Kartman01 Posted January 8, 2021 Share Posted January 8, 2021 i am hoping someone on the forum can help me with this. I am in need of the speedometer great that mounts in the back of the Dynaflo transmission next to the front u-joint. The gear has a chipped tooth and I am hopeful I can find a replacement. Attached are a couple of photos of the part. The number inscribed is a bit difficult to make out... it is: 7T 1340430 or maybe 1344099 I have tried Buick Farm and Old Buick Parts but have had no luck so far. Thanks in advnace for any help! Link to comment Share on other sites More sharing options...
Fr. Buick Posted January 10, 2021 Share Posted January 10, 2021 It's the Speedo worm gear, group 4.343, part #1340450, and the part carries across 1948-1952, all models with DF; and the 1953 Special with DF. Good luck! You need to ask somebody with a spare DF laying around. Link to comment Share on other sites More sharing options...
Bill Stoneberg Posted January 10, 2021 Share Posted January 10, 2021 Might try Jim Hughes in Ohio. He rebuilds Dynaflows. Link to comment Share on other sites More sharing options...
Bill Stoneberg Posted January 10, 2021 Share Posted January 10, 2021 Or ebay https://www.ebay.com/itm/Nos-GM-1948-1952-Buick-Dynaflow-Speedo-Gear-1340450-7-tooth-/112971282775 Link to comment Share on other sites More sharing options...
Kartman01 Posted January 11, 2021 Author Share Posted January 11, 2021 22 hours ago, Fr. Buick said: It's the Speedo worm gear, group 4.343, part #1340450, and the part carries across 1948-1952, all models with DF; and the 1953 Special with DF. Good luck! You need to ask somebody with a spare DF laying around. Thank you Fr. Buick! What is a 'DF'? I am not familiar with that acronym... Thanks a million for your help! Link to comment Share on other sites More sharing options...
Kartman01 Posted January 11, 2021 Author Share Posted January 11, 2021 4 hours ago, Bill Stoneberg said: Or ebay https://www.ebay.com/itm/Nos-GM-1948-1952-Buick-Dynaflow-Speedo-Gear-1340450-7-tooth-/112971282775 Hi Bill, thank you very much for the leads for Jim in Ohio and the ebay posting. I actually found the exact part I needed today, about 20 mins from my house. I am grateful for all of the help on the forum and for the person who helped me with the part today! 2 Link to comment Share on other sites More sharing options...
Bill Stoneberg Posted January 11, 2021 Share Posted January 11, 2021 2 hours ago, Kartman01 said: Thank you Fr. Buick! What is a 'DF'? I am not familiar with that acronym... Thanks a million for your help! In this case Fr. Buick means a Dynaflow. 1 Link to comment Share on other sites More sharing options...
Kartman01 Posted January 11, 2021 Author Share Posted January 11, 2021 9 hours ago, Bill Stoneberg said: In this case Fr. Buick means a Dynaflow. Ah! Got it! Thank you... I wasn’t certain if it was a part in the driveline or what! Link to comment Share on other sites More sharing options...
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