Horse Sense:All the Dart blocks feature siamesed bores, which means there is only metal between the bores, no water passages. This design allows high strength and huge bores-up to 4.185 inches. In the ...

When it comes to boring and stroking the venerable 302 small-block beyond its factory 4x3-inch dimensions, two swollen displacements have become commonplace: 331 and 347 ci. Both rely on 4.030-inch ...

Dart Machinery was founded in a backyard garage nearly 30 years ago by Richard Maskin. The company makes aftermarket engine blocks at a variety of price points for small and big Chevrolets and Fords.

Here's the big difference between this and a typical magazine motor: We ignored horsepower and went straight for big torque and total driveability. And to make it interesting, we did it with a ...