Quote Originally Posted by nitrowarrior
I wish to show you an engine with factory iron heads (#186 @ 195cc intakes) that produced 660HP. 1800 pound car @ 7.91 Et. Granted your weight and combos will produce a variant of results. Point being, it can easily be done. This is not a clients car, but my play toy to have fun keeping the blood flow going while I was in between events and down time during the season. Second pic is when I decided to go alcohol injection because I had the system sitting aroung collecting dust.
I will say 195 cc's out of a 186 head is not very easy to obtain.
This is not your normal port job.
These heads start life at or around 160 cc's so you are making them 35 cc's larger.
To make 660hp using factory heads is not that easy.
I can see welding material on the top of the ports to make them taller and then doing a bunch of machine work.