Jerry Hey wrote:

Paul,  at the risk of "boring" everyone, I want  to post one more
drawing.  It shows what I hope will be the final outline of the
throttle body bore. The important changes are that the butterfly has
been increased in size to 1.650" dia.  The slope from the butterfly
bore to the outlet bore is depicted.  The larger butterfly is intended
to make up for the obstruction caused by the butterfly itself.   That
is it for at least a week.   Jerry

 
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