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1925 Studebaker Special 6 hole in engine?


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  • 1 month later...

Best I have been able to figure out is that it is for valve box ventilation.  Along with the slots front and rear. My 20 special six and the parts motors are all the same. So I assume that the hole is not an after thought  or latter addition.  It also show up in various pictures in the parts and service manuals. 

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In circa 1917 right hand drive Studebakers that hole is for the throttle shaft to cross over from driver's side to the carburetor on the passenger side. Not sure how the 1925 Studebaker Special Six engine linkages are set up but I would suggest that is what it is for.  The hole would not be used on left hand drive vehicles.

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