Like Bio said. Cheaper. I could've ported the heads too, but it's not necessary for what I have in mind. Neither was a Gen V. A ported Gen III is sufficient.
2004 Impala LS - got some mods sold!!!
2009 Subaru Impreza WRX STI
NAIOA moderator Still Imp'n, just in a different Imp.
Like Bio said. Cheaper. I could've ported the heads too, but it's not necessary for what I have in mind. Neither was a Gen V. A ported Gen III is sufficient.