https://www.gnarpowpow.com/tags/valvetrain/ Tue 05 May 2026 02:37:04 +0200 https://www.gnarpowpow.com/videos/19230/creating-the-sml-cylinder-head-part-3/
Steve Morris keeps hashing out the new SML cylinder head design on the Centroid CNC. Watch to see what makes this new cylinder head special and why the SML engine is special as well. https://www.enginebuildermag.com/ https://www.stevemorrisengines.com/ ]]> Wed 22 Jun 2022 10:36:34 +0200 https://www.gnarpowpow.com/videos/19230/creating-the-sml-cylinder-head-part-3/ https://www.gnarpowpow.com/videos/19255/understanding-camshafts-part-3-cam-design/
Now that Steve has run through lobe shapes and cam cores, you're ready to put it all together in order to understand what goes into designing a custom camshaft, and the reasons behind certain decisions. ]]> Sat 29 Jan 2022 10:39:28 +0200 https://www.gnarpowpow.com/videos/19255/understanding-camshafts-part-3-cam-design/ https://www.gnarpowpow.com/videos/19257/understanding-camshafts-part-2-cam-cores/
There's a lot of detailed information that comes with camshaft selection, but core size is one of the more important aspects as it dictates several other specifications of the cam itself. Steve explains in this episode. Stay tuned for the final Part 3 video on camshafts. ]]> Thu 23 Dec 2021 10:39:47 +0200 https://www.gnarpowpow.com/videos/19257/understanding-camshafts-part-2-cam-cores/ https://www.gnarpowpow.com/videos/19259/understanding-camshafts-part-1-lobe-shape/
The camshaft is to an engine as a conductor is to an orchestra. A lot rides on having the proper camshaft selected for your engine application. In Part 1 of this Steve Tech on camshafts, Steve Morris discusses lobe shape and the importance of choosing the right shape for your expected performance goals. Stay tuned for Part 2 & 3 on camshaft design. ]]> Sat 18 Dec 2021 10:40:05 +0200 https://www.gnarpowpow.com/videos/19259/understanding-camshafts-part-1-lobe-shape/ https://www.gnarpowpow.com/videos/19262/understanding-rocker-arm-tech-part-3/
In the previous two rocker arm videos, Steve Morris discusses rocker arm styles and types and the different rocker arm stands that there are. In this episode, he discusses rocker arm geometry and its impact. ]]> Mon 06 Sep 2021 10:40:36 +0200 https://www.gnarpowpow.com/videos/19262/understanding-rocker-arm-tech-part-3/ https://www.gnarpowpow.com/videos/19264/understanding-rocker-arm-tech-part-2/
In part 1 of this 3-part series on rocker arms, Steve discussed different rocker arms and rocker arm stand set ups. In this video, he goes over the rocker arm styles and what you should be looking for depending on your application or horsepower goals. ]]> Mon 30 Aug 2021 10:40:54 +0200 https://www.gnarpowpow.com/videos/19264/understanding-rocker-arm-tech-part-2/ https://www.gnarpowpow.com/videos/19266/understanding-rocker-arm-tech-part-1/
In this episode of Steve Tech, Steve Morris breaks down the fundamentals of rocker arms, rocker arm stands and valvetrain rocker arm geometry. Class is in session! ]]> Tue 24 Aug 2021 10:41:10 +0200 https://www.gnarpowpow.com/videos/19266/understanding-rocker-arm-tech-part-1/ https://www.gnarpowpow.com/videos/19274/what-you-need-to-know-about-pushrods/
In this episode of Steve Tech, Steve Morris of Steve Morris Engines talks about pushrods and what attributes you want to see in pushrods and what the effect of pushrods are in the valvetrain. ]]> Mon 29 Mar 2021 10:42:51 +0200 https://www.gnarpowpow.com/videos/19274/what-you-need-to-know-about-pushrods/ https://www.gnarpowpow.com/videos/19276/don-t-drop-that-valve/
In this episode of Steve Tech, Steve Morris tells you more about your engine's valves and lash caps. ]]> Mon 11 Jan 2021 10:43:26 +0200 https://www.gnarpowpow.com/videos/19276/don-t-drop-that-valve/ https://www.gnarpowpow.com/videos/19277/valves-retainers-keepers-locks-oh-my/
In this episode of Steve Tech, Steve Morris breaks down all the bits and pieces you need to understand about valves and how retainers, keepers and locks play a vital role. ]]> Mon 04 Jan 2021 10:43:40 +0200 https://www.gnarpowpow.com/videos/19277/valves-retainers-keepers-locks-oh-my/ https://www.gnarpowpow.com/videos/19278/understanding-valve-springs-part-2/
In this episode of Steve Tech, Steve Morris picks up from the Part 1 video to explain what you need to know for proper valve spring set up and how to prevent spring surge. ]]> Mon 21 Dec 2020 10:43:56 +0200 https://www.gnarpowpow.com/videos/19278/understanding-valve-springs-part-2/ https://www.gnarpowpow.com/videos/19279/understanding-valve-springs-part-1/
On this episode of Steve Tech, Steve Morris of Steve Morris Engines gives you info about the proper way to select your valve springs, set up your valve springs and some common misconceptions. Stay tuned for Part 2. ]]> Mon 14 Dec 2020 10:44:10 +0200 https://www.gnarpowpow.com/videos/19279/understanding-valve-springs-part-1/