Re: Premature Bearing Failure
First and foremost thank your brother for his service to our country.
There is no one that can tell you for sure what happened, it is all just guessing without the parts in front of you and knowing all the details of the engine. Even with that, it can still be a crap shoot as to what really happened.
It sounds like the builder is a stand up guy; he took care of the first engine at no cost to you,( if I understand your post correct). Is the engine back in your car and running now? If so, is it ok?
The people that posted here that is the builders fault are just jack wagons, they don’t know the guy or even enough details to even make a statement like that.
Me personally I don’t do the diesel oil; I am not saying it don’t work, but diesel engines operate under totally different parameters then a gas engine. There are a bunch of oils made just for your application. Joe Gibbs, Lucas, Brad Penn and more. There is no reason to chance having the wrong additive package in the oil, when the correct oil is there and easy to get. I have all my customers running the Brad Penn. My dirt / drag engines that come back for maintenance look excellent using the Brad Penn, and the flat tappet dirt engine cams are always in good condition.
One thing that raised a flag to me was you coolant temp statement “neither engine appears to raise above 215 deg. How are you checking that and how long does the engine spend at that temp??
The 7 ˝ quarts and the oil pump pick-up sounds a little hokey to me, but without actually seeing what it was or talking to the builder we may be missing something in the translation.
Give me a brief rundown of what you’re doing with the engine from the time you get it home, through install and fire up. Did the builder use your carb, distributor, coil, etc on the test stand when he ran it?
It’s hard for people to believe but the builder can do everything correct and still have problems with a fresh engine. It happens to the best builders in the industry.
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