Docfirewall Posted March 8, 2018 Share Posted March 8, 2018 This is the last major part i need to finish the restoration. ALSO does anyon e have a xrecommendatdion on dreplacilng the updraft carb with a down draft version for daily driving. Link to comment Share on other sites More sharing options...
Mark Shaw Posted March 9, 2018 Share Posted March 9, 2018 Doc, Post a photo and model info so I can tell if I still have a spare starter. Also, you can use a down-draft Rochester carb from almost any 50s Chevy six cylinder. Link to comment Share on other sites More sharing options...
carbking Posted March 9, 2018 Share Posted March 9, 2018 Suggested replacement downdraft carburetor: The 1931 series 50 Buick was a 221 CID 8 cylinder. There were many 6's produced in the 1950's and 1960's which used single barrel downdraft carburetors. Different individuals will prefer different models. Autolite, Carter, Holley, Rochester, Stromberg, and Zenith all made carburetors for 6's in the 210~235 CID range. GENERALLY, one from a truck is an easier conversion, as most trucks in the time frame were manual choke. But if you want an automatic choke, an auto choke carburetor may be adapted. Pick a carburetor make YOU or YOUR MECHANIC favor. My personal preference would be: Very good, and not expensive - Carter YF replacement for the 216 CID Chevrolet truck, Carter W-1 for 1941~18 Chevrolet OR auto choke carb for the 1950-up passenger Chevy Best, but more expensive - Stromberg or Zenith replacement for the 216 CID Chevrolet truck But I won't be doing the work. Jon. Link to comment Share on other sites More sharing options...
Docfirewall Posted March 12, 2018 Author Share Posted March 12, 2018 Attached is an image from the 1931 Buick Master Parts and Specification book showing the 1931 Series 50 Starter. I had the starter rebuilt 50 years ago and Comm end cap had been replace with a modern version. Should like to make it correct and have some back up parts as well. Link to comment Share on other sites More sharing options...
Dave39MD Posted March 12, 2018 Share Posted March 12, 2018 I believe the tag number will be 725N. It looks like the com end plate fits a few other units, its number way back was 820406. Dave Link to comment Share on other sites More sharing options...
Docfirewall Posted March 12, 2018 Author Share Posted March 12, 2018 Thanks Dave.. Now all I have to do do is find one. Link to comment Share on other sites More sharing options...
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