Sunday, October 20, 2013

B16a cylinderhead development pt5




this  angle  is for better visualizatin  on the work done (current unfinished state)

improving the overall  port transition from port entry to bowl/throat  to seat

currently :  bowl , throat and short side radii  work has been started



here's a picture from the chamber side  into the intake ports

better view of the bowl/throat  and the reshaping its taken for a better transition into the valveseats  

critical to note :   valve to throat  ratio is important  in targeting speciifc rpm range
                         and camshaft profile used  , without overshooting the size
                          and risk  lower torque result and less than desireable power figures

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