1969 camaro X44 possibly a Big Block car need help!

[Cableguy1979]

I purchased a 1969 camaro x44 that seemed to be plain but on further inspection. It has a factory big block heater core and the plate on the driver side. Before I looked into the car I sent it to a body shop to put lower quarters in but otherwise a pretty solid car. Is there a way to look up the vin to see if it's a yenko copo or zl1? I know there is no way I get lucky but the car is since been fitted with a small block and suspension modifications so I can really look into some of the other things. I thought it was weird hours after I bought the car he was offering to buy it for a lot more and even threatened legal action. The car is in the body shop now so I'll have to call him to get any other info. It's also a muncie 4 speed car.

Vin#

Cowl tag

ST69 12437 NOR252754
711. 52. F
02A. X44