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I can tell you right now being part of an agency that utilizes 50+ vehicles with ULV transmission fluid....it DOES NOT last and needs to be serviced regularly. The 8f35 is not a bad transmission in normal service, and typically lasts a long time in the Escape and Maverick. However I have heard...

This is about 30% more expensive than regular Mobil 1 5w50, which can be had for $7.99 a qt at Napa. This stuff runs about $11 a qt. If bought at the right time online.

I don't disagree with you, however it will never happen as fatality rates will rise. People are too distracted in cars these days to safely cruise at triple digit speeds, and the first deer/pig/cow/moose/elk/whatever that is standing in the middle of that rural road will seal that driver's death...

Ford switched a lot of their PTU's and Diffs to 75w85 without so much as an internal change. If I was in your situation I would pick up two courts of cheap gear oil of either 75w85 or 75w90 variety, and refill PTU and drive around for a tank of gas, doing two drain and fills using this process...

The Duratec 4 cylinder engines are about as bulletproof as one can get, with the 2.3l and 2.0 from the mid 2000's being super long lasting. These are Mazda designs however, so is it really a Ford engine? ( owned a 2003 Ford Focus with the 2.3l Duratec and it was flawless for 125k). For Ford...

15w50 would be fine in a coyote in the summer, as would 5w50. I thought about taking 15w50 for a whirl in my GT500 next track day, but I want to burn through some of my stash of 5w50 before I do. For an unmodified street driven Coyote, I'd probably go with 0w40. One thing to keep in mind, Ford...

Does that switch control any outlets or are any outlets ran through that switch? I had a similar failure last year, the wall switch only controlled a ceiling light but a nearby outlet was still somehow wired through the switch as some kind of passthrough. I ran a space heater on that outlet and...

It was my understanding Mobil 1 ESP 0w40 and Mobil 1 Supercar 0w40 were the same oil. Mobil 1 Full Synthetic 0w40 was always a different oil. It is strange, but all of Mobil 1's 0w40's are unique and bespoke oils, none of them are rebranded in different bottles, at least according to the...

BG Dynamic engine restoration kit is what I would try. $300 or so and it might reduce that sludge, I've seen it perform miracles.

Here me out... Mobil 1 5w50, probably the FS X2 variety though the Supercar variety is also an option. These oils offer a decent HTHS and are not terribly thick for being a 50wt oil. They will also shear into the 40wt range pretty quickly during use and are readily available and not terribly...

Do you track your 3rs? Ford recommends oil changes every 4hrs of track time and given the depletion of the viscosity and additives I think their recommendation is based on some level of testing, as this oil is spent given my usage. I'm debating switching oils for my next track day to something...

This is the second UOA from my 2021 GT500 mustang with the 5.2 liter predator engine. This oil was in the sump for about 9 months (April to January) , but only driven sparingly during that time. This sample includes 3 track days at Circuit of the America's in Austin Texas, which equals about...

I think as long as the filter is designed and specified for the particular application, it should be ok, whether you cheap out or not. When you step outside the realm of standard specifications though, that's when you can run into trouble. I've seen plenty of "oops" photos of people with...

I have had good results with CRC Silaramic. Silicone base, works just about everywhere.

Yes it does, they are very well equipped for track driving. My buddies with Mach 1's rarely have temperature issues at the track, and the coolers look very similar to what's on my GT500. You still need to change that differential fluid though...your first change, especially after track driving...

I'd imagine expected ambient temperature has something to do with it. You don't typically see Texas or California type heat in Europe. Ford has to cover their basis. The real question is what does Ford in the middle east, Ford Australia, and Ford in Asia recommend? If those are 0w40 too, then...

As I'm sure you are well aware, Ford Ecoboosts put a lot of fuel in the oil. Extended drains are usually not in the cards for these motors, even with a great oil like AMSOIL Signature Series. That iron is already pretty high (though not dangerously so). Did you have the cylinder head gasket...

The gen 3's in the mustangs always came with 5w30, that hasn't changed. They are 5w30 for street and track driving. Also, its not just shear, but oxidation from heat and overall additive depletion. Spend a couple hours at full throttle and high RPM, and that oil is spent. The OLM does not...

There is a supplement to your Ford owners manual for the Mach 1, whereby it requires oil changes every 4hrs of track time. This is because the oil will shear with track use. Always START your track days with fresh oil, but if you want to add a little street driving after, that's fine (assuming...

The 2.5 Duratec is super easy on oil, almost anything will work well. Motorcraft is fine oil, as is Havoline ProDS, either will serve you well.