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  1. RetiringColt

    Lift pump pressure and injection pump timing

    Hello everyone. just had this rattling around in my head. I read about about an old McCulloch centrifugal supercharger installation and in it was a modification for the lift pump. They had put a hose port on the atmosphere orifice on the lift pump and routed it to the boost side of the...
  2. RetiringColt

    Bosch VE 10mm pump for ALH

    Hello everyone here goes my fird post! I have a early build 99 MKIV golf manual trans that has a leaking injection pump. It's coming from the 26mm triangular bolt. It's the one in the middle of the cast iron body in between the injector lines. The leak is about a drip every 3-4 seconds. Only...

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