5.3L Accessories: What Are They Worth?

How much power is a fan worth, and how the hell do you get these stupid things off?

Low Buck DIY: LS Springs on LT1 Heads for More Lift

Modifying heads to accommodate higher valve lift can seem like a daunting task. However, with a little knowledge and the right tools, it can...

Speed Secrets: 408 Fast Intake Test

What’s the difference between the FAST LSXR and single plane intake? Richard Holdener explains in this episode of Speed Secrets. 

The 100 Horsepower Upgrade: Cam Only 5.3L Test

What’s a cam swap really worth?

Speed Secrets: Swapping a Cam in an LS3 Crate Engine

https://www.youtube.com/watch?v=ytuU-04ywDk&feature=youtu.be No matter how many times or combination of upgrades, testing an LS based engine never gets...

Video: COMP Cams #Techtips Hydraulic Roller Lifters

Billy Godbold of COMP Cams provides a variety of helpful tech tips related to preparing and installing hydraulic roller lifters.

LY6 Cam Upgrade

What is a good rec-port cam worth on an LY6 6.0L?

Speed Secrets: 4.6L 2V COMP Cams XE274H Dyno Testing!

https://www.youtube.com/watch?v=B2mXp6uOU8I Working with the experts at COMP Cams, the crew at Speed Secrets is on a mission...

Speed Secrets: Making 1000hp From a 408 Stroker!

https://www.youtube.com/watch?v=-QguvArSObE If you’ve been overlooking the little thing that go into modifying an engine, you’re missing the...

20 “Must-Have” Engine Building Tools

Engine building is no picnic, but the right tools and instruments can certainly make it a bit easier. Whether you’re a highly-experienced professional or...