Articles written by: 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.

Head Games! A Double Test of Trick Flow’s CNC 185 Cylinder Heads for Small Block Ford
Tech Articles

Head Games! A Double Test of Trick Flow’s CNC 185 Cylinder Heads for Small Block Ford

Here is a simple question: Do cylinder heads help determine the effectiveness of your Ford combo, or, does the combo help determine the effectiveness of the heads? The reality is […]

Tech Articles / Tech Projects

Why Modify? 347 Small Block Ford Super Power

When it comes time to perform mods to your small-block Ford, gearheads have many choices. The choices include everything from basic bolts ons to pressurized power adders? Let’s not forget […]

Tech Articles

Longing For a Hemi? Does Intake Runner Length Matter

The question is, does length matter? The answer is a BIG yes, especially if we are referring to intake runner length! You see, runner length plays a huge role in […]

Tech / Tech Articles

Cleveland Show: Adding Nearly 100 HP to a Free-Breathing Ford 351C

Try this experiment: Mention four-valve (4V) Ford to a few fellow enthusiasts and see what discussion pops up. Oh, how quickly people forget! Time was when you mentioned 4V, people […]

Tech / Tech Articles

Little Man: Single-Plane vs. Dual-Plane Intake Manifold Test on a Carbureted 4.8L LS

The great thing about being an LS enthusiast is you don’t have to worry yourself with the petty problems that plagued the lesser Gen. I small blocks, right? Case in […]

Ford Engines

Testing a Junkyard Ford 5.0L Engine with New Top End Kit

It has always been my contention that the 5.0L Mustang saved Ford, or at the very least, Ford Performance. Prior to the introduction of the 5.0L, Ford was serving up […]

5.3 LS with MSD Atomic intake manifold
LS Engines

Testing HP Increase from ProCharger on 5.3L Iron Block LS Engine

What does every enthusiast have in common? No matter what car you drive, what motor you like, or how old you are, we all share the same desire to make […]

Tech Articles

The Easy Way to Make 820+ HP in a 4.8L Junkyard Pull

Never before have so many enjoyed so much for so little. Take a look around. We are smack dab in the middle of the second major Muscle Car era, and […]

Tech Articles

Dyno Test: 120+ HP Gains and No Low-End Loss with Cam Swap on 6.2L LS Engine

Why were we so excited about swapping cams on the all-aluminum L92? Many reasons. The first was that we had previously run the Summit Stage 4 Pro LS cam (SUM-8711) […]

Tech Articles

Dyno Test: Adding 120 HP with Cam Swap in Turbo LS 5.3L

LS engines respond well to cam swaps. It’s probably the #1 upgrade for any LS, because the gains can be dramatic. The reason is that the LS engine family, from […]