Meaning of letters on frame?

Chamba

Not obsessed: Focused.
Member
City
Vero Beach
State
FL
Hi guys.

I just dropped my fuel tank to put in a Holley in-tank pump and I found the production date on the frame crossmember above the tank.

Does anyone know what the 90 AW means? I assume it's some sort of production code but I can't find it on the history sites or on a general Google search.

Thanks.
 

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Chamba

Not obsessed: Focused.
Member
City
Vero Beach
State
FL
Old post, but I still have not found out what this means. Anyone?
 
Last edited:

Chamba

Not obsessed: Focused.
Member
City
Vero Beach
State
FL
That's a relief. I was worried it was an LBW......
 
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