ive done it on 1 neon head and havent heard anything bad back from the buyer and that was over a year ago. but from what ive seen and heard it shouldnt be an issue.
In one answer. YEP! It's part of the bowl work.babeboy said:I got my head ported today. When I picked it up I noticed that the nipples of the valve guides were missing. Well they were grinded down flush with the porting. What im getting at is that ok that they are ground down. Porters help me out. Ill try to post pics