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Sunday, February 2, 2014

Hemi no more

Both chambers are roughly mirror images of each other.  Once I've machined new seats they will be installed along with new valve guides.  The chambers will be exactly matched for contour and volume after the valves are installed.  The intake valves will remain at their stock size of 42mm but the exhaust valves will go from the stock size of 40mm down to 38mm (more on this later).