dirtjumper250: @mustangforums.com Hello! Hi I am new here and just had a question on a couple of Things. I just built a new 306 with afr 185s trick flow track heat upper 75mm throttle body and meter. I also have a trick flow stage 2 cam. The car idles fine on cold start but will start to idle high after it gets hot. Over 1500 rpm. The normals have been done but has not helped. also why do factory throttle bodies have a hole in the throttle plate and aftermarkets do not from 2 mins 33 secs ago