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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.
