5.3 to ls1 questions
01-26-2013, 06:12 PM
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5.3 to ls1 questions ok I have an 05 sierra with 5.3 has 245000 miles it still runs strong but I want to rebuild it maybe some upgrades. im curious what ill need to do (other than bore it) to use ls1 pistons? this is in a truck not raced just would like to have a lil fun with it. performance heads a small cam maybe.
