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    1. #1
      Join Date
      Feb 2006
      Location
      BC Canada
      Posts
      145

      Hot Rodding a 5.3L vortec

      Still ploting my conversion. If I were to aquire a late model low mile 5.3 ALUMINUM block engine, how much horse power could I get out of it say if I were to run an ls1-2 intake, headers and the hottest cam that would work with the stock ecm and sensors [and a tune]? Natually aspirated, no spray. Does this later engine have the 317 heads? Will that intake work on this engine?






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