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Old timer talked me into trying a bore scope on a tough job

I always thought bore scopes were just a fancy toy for guys with too much money. But last month I had a 6.7 Powerstroke that kept burning oil and I couldn't find the leak anywhere. A guy at the local parts shop in Boise told me to borrow his cheap scope and look at the cylinder walls. Sure enough I found scoring on cylinder 4 that I never would have seen without pulling the head. Has anyone else had a simple tool change how they diagnose stuff?
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3 Comments
faith_king
faith_king14d ago
Hold on now, is a little bit of scoring on one cylinder really that big of a deal? I mean yeah it burns oil but if it's not knocking or losing power most of those trucks will run another 50k miles just fine. These new engines guzzle oil from the factory anyway. People get wound up over the smallest things when half the time you can just add a thicker oil and call it a day. A bore scope is cool but it just gives you something else to worry about that probably wasn't that urgent.
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clark.alex
clark.alex14d ago
Nah man I gotta push back on that a little. My buddy runs a shop over in Twin Falls and he had a 6.7 come in that was barely smoking and nothing showed up on a leakdown test. He was about to just send it with Rotella T6 and call it good. Then he got a bore scope for Christmas from his wife and took a peek at the walls. Found a hairline crack in the cylinder sleeve that wasn't even visible until he hit it with a flashlight. That truck would have grenaded on the highway if he didn't catch it. I get what you're saying about overthinking small issues but sometimes a little look saves you a whole rebuild later lol.
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harpery47
harpery4713d agoTop Commenter
@faith_king, you got a point but a bore scope can save a lot of headache.
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