KHR Posted May 14, 2021 Share Posted May 14, 2021 I am restoring a Studebaker and have a perfect, non threaded hole on the curb side of the motor. Why and what is it for? Link to comment Share on other sites More sharing options...
Stude Light Posted May 15, 2021 Share Posted May 15, 2021 Hmmm. Wonder what caliber that is? 1 Link to comment Share on other sites More sharing options...
STUDE48 Posted June 20, 2021 Share Posted June 20, 2021 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. 1 Link to comment Share on other sites More sharing options...
Stude17 Posted June 22, 2021 Share Posted June 22, 2021 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. 1 Link to comment Share on other sites More sharing options...
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