Since we're covering a boatload of territory with this report, some of the general "how-to" information that is associated was purposely been omitted. This was done to ensure that we'll have page ...

It is safe to say the original, as-cast Twisted Wedge street head from Trick Flow Specialties (TFS)-now called Twisted Wedge Track Heat 170 Cylinder Head Fast As-Cast-all but revolutionized the Ford 5 ...

When we first got a look at our sample pair of Trick Flow Twisted Wedge CNC heads-the first ones let out of the factory-we were impressed. Compared side-by-side in our photographs, you can see the ...

The breakthrough of the 11R 227—a tip of the hat to the cylinder head’s 11-degree valve angle and fully CNC’d 227cc intake ports—is less revolutionary than evolutionary. It takes lessons learned from ...