Should you port your stock LS heads or buy aftermarket? With LS engines being capable of making such crazy power with stock components, do the cylinder heads fall into that category? Do you need aftermarket heads? Well, that depends. Watch this video to see what Richard Holdener’s tests show and that might help you make the decision on what you need for your hot rod.
HOW TO BOLT-ON 73 HP TO YOUR LS! DO PORTED HEADS ADD POWER? SHOULD I USE PORTED STOCK LS HEADS OR AFTER MARKET LS HEADS? SHOULD I UPGRADE MY LS HEADS? HOW MUCH POWER ARE PORTED STOCK HEADS WORTH? HOW MUCH POWER ARE CNC-PORTED AFR 245 HEADS WORTH? ARE AFTER MARKET LS HEADS REALLY WORTH THE PRICE? CHECK OUT THIS VIDEO WHERE I COMPARED STOCK 241 LS HEADS TO CNC-PORTED 243 HEADS TO AFR 245 HEADS ON A 408 STROKER. WHICH HEADS OFFER THE BEST BANG FOR THE BUCK? IF YOU ARE LOOKING TO BUILD A 600-HP, 408 STROKER-THIS HEAD TEST IS ALSO A GOOD RECIPE.