Engines endure much abuse. Sometimes this torture results in damage to either the block or the heads--or both. The block can be very rare, such as a matching-number block for an LS6 Chevelle or the ...

Cummins diesel engines are highly regarded as being tough and reliable. However, the 5.9L Cummins 24-valve engines produced from 1999 to 2002 used engine blocks that are prone to cracking. While any ...

Cracked block? There aren't many two-word combinations that send a shiver up a car guy's spine. In most cases that means the block is DOA, and it's worth its weight in scrap only. Sometimes there is ...