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Old 07-13-2021, 05:19 PM   #8
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Join Date: Feb 2016
Location: Tn
Posts: 45
Re: need some help 4l80e experts

Originally Posted by kwmech View Post
Did the Ls you swapped in have a 4l80e in it originally? Computer come with the engine and harness?
no it had a 4l60 but i had a harness built for the 5.3 and 4l80 trans and a local guy tune the computer for the 4l80.
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