Forum Discussion
Chum_lee
Feb 09, 2023Explorer
rhagfo wrote:fj12ryder wrote:
We have a single yewtoob video and now Ford engines are falling out of the sky. You guys do realize these people get paid by the view. No news, no drama, no views, no money.
I more or less ask the question earlier as to how big of issue is this?
Is poor engineering and are materials not strong enough, or is a bad batch of cams or lifters? What is failing first the lifter or the cam, one bad surface will damage the surface it rides on.
IMO, this isn't necessarily an "either/or" materials issue. There are many other factors which will slowly play out as the facts (from more failed engines, not RV.net comments) present themselves. There is some evidence that the failing engines have spent a lot of time at idle where the oil pressure is very low compared to normal driving. Extreme pressure wear additives in oil have also recently changed. The camshafts and roller lifters are one of the most highly stressed friction points in internal combustion engines which is where the failures occur. Let's see where the EVIDENCE leads us.
Chum lee
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