mfg Posted January 25 Report Share Posted January 25 What chronic problem in the Studebaker V8 engine did Stude engineers solve when the 'R' series of V8's was introduced? Link to comment Share on other sites More sharing options...
silverstude Posted January 25 Report Share Posted January 25 oil flowback from the heads Link to comment Share on other sites More sharing options...
mfg Posted January 25 Author Report Share Posted January 25 9 minutes ago, silverstude said: oil flowback from the heads Yep!... improved oil flow back to pan..accomplished in a variety of ways. Link to comment Share on other sites More sharing options...
mfg Posted January 25 Author Report Share Posted January 25 PS...I really shouldn't have said "chronic problem".... oil return to the pan wasn't a problem at all in day- to-day normal passenger car driving. High rpm use was another matter! . Link to comment Share on other sites More sharing options...
regnalbob Posted January 25 Report Share Posted January 25 This problem was corrected in mid 1961 production for V8 engines. Studebaker used a smaller oil passage in the rocker arm shafts to restrict oil to the top end and a larger drain hole in the heads to get the oil back to the pan more quickly. Link to comment Share on other sites More sharing options...
mfg Posted January 26 Author Report Share Posted January 26 2 hours ago, regnalbob said: This problem was corrected in mid 1961 production for V8 engines. Studebaker used a smaller oil passage in the rocker arm shafts to restrict oil to the top end and a larger drain hole in the heads to get the oil back to the pan more quickly. Correct..these mods enhanced the Avantis high speed potential...Other oil related modifications occurred when the 'R' series engines were introduced! Link to comment Share on other sites More sharing options...
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