http://3800wiki.com/ 2026-04-04T02:56:40+00:00 http://3800wiki.com/ http://3800wiki.com/lib/exe/fetch.php?media=wiki:favicon.ico text/html 2020-04-10T14:57:31+00:00 Anonymous (anonymous@undisclosed.example.com) http://3800wiki.com/doku.php?id=performance:enginemods:pnp:heads&rev=1586530651&do=diff Head Porting and Polishing Preface: All of this information was pulled from an old post from ClubGP before it was shut down. Thankfully “88formula” saved the post and reposted it on grandprixforums.com. http://www.grandprixforums.com/how-to-write-ups-tech-tips/71197-basic-3800-diy-head-porting-guide.html Head Porting Guide “