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8.1L in a 5.3 z71

James Estupinan
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davester Senior Enthusiast

davester

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Posted (edited)

Do you have more than just the engine?  The 8.1 is normally mated with the Allison transmission, a more heavy duty transfer case, and a much beefier rear end (and a larger front diff as well).  And better brakes all around.  Oh, and they have a beefier torsion bar, for the extra weight the engine/transmission have.

Edited by davester
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