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Old 05-18-2026, 07:33 AM   #22
Kube
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Join Date: May 2010
Location: Wisconsin, USA
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Default Re: How to tell if a '40 was business or 5 window coupe

Quote:
Originally Posted by V8 Bob View Post
There were at least two '40 5-window coupe rear trunk brace designs. My early build has short side braces to the top of the wheel wells, similar to the business coupe.


I'm 99% sure the main difference between the business and 5 window coupe floor pans is the placement of the "L" shaped full width step panel leading to the trunk. If mine was flipped, the cabin floor would be extended and trunk floor shortened, just like a business coupe. The spare tire support would obviously have to be moved back as well, and adding an additional vertical support would complete the transformation to a business coupe.
You are correct in that there were two designs of body braces in the coupe. However, both were diagonal.
The business coupe always had one design, that being the very short diagonal braces to the wheel "well". Also, it always had the vertical spare tire braces.
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