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Let me apologize, I did not read “RDU” properly and think “Rear Differential Unit.” That being said, you also didn’t realize apparently that both photos are literally the same rear differential unit… Please refer to these photos and the explanation. It outlines it thoroughly and it’s clear...

The pictures you’ve sent are of the rear differentials. You can see the rear axle CV cups going into the diff on either side and that it’s attached to a rear subframe in the photo. Check out the Engineering Explained video on YouTube if you want a detailed breakdown of how all those FWD based...

My guess would be simply that it has no frame giving it strength like a normal roof to the rear axle area. Like if it had those bed support beams like the Chevy Avalanche, it would probably be stronger but there’s still nothing above. That would also be my guess as to why they could never make...

Just don’t get rear ended too hard, apparently… 🫠 that’s all I’m worried about

To be fair, at least the evo X has a real center differential PLUS a torque vectoring rear diff. A real center diff in transverse cars is extremely uncommon because of the packaging.

Okay I at least know for a fact the RS PTU has no clutches, it’s only a gear linkage. The rear diff is overdriven and there’s a clutch between each rear axle. That’s how it torque vectors and sends more torque to the rear diff, it increases clamping on either side’s axle clutch. The Tremor diff...

Scratch that, I’m seeing a PTU disconnect motor on old Maverick PTU’s. Interesting choice, not sure why they’re doing it. It’d be cool if it allowed an overdriven rear end but I doubt it is. Also I just call it a transfer case because that’s what the community refers to it as on my other car.

My mistake, that’s new tech. I was under the assumption it was working off the same system as the focus RS with different gearing. A solid transfer case and torque vectoring VIA the diff with an overdriven axle ratio. I would imagine the regular AWD Maverick doesn’t have that PTU disconnect...

Unfortunately no, the transfer case is a solid gear and pinion/bevel linkage, there are no clutch packs or a center differential in it. The rear driveshaft is rotating 100% of the time and in the tremor’s case, the clutch packs on either side of the diff before the axles are where all of the...

TLDR, the way most transverse AWD systems work now is it’s always a FWD car but the rear diff clutches engage when you’re accelerating and when it senses front wheels slipping. Think of it like a 4th truck but backwards and the pcm deciding when to actuate the extra drive wheels.

Random photos?? My brother in Christ, they’re direct injection ecoboost engines. That IS the whole point. The caking is RIGHT THERE 🤣 Plus your sources are articles with one statement or no actual backing to your argument. If you’ve never taken a manifold off your ecoboost and seen your valves...

As far as I’m aware, those photos are of 3.5 V6 Ecoboosts. Here’s a photo of a 2.3 cylinder head caked. Same as the 2.0. And that article is “is it a problem?” Not, “will it happen”. Objectively, it will happen, regardless of how fast or slow. Will it be a problem? Probably not for 90% of people.

You can have caked valves without issues. Granted, newer engines are way less likely to have a lot of oil blow-by, but there will still be minor amounts. There’s a high likelihood you have some oil buildup on your valves and just don’t know. If it’s not causing you any serious issues, don’t...

I had a mazdaspeed MZR DISI, predecessor to the ecoboost. It idled smoothly and got normal fuel mileage even modified. The valves were caked to shit. Did you even look at your valves? Because that would be actual evidence. If you are calling the PCV plate an AOS, I have bad news for you… A...

With all do respect, your “proof” is literally “Stephen Russ stress that carbon deposits on tailpipes and intake valves have never been an issue in their DI engines.” Which is a comically **OBJECTIVELY** false statement.

That is a painfully objectively false claim, lol. If you have a PCV system drawing vacuum by being connected to the intake manifold and ANY oil gets through the PCV valve, it will coat the valves over time. Doesn’t matter if the engine is modified or not. Only time will tell if the port...

I’m pretty confident there is a setting that as it reads the speed signs will make it automatically slow down to that speed. You CAN turn it off, but I’d have to dink around in the center console screen settings to figure out what it’s called specifically. You can check yourself, it’d be under...

Didn’t notice the link, my bad. There will be more things to clog for the people that do have it though 🤷‍♀️

I’ve heard many conflicts but the main point being that the power is reduced because of the added gasoline particulate filter in the new model year to meet some states emissions regulations. But apparently trucks ordered to states with no regulations didn’t get the GPF and therefore have the...

Whether the bottom end has really changed or not, I doubt it. But the cylinder head is a completely different and new casting. The intake runners are longer and extend outward from the head further to make space to mount the port fuel injectors. There simply was no room to do it before. On all...