Yes - both Pontiac Michigan and Kansas City used the Group 5 process, and both should have the 5N code on the cowl tag.
And - yes - 237375K6xxxxx looks like a 6 cylinder VIN to me.
6 cylinder cars started with 600001 and probably didn't go very high; V8 equipped cars started at 100001 and would go upwards over 200000.
VINs started from scratch at each respective assembly plant and there was no correlation between plants.
K
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'63 LeMans Convertible
'63 Grand Prix
'65 GTO - original, unrestored, Dad was original owner, 5000 original mile Royal Pontiac factory racer
'74 Chevelle - original owner, 9.56 @ 139 mph best http://www.superchevy.com/features/s...hevy-chevelle/
My Pontiac Story: http://forums.maxperformanceinc.com/...d.php?t=560524
"Intro from an old Assembly Plant Guy":http://67-72chevytrucks.com/vboard/s...d.php?t=342926
Last edited by Keith Seymore; 02-28-2023 at 05:10 PM.
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