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1980 - 1986 Bullnose F100, F150 & Larger F-Series Trucks Discuss the Early Eighties Bullnose Ford Truck

How does this look? Borescope fun

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Old Oct 27, 2021 | 08:42 PM
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How does this look? Borescope fun

From what I have been able to figure out, the engine has somewhere between 250k to 320k. She was badly gunked up when I got her. I bought a $15 phone based borescope, and these are pics from #3:


Bit of scuffing at top of stroke

Hone marks mid stroke

Some pitting


Serial or part number?

How do you think it looks? FYI, I couldn't catch a fingernail on the cylinder wall at top of stroke.
 
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Old Oct 28, 2021 | 05:57 AM
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Compression test and keeping track of oil usage would tell you more.
 
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Old Oct 28, 2021 | 11:56 AM
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That says .060 upside down. That block has been bored oversize and shouldn't be bored again.
 
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Old Oct 28, 2021 | 06:13 PM
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Originally Posted by sdelivery
That says .060 upside down. That block has been bored oversize and shouldn't be bored again.
Aha! Thanks for the warning and giving me more information on the history.
 
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