Engine markings

[SuperST8]

did buick stamp the early 50s motors if the bore was oversize???what would the location be????Thanks DK

[charley]

I may stand corrected but I think it was on the oil pan rail on the block.

[krinkov58]

Not entirely sure but I think this was indicated by a dash after the engine number...the 263's number was to the right of the distributor, the 320's was to the left.