? Internet scientists are the worst. They took the same display as Lucas has and run it through some tests and got results. The most startling one is the amount of air they were able to entrain in the lucas oil. *MAYBE* you need to reach a critical temp before the...