here are two main camps for the spark timing of a dual plugged airhead engine. Both seem in rough agreement that timing should be retarded to about 28 degrees at maximum advance compared to the stock BMW timing specification of 32 degrees. This retardation of the spark (compared to the stock setting) is necessary […]
e’re off to the big white dyno at Lake Gairdner for speedweek 2015. The image is of Brett Destoop, fastest man in Australia…… and the world in the APSF-1000 category. 232 MPH (371 km/h) Lake Gairdner. Thanks to Simon Davidson for allowing me to feature his image. You can see more of Simon’s work at […]
usually do what the voices in my partner’s head tell her to tell me to do. For once, my own head had something to say: ‘Stop wishing you had a dyno and build one! You’re a k’n engineer for Heaven’s sake!’ And so it started…. There are two types of dyno: the inertia or rolling […]