Any engine builder will tell you how important cylinder heads are to power and performance, so enthusiasts looking to spruce up their budget Chevy 305 small-block (SBC), or the larger and more popular ...

We've been getting a ton of mail with questions about how and when to modify the Vortec small-block iron heads—so much mail that we decided to condense all the Vortec information into one concise ...

Few cylinder heads have hit the small-block Chevy world with as much impact as the GM Performance Parts Vortec iron cylinder head. By now you already know that the Vortec head offers outstanding ...

Modifications for your 5.3L Vortec V8 engine are a lot like eating potato chips ... you can't stop at just one. It starts innocently enough with a cold air intake, because hey, who doesn't want better ...

Vortech Engineering has done it again. Now owners of 1999-2013 Gen III and Gen IV Vortec V8 engines (as pulled out of Chevy, GMC, and Hummer light trucks and SUVs) can install a belt driven V3 SCi ...

Over the years, General Motors has employed several eight-cylinder engine designs ranging from the inline "Straight-8" to the current LT1 V8. However, many agree that the small-block LS engines were ...

There's a reason why gearheads put both LS (not to be confused with LT) and Vortec engines under the same umbrella of "LS", despite GM originally assigning them different badges. (And in case you're ...

Although Vortec engines fall under the "LS" branding, they aren't actually the exact same as more traditional LS engines made by General Motors.