ok i have done a search and determined that my heads my friend gave me are lo5...14102193 now they are free and iif i clean them myself and port and polish them my self will they be an improvement over the lo3 heads??? notioce "i" am doing the work except for the milling down i have a guy who will do it for 20 bucks...
now most people are going to tell me they are junk and i understand that but they are free and if i p/p them will they be better than my lo3 heads...
also why can't you grind the swirl port down some in the heads to lesson the obstruction?

 

I just want to know how you have a y-pipe and dual exhaust?

 

i think he means dual tail pipes out the muff??

 

yes its the single into double exhaust... its just about the only style to use on these cars...
but what does that have to do with my ques...??? i found a couple of more posts on it