What is the best way to get the most horsepower from my 2010 5.7L 376hp motor? And are there four valve per cylinder heads to get close to the output of the 5.8L 'Stang motors?
There are no 4 valve cylinder heads for our engines. The comp cam 274* with limiter if you have vvt , along with valve springs and push rods will put you in the 450 hp range. The eagle heads flow very well, stock, better than the 1st Zo6 heads.It just depends on how much money you want to spend. I'm not a big believer in NOS, especially with our returnless fuel systems.