You can’t argue with the staying power of Chevrolet’s Mark IV big-block V-8 ... of black paint and/or powder coating for the block, heads, intake, carb, valve covers, accessory drive, and ...

The 632 cubic-inch big-block, the most powerful engine Chevy has ... Titanium 2.450-inch diameter intake valves, housed in aluminum cylinder heads, draw the 93 octane or higher fuel mixture ...