Quote:
Originally Posted by LS short box
Since you are doing a cam swap are going to upgrade the valve springs and push rods. I would. Depending on your engine mileage I would also replace the plastic lifter guides. They are cheap.
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I upgraded the springs, put in a set of LS7 lifters, new lifter trays and I upgraded the rocker trunnions. My 5.3 HAD the DOD, so the heads had to come off and the lifters had to be replaced. Now there’s just the process of tuning with black bear performance.