AMSOIL.

AMSOIL tends to have the best ASTM D-5800 results. Otherwise known as NOACK testing.

"The NOACK Volatility Test, otherwise known as ASTM D-5800, determines the evaporation loss of lubricants in high-temperature service.[1] The more motor oils vaporize, the thicker and heavier they become, contributing to poor circulation, reduced fuel economy and increased oil consumption, wear and emissions."

Basically AMSOIL maintains its advertised characteristics over the life of the oil better than any other full synthetic I know of.

 

People can argue about engine lubricants all day long, but none of them maintain their virgin specifications longer than Amsoil. I'm impressed with Pennzoil Ultra's newer API SN formulation, as it is doing an excellent job. However, it seems to be more difficult to find at bargain prices at Wal Mart these days. That being said, being a preferred customer with Amsoil makes far more sense. No way I'm going to pay $9.79 per quart for Ultra at Pep Boys when Amsoil Signature Series is better @ $7.85.

 

Since I'm in the lubricant business, maybe we should dig into a performance oil that isn't on everybody's shelves. This product is available on-line or via phone call unless you know one of their sales reps. Lubrication Engineers, Inc., mfg's & markets a complete line of the most advanced heavy-duty lubricants on the market, focusing on end-users in industry, fleet, & municipal accounts. Go to www.lelubricants.com . For Mustangs, they have anti-wear technology that's among the most advanced in their 8521 (5W-20) and 8531 (5W-30) Monolec Tetra-Syn Synthetic Engine Oils. I run this in my GT-CS and I run their 8854 (5W-40) Synthetic Diesel Oil in my Duramax. Drain intervals can range from 10K and up; when going beyond 10K, Oil Sampling is recommended.

 

Thanks all! I just ordered some Amsoil for my Mustang. Why is it when I spend a lot of money on one of my three cars I'm really happy, but broke?

 

Amsoil . The only problem is when I switched from conventional to full sythetic, my oil pan started to leak. Guess its common in older cars.

 

guys is a k&n filter ok?
having trouble sourcing a genuine ford one
http://www.ebay.co.uk/itm/2005-Ford-...item53f2e81275

 

found a motorcraft one here..
40 usd ffs

 

guys how many litres of oil the v8 take?

 

I've been running M1 filters since I started changing oil in my first car. There are many filters out there that have a decent medium in them and high micron rating though. K&N, Mann, Napa Platinums, etc. M1 filters are typically pretty high priced and probably not worth the extra cost, but meh, as often as I change a filter I don't see it as too big of a problem.

 

Here's a great source for ordering Wix filters online in case anyone is interested:
https://www.filter1.com/

Pretty decent pricing and free shipping on orders over $50.
They sell the Wix version of the FL-820S for 5.13 each.