Best Ls1 Heads

From a heads cam ls build to a moderate power adder street car.

Best ls1 heads.

We included the 706 small valve 5 3l heads the 241 ls1 317 6 0l truck and 799 as a stand in for the. Ls1 heads and cam test ls1 camshaft roundup part 2 building a stroker small block with ls like reliability 1 000 hp from a broken in 400 inch small block chevy. The ls6 can be taken down to 60cc. Our stage 1 ported gm cathedral port porting services are exactly what your ride needs to put the power to the ground.

This is a discussion on best factory heads within the internal engine forums part of the lsx technical help section category. Gm stock ls1 cathedral stage 1. Cnc machined factory heads ls1 or ls6 can flow over 320 cfm. The ls6 was designed specifically by gm to surpass the ls1 as the best performance head and it did such a good job that the 243 casting was recycled on the ls2.

In its most potent form these heads supported a conservatively rated 405 hp on the z06 corvette. Reuse factory intake valves. Add to cart please login to add to quote. In terms of peak flow the 241 heads offered 242 cfm at 0 700.

Both respond well to custom machine work. The stock ls1 heads 241 castings. At best flow numbers indicate potential power but we are getting ahead of. The ls1 heads were good but the ls6 heads were better.

It went to great effort and expense to design a dedicated casting that could stand toe to toe with the best heads on the market and do so with a substantial. Hey yall lookin for the best factory heads out of theses numbers 806 853 241 339 don t know much about. Crs rocker arms ls7 cryo treated and. Dart cylinder heads pro1 ls1 15º 205cc 62cc chamber assembled single 11011112 will ship directly from manufacturer estimated ship date.

The 241 heads were used on 5 7l ls1 applications and are considered by many to be just a minor step up in performance from the 706. Without modifying the intake manifold ls1 heads can be taken to 62cc chamber volume.