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Old 08-20-2012, 02:21 PM   #21
cumminclouds
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Join Date: Aug 2012
Location: Tampa, Florida
Posts: 34
Re: 1982 GMC Sierra LS3 + 6l80e 4x4

One of the local machine shops told me to swap a 89-91 cummins into it.. He said it will be slower than the setup I want but will get great MPG and will be way more reliable/cheap/easier/ and efficent than a LS3...
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