Well today i started my car from after the nice snow storm we got and the car was fine drove it to go get my haircut,and it developed a terrible miss i was like WTF...i thought something got wet form my stupid hood scoop being open.and all this snow well i took it to the shop that has my 87 GT and he started checking everything then he decided to pull the plugs they were shot...so he gets to the last plug on the passenger side rear guess what its stuck wont budge he said it must have blew out at one time and they fixed it and now its stuck...great so he did the 7 plugs the car runs great but im worried about the 8th plug...So he said he can fix it but not now he was busy and i needed the car its my daily..You know what his answer was get PI heads and intake ....lol...... SO ok were do i get them and is it a good mod to do??????.......what else do i need to do this swap...??? any help would be great.....