Help with vacuum line routing
 

Hello all,

I recently bought a 1985 RX-7 GSL with the 12a. I'm currently trying to figure out how the vacuum lines are routed as I bought the car with the lines all fucked up. I've been reading the Haynes manual but I'm still having difficulty. The idle is high (around 1200 RPM) and I can hearing hissing coming from the rats nest when I shut the car off. Also what can I do about the hard lines that the vacuum lines run to? Mine are very corroded. I appreciate any help in advance.
https://cimg7.ibsrv.net/gimg/www.rx7...c2e08a4eae.jpg
https://cimg5.ibsrv.net/gimg/www.rx7...7f264d20cb.jpg

https://cimg1.ibsrv.net/gimg/www.rx7...efe385da7c.jpg

https://www.rx7club.com/1st-generati...color-1006949/