Re: Budget 5.3 Swap
Just fyi a LS3 intake will not work on a 02 5.3. The cylinder head ports are rectangle on the LS3 intake. You could use a LS6 intake but if you are on a tight budget I would just stick with the stock intake and injectors. As said above a cam, valve springs and push rods along with a good tune will really wake up that 5.3.
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