I bit the bullet this morning and ordered a 12:1 cp piston and hc3 from TQS (not tech series)! I`m just wondering how much power can be gained from smoothing out the casting flaws and runners on the heads of the 700! This is the first head I`ve tried porting on an atv so I was more so looking for advice from the head porters on here where to port, and blend and where not to on these heads! I don`t really plan on going bigger on the valves right now, I just want to take baby steps! I have a really nice standard abrasives porting kit that I`ve had a while that I used porting heads on cars! What do you guys use! Thanks in advance! BTW any ported head pics would be great reference!