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My 1980 California Emissions Compliant 4.9 300 I6. Note that my truck may have an unusually high number of vacuum hoses, most likely due to the California Emissions Package in 1980.
Off topic but in the first and second picture, what is the "blue" accessory with the pulley on it on top of the altenator? My truck has is also but there is no belt to it and im not sure what it is.
Off topic but in the first and second picture, what is the "blue" accessory with the pulley on it on top of the altenator? My truck has is also but there is no belt to it and im not sure what it is.
A.I.R. pump or "smog pump" depending on who you ask. Injects fresh air into the exhaust system to help burn off any unburnt fuel.