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Old 02-23-2021, 08:06 AM   #1
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Engine model

These numbers are stamped on the engine. What does it tell me?

GMT1
466839

Thanks again for any info you can provide.
Barb
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Old 02-23-2021, 08:20 AM   #2
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Barb,


Perhaps a little more info would help get you an answer:


Ford?
Chevy/Workhorse?
Diesel Cummins?
Diesel Caterpillar?
Other?


What model year?
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Old 02-25-2021, 09:36 AM   #3
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,it's on a 1982 GMC motorhome and on second look I think it's
465 not 466
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Old 02-25-2021, 09:46 AM   #4
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I do believe those were made with the Oldsmobile Tornado engine and transmission. That make of car had front wheel drive which they incorporated into the GMC motorhome. A true classic.

My memory is foggy but I'm thinking a 461 cu in engine.

Someone will come along with more knowledge.
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