Regarding the torsion tube bracing, I believe the factory started welding in the gussets with the G-Series chassis (my '73 does not have them, the '77 does). See these posts/threads for more info:
http://forums.pelicanparts.com/7376534-post470.html
http://forums.pelicanparts.com/porsche-911-technical-forum/641654-torsion-tube-failure-repair-project.html
If you need photos of the gussets on the '77 let me know - I may have photos that show them.
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'73 911T RoW (Project)
'77 911S 2.7RS
'76 914 2.0
Early911SReg #2945
Last edited by frankc; 09-21-2020 at 09:37 PM..
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