2carb40 Posted September 7, 2022 Share Posted September 7, 2022 Is the casting number on a '46-'48 320" str 8 behind the lifter/pushrod side cover or, if not, where? Not asking about engine serial number, the raised casting number on the block. THANX! Link to comment Share on other sites More sharing options...
pont35cpe Posted September 7, 2022 Share Posted September 7, 2022 Have you looked, side of block, behind starter? Just guessing. That`s where located on my small str 8 engine, and numbers are rather low profile, easily hidden by dirt/grease build-up. Link to comment Share on other sites More sharing options...
2carb40 Posted September 7, 2022 Author Share Posted September 7, 2022 (edited) The car, [1941 Century], is finally running great after frustrating fight to find out it had a bad radiator. Im trying to see if I can find out exact year as Its an RExxxxxx engine stamped down by the starter. The stamping on serial number pad was obviously done at home with hands as shakey as mine and not complete! Not ready to disassemple parts right now{ heat wave}. Want to start my shakedown cruise soon! It has insert bearing connecting rods and there is a 'boss' cast at the front driver side, which is where the 90 degree elbow connects to the water pump. The bosswas not machined, I think becuz it would work for early and later 320s, by drilling and tapping for the elbow connection on the years requiring that. Im thinking casting number as my Hollander manual shows block casting numbers by year built. Any Buick print info or other on these RE engines appreciated. Thanx in advance! My gosh! thats not how it looked b4 hitting SUBMIT! Edited September 7, 2022 by 2carb40 (see edit history) Link to comment Share on other sites More sharing options...
Ben Bruce aka First Born Posted September 7, 2022 Share Posted September 7, 2022 Have you looked behind the water pump for an "original" motor number? May not be there if a replacement engine. Worth checking, maybe. Ben Link to comment Share on other sites More sharing options...
2carb40 Posted September 7, 2022 Author Share Posted September 7, 2022 Not taking things apart after all the effort to finally get it drivable, but THANX for responding! Link to comment Share on other sites More sharing options...
2carb40 Posted September 10, 2022 Author Share Posted September 10, 2022 Hello, hello,hello......hmm Link to comment Share on other sites More sharing options...
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