Great Ls3 Heads Flow Numbers : Best Practices & 40+ Examples. Aftermarket ls2 heads flow similar number to stock ls3 heads so does anyone see me making the numbers i'm looking for with the above cam and aftermarket ls2 heads. The head are worth 30hp just bolting them on.
Aftermarket ls2 heads flow similar number to stock ls3 heads so does anyone see me making the numbers i'm looking for with the above cam and aftermarket ls2 heads. The 317 offered peak intake flow numbers of 244 cfm, but the ls3 head peaked at a whopping 318 cfm! Jul 02, 2016 · l92/ ls3 /ls9 5364 note: