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Hello all, I am new to the forum and recently picked up a 1934 Buick. I am trying to determine the year of the engine and can't find any information. The engine number is 71522214 (located in front of distributor), pretty certain not the original engine as has downdraft carb. Any help on what year or information on what I am dealing with will be appreciated.
The serial numbers for 1934 engines are just under the 3 million mark. Your serial number is over 7 million. The last digit is a suffix indicating car series (-4 = series 40 Special).
Production of the final year for Buick straight eights (1953) began with engine no 6950620 and carried on through the run of about 220,000. So your engine is a '53 model 263 cid.
Series 40 Buicks in 1934 came equipped with a downdraft carb while series 50-60-90 cars had an updraft carb.