Blocks Archives - Page 3 of 3 - Engine Builder Magazine
Machining Aluminum Engine Blocks

Aluminum engine blocks have been around for many years for both stock and performance applications. Aluminum has a number of advantages over cast iron, the most obvious one being weight.

How to Find and Fix Cracks

Cracks are bad news because they never heal themselves. Once a crack starts, it always gets worse. Checking critical engine parts and castings is time well spent if it heads off a major problem that might result in a major engine issue or a warranty claim.

World Products Motown Pro Light-Weight SBC Block

World Products has introduced a new light-weight cast iron small block for racing and performance applications. Weighing in at a nominal 178 lbs, the Motown Pro Light-Weight is cast from a special 40,000 psi iron alloy for increased strength while weighing significantly less than typical aftermarket blocks.

Cracking Down on Block Fillers

In earlier articles, I mentioned filling dedicated, drag racing iron blocks to keep cylinders round and keep them from cracking. Many drag racers still practice that modification. Today, racers have the luxury of a low-cost block filler called Hard Blok, provided by Joel Bayless. Back in my early Pro Stock days, when I was racing