Brake mods and gas line cleanup
The transition from Tredle-vac to a modern power brake setup did not go as smoothly as I had hoped. The hookups worked OK but when I pushed down and the peddle the results were less than what I expected. After doing a lot of reading and finally calling a tech support person at Wildwood it turns out that the master cylinder bore is the key, complicated by the weird bellcrank setup for the Tredle-vac. The bellcrank makes it difficult to calculate the pedal ratio. The bellcrank setup is not unique to Hudson as other automakers that used the Tredle-vac units also had strange mechanisms. I gave some serious thought to removing the bellcrank, but that would just create other problems, What I was able to do was to adapt a 7/8" bore Wildwood non-power MC, changing from the 1" aluminum one I had installed. This made a huge difference in pedal feel and stopping distance. If I could I would have tried an even smaller bore but there are few options that are less than 7/8". I also took the time to insert an auxillary vacuum pump and clean up the fuel pump to carb lines with stainless steel.