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Their M1 ATF or M1 LV HP fluid works great.

I've used M1 ATF for the last 30+ years with never a trans or PS pump failure.

The 2017 Fusion has the NA 2.5 engine with 187K.

I switched the 2007 Fusion to M1 5-30HM at about 280K because of a very slight rear main seal weep. The car now has 333K and still runs and performs great. I went ahead and changed out the 2017 Fusion to 5-30 EP at about the same time. The M1 0-20 performed very well in both Fords.

I have changed from M1 0-20 to M1 5-30 in both of my Ford Fusions. The results have been no problems, and I can't seem to notice any MPG loss.

I've used M1 ATF in my PS pumps for at least 35 years. I do a turkey baster drain every OCI (10K). Never had a pump failure.

My 47 year experience with various formulations of M1 oil is that it hasn't mattered.

As of this time I choose not to own one.

EP is outstanding as are the other formulations have been.

The best test for rating an oil (in my view) is run it for 200K, change it every 10K, and then evaluate the results. That's worked for me in all of my engines the last 47 years.

I have the same engine in my 2007 Ford Fusion with 331K. My engine still remains very clean, shows no sign of engine wear, uses only 6-8 oz of oil in my usual 10K Oci. Only oil I ever used is M1. I use NGK plugs and change them ever 100K. Also I put 10 OZ of MMO in the fuel every 3-4 fill ups...

About a year ago I noticed a couple of pieces of black glue in my oil change pan. Several months later with another oil change I saw more, so that's when I switched to a different filter.

After several hundred Ks using the 910 I changed to the Fram Ultra 3614. Reason: Started finding pieces of black glue in my oil change pan.

Right now the Fram Ultra 3614 oil filter

I stopped using the 910 after about 400,000 miles of use in Ford Duratech engines because of the black glue showing up in my oil change pan.

What is the diameter of the spring where it's worn?

Works well for me.

As for coolant I empty the coolant tank every 10K OCI and use ST coolant to top off the 2003. As for the 2017 I do the same but use Prestone coolant for Fords. I also turkey baster the master cyl reservoir every 10K OCI. This has always worked well for me.

My 2007 Fusion has the 2.3 and the 2017 has the 2.5. Both are NA engines.

M1 oils have been helpful for keeping my engines clean and long lasting since 1978 including my present 2007 Ford Fusion with 330K. 10K OCIs.