Just type in supertech oil filter and you'll get a bunch. But here's one:
Project farm also just did a supertech VS redline oil review. Redline took the trophy but not by much. Certainly not worth 2x the cost.
I'll stick w/ my ultra synthetics. I've been hard pressed to find a better filter except for Amsoil's EA line, but the things are incredibly difficult to get for me.
Yeah I saw project farm's test. I admire what he's trying to do, but I really don't think it gives nearly enough in the way of usable info to rank oil, except for perhaps his bearing test. The rest of it is good intentions and an interesting comparison, but IMO doesn't actually provide any usable info. Let it be said that in spite of my complaints with his lubricant testing, I have a lot of respect for the man and what he's able to throw together at home.
Bearing test - He's consistent with it. Gives a decent baseline of film strength, but the equipment is, IMO, more suitable for testing gear oils.
Flow test - Honesty says nothing. 5w30 has a range in which is acceptable. Some are on the thicker side, some are on the thinner side. If he carried some out at different temps to get a better grasp on a lubricant's VII I'd be all for it. But a single temp pour gives ???? for info.
Coffee pot test - All oils will lose a bit in heat as the lighter MW components flash off. Without knowing the oil's oxidation resistance and pH difference, it again, doesn't provide usable info.
I think a lot of the marks of whether an oil is good or not can't really be tested as a home-gamer.
- Thin film oxidation
- Ability to maintain lubricity in spite of moisture or fuel contamination
- Lubricity at high temps
- High temp / high shear
- Lifespan of pH buffers
- Effectiveness of dispersants and detergents
- Resistance to deposition, both in a new and used state, at high temperatures
- VII breakdown
- Testing of the high pressure / high temp anti wear additives