It's obvious that hot rod parts have evolved tremendously over the past 70 years or so. One of the best examples is the small-block Chevy cylinder head. A scant 30 years ago, the iron "fuelie" casting ...

Horse Sense: For about a year after Trick Flow stopped offering the original Street Heat cylinder heads, they were still available from Wil-Burt, the company that cast the heads for Trick Flow before ...

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 ...

When the first modular motor-powered Mustang rolled off the assembly line and on to dealership lots in 1996, it had the same great looks, but the standard V-8 was a Two-Valve mod motor displacing 4.6L ...