Low vs. Flow: A Trailblazer SS Throttle Body Comparison Test
By now it should come as no surprise to anyone that the very best factory intake manifold for a cathedral-port LS application is the Trailblazer SS, often referred to simply […]
Author: Richard Holdener
Richard Holdener is a technical editor with over 25 years of hands-on experience in the automotive industry. He's authored several books on performance engine building and written numerous articles for publications like Hot Rod, Car Craft, Super Chevy, Power & Performance, GM High Tech, and many others.
Tube Header vs. Log Manifold: A Turbo LS Response Rate Test
For turbo LS folks (actually, any turbo enthusiast), the question is sometimes not just boosted power, but also boost response. Turbo folks always love the power production, but the only […]
Pro Tip 5.3L LS: How to Make 1,000 Horsepower
This Going Pro 5.3L buildup had one goal in mind—making 1,000 hp! Naturally, we would be using boost, but before we could add said boost from our ProCharger, we had […]
Crate Expectations: A Nitrous Carb LS3 Engine Test
Crate motors are awesome, so let’s find out how to make it awesome(r)! Right off the bat, having a complete, crate motor show up at your doorstep provides not only […]
LSX Blower vs. Turbo Test: 20 PSI Boost Battle!
It doesn’t matter how you ask the question about turbos and blowers, what is better or what makes more power or which one should I use? The answer is always […]
Response is Everything: Small LS Turbo Cams
Making big power requires a big camshaft, right? I mean, it makes sense. For years we have been taught that the internal combustion engine is nothing more than a giant […]
Summit Racing Power! A 5.3L Cylinder Heads, Cam & Intake Upgrade Test
How much LS power is considered a lot these days? Forget the four-digit turbo motors for a minute, and let’s stick with naturally aspirated, all-motor combos. If we narrow things […]
Crate or CREATE? GM LSX376 B15 Mods
When it comes time for your engine build, at some point, we are all faced with the same decision. Your first inclination might be, why did I get myself into […]
Headers & Nitrous: Dyno Testing Ford 5.0L Coyote Mods
Travel with us way back to 2011, when Ford introduced the 5.0L Coyote to replace the 4.6L 3-valve. After the demise of the 2003-04 Terminator Cobra, Mustang owners were limited […]
6.0L LS Truck Engine Tech: A Truck vs. TrailBlazer SS (TBSS) Intake Manifold Comparison Test
How much power is a TBSS intake worth over the O.G. Gen. 3 Truck intake? Seems like a test should be straight forward enough, just grab a test motor and […]