Quote Originally Posted by fordkiller91 View Post
does it has flat top or dish pistons? best oem head would be 243 or l92 heads. if you dont want over 11.0 c/r then dont get l92/ls3 heads. ifs its lq4(dish) get 243 heads and mill them 030 or so if lq9 (flat tops) just bolt them on!

Lq4 has dish