Cylinder Head Porting and Power Production
Head Bolt hole recess.
factory small block head castings with some time in them work better than most people can imagine.
Small block in Demon with 587 heads and a .590 Racer Brown flat tappet cam. 1.260 60ft.--6.09 at 111 1/8th mile --9.68 at 136 1/4 mile--No NOS
Head Bolt hole recess.
factory small block head castings with some time in them work better than most people can imagine.
Small block in Demon with 587 heads and a .590 Racer Brown flat tappet cam. 1.260 60ft.--6.09 at 111 1/8th mile --9.68 at 136 1/4 mile--No NOS
