with the 150 series vin # being an a56-001001 for the 6 cyl and va-001001 for the 8 cyl . the 210 series b= 6 cyl and vb= 8 cyl also starting with 001001 . the belair being c-001001 for 6 cyl and vc-001001 for8 cyl. the engine # start with 01001z for 6 cyl and 01001g for 8 cyl. with this combination it would be impossible for all of the # to match .