the 914 numbers expert is David Pateman - he will tell you exactly where to find the factory oem numbers
- look him up in the member section
fwiw - some 914's have a stamped VIN under the dash - on the 914 it is above the ash tray, - it's a bitch to see - take out the entire ashtray & mounting part and get some mirrors and a really bright light
I can tell you for sure that 9140433394 caries a "stamped in steel" number in this location on a tab above the ashtray
here is a picture of the
location of one of these under-dash stampings
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Click to view attachment I did a good search over the area above the ash tray and found no stamped numbers.
I'm sure that it's a 914/4.
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how the factory got that stamped up in there is anybody's guess - but i'll guess it was done prior to the dash being welded into the shell
David will also direct you to find a production number (not VIN) stamped in the trunk
- but apparently not all cars have this, and maybe not all cars have the stamped number above the ashtray
- Porsche-Karmann made a lot of running changes in body production etc over the 6 yrs that are simply not documented, and for which there is no authoritative source beyond each of our personal observations
go look on the originality thread - those guys are much more attuned to this oem numbers issue
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p.s. = after you discover the true number - don't go rushing to validate it with the CHP - they may discover it was a stolen car