Help with vacuum lines
Ok so I need help to figure out exactly which lines I need where I live we have absolutely no emission testing so I only need the bare minimum my motor is a 454 casting number shows it to be 1975-1987. I do not have any egr stuff, efe stuff or a diverter valve. Which leads to my question do I need the efe or diverter valve do I need a vacuum canister or can I just run the Pcv,the line coming from the distributor to the carb, the line coming from the booster to the intake, and the vacuum line coming off my th400
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