The static total displacement of all six combustion chambers is 0.76 liter (46 cubic inches), but the volume in which combustion occurs at full boost during the 720 degrees of rotation it takes ...

Of particular interest is the small Barnes head combustion chamber. Typically in the range of 47cc, these chambers allow the use of flat-top pistons (notched for valve clearance) and compression ...

An Eric Weingartner YouTube video shows a head-to-head comparison of a lightly-ported 186-casting 64cc head to a Trick Flow aluminum head with 60cc combustion chambers. For reference, both heads ...

While the 426 HEMI was initially based on the RB architecture used by the 426 Max Wedge, the two engines share very little in common. Both engines have 426 cubic inches of displacement and have ...