From reading identification methods this appears to be a 225 ci engine.
which a 1967 v6 engine should be.
the 231ci didn't exist until Buick introduced the 350ci in 1968. previously, the 225 had used the bore of the 340ci and the stroke / deck height / bore of the 300ci ( 225 being 6/8 of 300 ). once the 300ci and 340ci were retired in 1968, the v6 was bumped up to 350s larger bore and that's where the extra 6 cubes comes from.
this allowed the v6s to be sent down the same machining lines as the small block v8s.
how do I determine if this is a Kaiser manufactured engine or a GM manufactured engine.
...
I would also like to know what year it was manufactured.
a GM engine should have a two letter engine code stamped on the deck of the block between the #1 and #3 spark plugs. that will tell you year and application.
and Buick v6 from 1967 should be stamped 'NH'.
https://www.teambuick.com/reference/...ine_number.php
the block number is K130023
IF this is a partial GM VIN, the K would designate a Kansas City, MO car and the last 6 digits would match the VIN of the car it came out of.
in 1967 the VIN did not code the engine that the car was equipped with, beyond the odd numbered series indicating a 6 cylinder car.
https://www.teambuick.com/reference/years/67/67_vin.php
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