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Old 05-01-2022, 03:33 PM   #33 (permalink)
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Join Date: Jul 2010
Location: Tex us!
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ME personally, 4.8 LS would be a smart swap and then find the aussie version of the tune to incorporate the lean cruise or you could go with the 4 cyl ecotec or the v6 3.0 or 3.6 all depends on your funds and availbility and mechanical ability. then of course aero
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