JoelsBuicks Posted March 27, 2014 Share Posted March 27, 2014 In the Buick Buy/Sell Forum there's a '31? Motor and tranny being offered. I am interested in these parts and the posting's information, excerpted below, should allow for someone to identify this as the correct motor and transmission for my 31 Model 67. Unfortunately, my car had a later model 248 and trans installed and I'd like to go back with an original drivetrain.Can someone tell from the numbers below if this motor and transmission is for a 31 Series 60 car? There's pics in the Buick Buy/Sell forum.The Seller writes: "I think I have someone that can use the motor and transmission, but I'll put some numbers and dimensions out there so hopefully some experts can verify the motor a little more. I don't want the buyer to end up like I did with a misidentified motor.The engine serial number is 2734231So I checked the exhaust manifold casting number of 1239956 in my Buick parts book and it says 1931-1932 series 60. The cylinder head has a #1241826 but I don't see this in the parts book.The valve covers measures about 31" long and the spark plug cover about 30" longI could only find a casting number on the tranny case of 1240800-3 or 8, and I can't find that in my parts book.The previous owner of the car the motor came out of says it was a 118" wheel base.So with all that being said can anyone help to verify the motor as a 60 series 272ci for 1931? Just your opinion of course. We would appreciate it."Thank You, Link to comment Share on other sites More sharing options...
midman Posted March 27, 2014 Share Posted March 27, 2014 Pics Link to comment Share on other sites More sharing options...
50jetback Posted March 27, 2014 Share Posted March 27, 2014 1931 engine numbers ran from 2624638 to 2751921 ( Standard Catalog of Buick 1903-1990 ) so it is definitely a 1931 engine. The seller confirms it is not the larger 344 cid engine so it can only be a 220 cid ( Series 50 ) or 272 cid ( Series 60 ).My parts book shows the following no's for manifoldsGroup 3.601 MANIFOLD, exhaustPart No 1252989 1931-32 Series 50Part No 1239956 1931-32 Series 60Part No 1239924 1931 Series 80 - 90Hope this helps with your decision Link to comment Share on other sites More sharing options...
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