In this final installment of HOT ROD's 350-cubic-inch Chevy V-8 engine build series (originally published in October 1989), Steve Anderson breaks down the things to look for and the hard parts you ...

On our test subject, a 2001 Camaro SS, these upgrades were realized during an engine build that was completed in 2007. At the time, the budget allowed for a set of PRC Stage 2.5 5.3L heads, while a ...

One of the most important factors in choosing the right cylinder heads is cost. A good Set of reworked, cast-iron factory heads can provide improvements, although performance production cores are ...

New cylinder head designs are not something you see everyday. Even when something new does come out, it's normally adapted from something else, be it a race head or a more exotic engine. The trickle ...

Q I own a '99 Chevy Lumina with a 3.1-liter V6. This weekend I got a flashing check-engine light with a severe misfire. I took the vehicle to a shop, which told me I had two rocker arms blown right ...

Rocker arms are an essential part of overhead valve engines. But how essential is it to keep track of whether they're made ...

A recently filed patent details a new GM cylinder deactivation system that appears to be heading to the next-gen V8 engines coming in the 2027. This new GM cylinder deactivation system might replace ...