I have the pacesetter mid tube carb legal with air tubes part number 70-1336 they are the 1/58 with matching y-pipe....I just half way done installing them on my 1986 trans am with a 1989 350 l98 tpi....that being said are these headers good? And why is it a real tight fit on some spots there is no clearance why is that? I got more questions but ill start with these first

any one willing to help out answer these