In this, episode 87 of PowerTec 10 DV goes into the 'why' of the outstanding performance of Trick Flow Specialities Ford Mod Motor heads. There are a lot of racers who are using them but to keep whatever edge they think they may have just don't talk about them. Here, in detail, DV shows why they are little short of brilliant to the point he nominated them as cylinder heads of the decade! If you are into Mod motors this one is for you.