Mad-town ya say! I was there in the '80s for a couple years... little fuzzy around the edges though.
Even though we are polar opposites, I can appreciate all the detail and labor you put into that.
"Missile launch and oil slick switches" Ha-Ha!
Here is some ideas for the additional length on the chain...
Tensioners
Good luck to you.
I think you'll like this GL "Ol' Sparky" and it's build thread
HERE very good detail on how the rake the stock frame.
81 Honda CB750C - Current Project
67 BSA Spitfire MkIII - Next Up (Full Resto)
81 Honda GL1100 - Bob / CafeĀ“
80 Suzuki GS750L - Bratstyle
72 Honda CB450K5 - Basket Case
73 Honda CB350F Cafe' (Gone but not forgotten)
Don't wait for opportunity to knock... kick the door down and drag the old harlot in!