2022年6月15日 · It’s 1971, and the hot story surrounds the then-new DOHC small-block Chevy. It is believed that roughly 30 sets of heads were created, but there are no guesses as to how many actually made it to market.

2023年1月1日 · Richard Moser (left) and Harvey Crane, Jr., pose with the unique DOHC Moser Chevy. These two gentlemen have turned a dream into available reality. Richard Moser of Moser Engine CorK poration,...

2024年12月5日 · In the 1970s, the Moser DOHC Chevy 350 set itself apart with a bold and unconventional design. Its five-cam layout allowed for significantly improved airflow and power output over the standard small-block cylinder heads. Unlike standard production engines, the Moser design was a rare experiment in pushing small-block Chevy capabilities further ...

2020年11月26日 · Lotus had lots of experience designing high performance and race engines. So Reuss decided to meet with Tony Rudd of Lotus to use his expertise. Initial discussion was to design a DOHC 4-valve cylinder head that could be installed on …

2010年1月31日 · Single and DOHC heads have been designed for the SBC through the years- and in every case, they've not been successful. The problem is, there's just not enough performance gain for the complexity, expense and packaging issues involved, IMO.

The Moser conversion features four valves per cylinder and two cog driven camshafts per head. The heads were developed in 1971 as a high performance alternative to the standard single overhead conversions already on the market.

2019年10月25日 · OHC stands for Over Head Cam, or the camshaft is installed in the cylinder head. SOHC means Single Overhead Cam, while DOHC means Double Overhead Cam. Which one is better? It's always a heated argument. Muscle car fans will swear by an old-school pushrod, while younger car enthusiasts will say that nothing beats the twin-cam (DOHC).

2010年1月13日 · I'll start out with the probably the most well known of aftermarket offered traditional V-8 OHC heads, the Moser/Harvey Crane Jr, DOHC heads! DOHC cam, 4 valves per cylinder heads for the SBC short block. Dyno tested to as much as 11,000 RPM back in 1970! Mr Richard Moser bio; http://richardmoser.com/

2012年1月5日 · Does anyone have information on the history of Moser's DOHC Small Block Chevy Heads? The Moser heads were a masterpiece of engineering and a visual work of art (pre CNC machining) that never got their just due under the circumstances.

2022年9月29日 · OHV、OHC、SOHC、DOHC是汽车发动机的四种不同的配气结构。 具体来说： * OHV表示顶置气门底部的凸轮轴，即凸轮轴布置在气缸底部，气门布置在气缸顶部。 * OHC则表示顶置凸轮轴，即凸轮轴布置在气缸的顶部。 OHC是顶置凸轮轴正时表的链条配气。 * SOHC表示单顶置凸轮轴配气，如果气缸顶部只有一个凸轮轴同时负责进气门和排气门的开启和关闭，则称为单顶置凸轮轴 (SOHC)。 * DOHC表示双顶置凸轮轴气门系，一般有多个气门。 如果气缸顶部 …