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Thread: Hot Rodding a 5.3L vortec
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01-19-2007 #1
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?