One thing some of his casual fans may not realize is that Richard Holdener has not only done all the testing and tech stories for magazines and websites for decades, but has also done a LOT of R&D that you have seen come to life in products offered by the aftermarket. One place that really shines is with his intake testing. Unlike what you might expect, intake testing is often not glamorous but is sort of nerdy because of the variations tested. In order to test the theories of plenum volume, runner lengths, etc, Richard has built some pretty funny looking intake manifolds over the years and put them to the test. This is one of those tests. You are going to like this video, and you will learn something if you watch it all the way through. Tell us what you think.
HOW MUCH POWER IS PLENUM VOLUME WORTH? HOW TO MAKE DIY LS3 INTAKE MANIFOLD. MUCH POWER IS A CUSTOM INTAKE WORTH ON AN LS3? HOW MUCH POWER IS RUNNER LENGTH WORTH? DO DUAL-PLENUM INTAKES MAKE MORE POWER? ARE DUAL THROTTLE BODIES BETTER A SINGLE THROTTLE BODY? WHAT HAPPENS WHEN YOU SHORTEN RUNNER LENGTH? CHECK OUT THIS VIDEO WHERE I RAN A CUSTOM DUAL-PLENUM INTAKE EQUIPPED WITH DUAL 92-MM THROTTLE BODIES. THE CUSTOM INTAKE ALSO FEATURED ADJUSTABLE RUNNERS TO DIAL IN THE EFFECTIVE RPM RANGE. THE OTHER ADJUSTABLE FEATURE INCLUDED THE ABILITY TO EFFECTIVELY (MORE THAN) DOUBLE THE PLENUM VOLUME. CHECK THE RESULTS OF THE POWER GAINS AND ADJUSTABILITY VS A FAST LSXR INTAKE.