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Engine code decal

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Old May 3rd, 2017, 09:04 AM
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Engine code decal

Can someone tell me the correct engine code decal on the oil filler tube for a 72 CS 350, 4bbl, a/c and A/T Hurst dgs please ? Mine says QU and that can't be right ....
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Old May 3rd, 2017, 09:27 AM
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Are you certain the second letter is a U? This site says QJ for a 350-4bbl but also shows QK for 350-4bbl with AC.

http://www.442.com/tech/enginecodes.html

From this old thread the color of the letters may indicate an original tag vs a repro:
https://classicoldsmobile.com/forums...fill-tube.html
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Old May 3rd, 2017, 01:14 PM
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I checked the build sheet. It is a QK. The previous owners must have put the wrong decal on at some point. Thank you for responding.
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