Re: Seeking advice - rebuilt engine failed within 1,000 miles
I would pull the heads to see what's going on. A compression test should show which cylinders to be concerned with.
Look for obvious damage to start with.
You can check for a warped head by putting a straight edge on it with a strip of paper under it and seeing if it slides out. Some cracks need to be found by having it magnafluxed.
Hope you find the problem.
Kim
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