TURBO LS-WHEN ARE PORTED HEADS NECESSARY?

FULL BOOSTED DYNO RESULTS. Turbo Junkyard 4.8L, Cheap EBay GT45 turbo, stock 706 vs TFS 205 CNC Heads test. Do ported heads add power? Can you just run more boost? Can You home port stock heads? Why modify before boost? What is that drink? Happy Hour & Horsepower!

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