1st Generation 1964 1/2 - 1973 - Questions & general discussions that apply to a specific year > 1964 1/2 - 1965

1965 Mustang NOS gas cap marking

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6T6mustang:
I have a '65 gas cap in an autolite box with instructions for installation instructions. It's marked WS with a circle around it. Can anyone tell me what the WS stands for?

Thanks!

CharlesTurner:
You're reading it upside down, it really is "SM", which is for Stant Manufacturing or some likeness to the Stant company.

6T6mustang:
Ah, makes sense.  I also have a '66 NOS gas cap in a Ford box but it is marked autolite on the back.  Any idea why the change between Stant and Autolite?

CharlesTurner:
Not sure why they went to the Autolite stamping.  I would suspect it had something to do with a change in manufacturer.

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