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8550 engine
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TrentH View Drop Down
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Joined: 05 Mar 2025
Location: Minnesota
Points: 3 		Post Options Post Options   Thanks (0) Thanks(0)   Quote TrentH Quote  Post ReplyReply Direct Link To This Post Topic: 8550 engine
    Posted: 8 hours 39 minutes ago at 7:34pm
We have a 8550 that the rear turbo started smoking and will not clear out even when it’s at operating temp and has what we think is a miss on one of the rear cylinders. Is it worth fixing the Allis engine or repower with a Cummins.
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DrAllis View Drop Down
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Joined: 12 Sep 2009
Points: 21457 		Post Options Post Options   Thanks (0) Thanks(0)   Quote DrAllis Quote  Post ReplyReply Direct Link To This Post Posted: 8 hours 9 minutes ago at 8:04pm
If it was as simple as changing out one injector, why wouldn't you fix it ?? Looks like some good diagnosis is needed.
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TrentH View Drop Down
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Joined: 05 Mar 2025
Location: Minnesota
Points: 3 		Post Options Post Options   Thanks (0) Thanks(0)   Quote TrentH Quote  Post ReplyReply Direct Link To This Post Posted: 7 hours 58 minutes ago at 8:15pm
Haven’t dug to deep into it yet. It looked like more of blue smoke, like oil. I was thinking it was probably rings. Was going to check for bubbles in the antifreeze and make sure it wasn’t that to.
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