Isn't your build date on your ID tag?
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build date 07/04
vin # 6G2VX12GX4L305776
does that let you know what the engine date is or just the car?
i never noticed til just now that right in the door it says manufactured by Holden car company for GM
Rule of thumb is to subtract 10 months from your build date (on your tag) and you have the build date of your motor.
You too man....