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direct injection

  1. Direct Injection, Catch Cans, & Oil Changes

    Mustang EcoBoost Maintenance
    Hi all, I'd like to get your opinion, on what the proper solution for DI engines are, when it comes to carbon buildup on the back of the valves. For those unaware of the phenomenon, please google "direct injection vs port injection", "oil catch can purpose", "primary crankcase ventilation", and...
  2. New Fuel Additive Fuel Injector Pro

    Mustang EcoBoost Discussions
    I read online this new fuel additive called Fuel Injector Pro, it claimed to be for GDI engines so i figured I would give it a shot as i tried most of the other big brand names you can buy on a store shelf and felt no difference whatsoever. Well, I figured this one would be the same way, but...