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  1. 5.0loco

    2 dead batteries and an alternator without an alibi

    So I changed out the stock alternator on my 1991 5.0l, but I didn't disconnect the battery because they were only two connectors (lazy I know). When Autozone checked my old alternator it was working but the bearing was probably going because you could hear/feel the difference versus the new one...
  2. 5.0loco

    Does your 5.0 overheat run hotter with underdrive pulleys??

    Hi guys I've got to change my alternator so I thought now would be a good time to throw on a set of underdrive pulleys. BUT I live in Phoenix where the temp hits well over 100f for 3 months straight. I know the underdrive pulleys slow down the water pump, has this noticeably affected anyone...