Porsche GT4 dyno sound test The Porsche 718 GT4 RS is tested on the dyno, revving to 9000rpm with its 4.0 naturally aspirated flat six. This video compares JCR and Akrapovic exhaust systems, ...
A very good friend of mine, noted engine guru, and PHR contributor David Vizard, was once being queried about some aspect of engine theory. The interesting part of the exchange was when the fellow ...
Starting engine dynamometer pulls at low rpm is hard on the dyno and hard on the engine. Today, engine dynamometer testing is an integral part of many HOT ROD engine buildups and product tests.