The 300d non turbo came with the 3:46 gear. Maybe someone put in a speedo from the 300d non turbo not knowing the difference. Did you check against the mile markers?

The hash marks on the speedo for maximum engine speed will tell the tale of which rear end they are for.

204ds all came with the 3:69 rear except the limos which were never brought here, or the cars equipped with the 15" wheels and tall suspension for extra ground clearance which came with the 3:92.

Tom W

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[SIGPIC] Diesel loving autocrossing grandpa Architect. 08 Dodge 3/4 ton with Cummins & six speed; I have had about 35 benzes. I have a 39 Studebaker Coupe Express pickup in which I have had installed a 617 turbo and a five speed manual.[SIGPIC]

..I also have a 427 Cobra replica with an aluminum chassis.