Dema Elgin of D. Elgin Cams and Allan Lockheed of Engine Expert are presenting the Performance Engine Technology Seminar on two dates, October 27-28 and November 3-4, at Jan Norris’ Precision Engine Machine Co. in Hyattsville, Maryland. The seminar will cover cam design, timing and flow requirements for various engines and intake systems, tailoring power curves, designing exhaust systems, balancing airflow and cylinder filling versus airflow and velocity, calculating air flow requirements versus rod length/engine speed/cylinder size/stroke length and other topics. More information is available from D. Elgin Cams, 53 Perry St., Redwood City, CA 94063, (650) 364-2187, FAX (650) 364-2268.