351 heads to use or not to use???

[mikev6stang]

I was just thinkin about why i dont see more guys using ported 351 heads for there 5.0 there would work wouldnt they .... what are advantages of useing them..??? wouldnt they make a better head to port or not ..... I know there may be a lose in compression but u could always mill them dwn no but heyy thanx for any replies on this subject was just bored off my ass and thought about it.....

 

[TIMMY2734]

Because the E7's are just as good. The only other stock head ive seen here and there is the D8OE castings