dnewton3
Staff member
The UOA is not the OPs; he grabbed it off the net, so any advice really isn't going to help him. We're agreed on that.
That being said, this UOA isn't all that impressive. Fe is nearly 5ppm/1k miles; that's much higher than what we'd expect from an easy going 4.6L Ford.
Item number one should be to ditch the K&N and go back to a normal, good quality cellulose air filter. The Si is likely to come down, and then the Fe may come down as well.
I've run 10k mile OCIs on inexpensive dino lubes and got much better wear from my two MGMs with the same type engine: Here's proof:
My worst Fe average was around 1ppm, and my best was .6ppm (six-tenths!!!) per 1k miles. Every OCI was 10k miles and both dino and syns did very well.
Most any 4.6L 2v engine should live an enternity on anything from 5w-20 to 10w-40, and easily survive 10k mile OCIs as long as the contamination ingress (fuel, silica) are low.
That being said, this UOA isn't all that impressive. Fe is nearly 5ppm/1k miles; that's much higher than what we'd expect from an easy going 4.6L Ford.
Item number one should be to ditch the K&N and go back to a normal, good quality cellulose air filter. The Si is likely to come down, and then the Fe may come down as well.
I've run 10k mile OCIs on inexpensive dino lubes and got much better wear from my two MGMs with the same type engine: Here's proof:
5w-20; Ford 4.6L engines; UOA testing
Originally Posted By: JLTD Guess I need to run the Amsoil OE I just bought for MUCH longer than 5000 miles! Make it 10k at least....and sample and leave it in. If you do a lot of highway miles.... you might be good for 20k
bobistheoilguy.com
Most any 4.6L 2v engine should live an enternity on anything from 5w-20 to 10w-40, and easily survive 10k mile OCIs as long as the contamination ingress (fuel, silica) are low.