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OldRide Answers Home Using OldRide Answers Ask a Question   Browse Questions In: AMC Buick Cadillac Chevrolet Chrysler Dodge Ford Lincoln Mercury Oldsmobile Packard Plymouth Pontiac Studebaker Volkswagen Other Makes Classic Trucks  General Topics General Questions Help Identify Classic Car News General Restoration Vehicle Maintenance Site Suggestions & Comments            Search Questions:    hogbuoy      Help with engine identification. I have two sets of numbers near the timing cover.: 1. 29A121440 .....but a 11 was stamped over the 40 at the end so it could be 29A121440 or 29A121411; and 2. 0448245. I believe the last 7 digit number is the engine block code but I can't find the is number on any of the Pontiac identification legends. The 0448245 number has a YS below it. There is no displacement stamp on the engine. Beside the distributor A229 is stamped which I believe means the block was manufactured January 2, 1969. How could I find the displacement? posted: May 9, 2009       Answers (1)   pontiacsd      The YS was a 1969 Pontiac 400 4bbl. with Automatic, 350HP 455 Torque, most likely from a GTO? posted:  May 9, 2009

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