Lb7 build

Lb7_Katie

Lb7 Duramax
Sep 8, 2013
851
31
28
34
And I want to buy another car haha :) soooo who wants the Lb7.


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Lb7_Katie

Lb7 Duramax
Sep 8, 2013
851
31
28
34
Welp, kept the truck. Time for upgrades …
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101f57e32901d4095de4e7c4b4783e01.jpg

ce1d6ba85ce341d69e4c79f924900f59.jpg



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Lb7_Katie

Lb7 Duramax
Sep 8, 2013
851
31
28
34
Wow 5000 miles, that's some concerning scoring of the walls right there. Cylinder walls washing down you think?

Right, that’s a possibility. Not really sure what happened. It’s off to the machine shop now


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DAVe3283

Heavy & Slow
Sep 3, 2009
3,728
297
83
Boise, ID, USA
My motor build had the vertical scratching the same way at 500 miles, but no additional wear after 15k miles when the heads came off again.
Long story short, I had powder coated a bunch of stuff and somehow got sandblast media in the oil cooler, which scored the cylinder walls on first start. Oil filter pulled it all out, but the damage was done.

Though in this case there is a lot more wear than just the scratching from what I see in those photos, so maybe it is washing down the walls?
 

Lb7_Katie

Lb7 Duramax
Sep 8, 2013
851
31
28
34
My motor build had the vertical scratching the same way at 500 miles, but no additional wear after 15k miles when the heads came off again.
Long story short, I had powder coated a bunch of stuff and somehow got sandblast media in the oil cooler, which scored the cylinder walls on first start. Oil filter pulled it all out, but the damage was done.

Though in this case there is a lot more wear than just the scratching from what I see in those photos, so maybe it is washing down the walls?

Yeah I’m not sure what Happened still waiting to hear back and praying I don’t need to replace everything.


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JoshH

Daggum farm truck
Staff member
Vendor/Sponsor
Feb 14, 2007
13,733
803
113
Texas!!!
Do the scratches catch your fingernail? You can still see cross hatching around all the scratches. If they don't catch your nail, I wouldn't even worry about it.
 

Lb7_Katie

Lb7 Duramax
Sep 8, 2013
851
31
28
34
Do the scratches catch your fingernail? You can still see cross hatching around all the scratches. If they don't catch your nail, I wouldn't even worry about it.

They do actually one of them pretty bad. It’s already on the way to the machine shop.


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