HOW MUCH POWER ARE PORTED HEADS WORTH? HOW MUCH POWER ARE REC-PORT LS3 HEADS WORTH ON A 6.0L? DOES A 408 STROKER NEED BIGGER HEADS? CAN I RUN 317 HEADS ON MY STROKER? WILL LS3 (REC-PORT) HEADS WORK ON A 408 STROKER? HOW MUCH POWER CAN AFR 245 HEADS MAKE? WILL 225 TFS GEN X HEADS WORK WELL ON A 6.0L? CHECK OUT THE ANSWERS TO ALL THESE QUESTION IN THIS VIDEO. I COMPARED A SET OF 799 HEADS TO REC-PORT LY6 (LS3) HEADS TO A SET OF TFS 225 HEADS ON A CAMMED 6.0L. I ALSO COMPRED A SET FO 317 HEADS TO REC-PORT LS3 HEADS AND AFR 245 HEADS ON A LARGER 408.

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