Quote:
Originally Posted by tomas_maly
How come the shims don't need a hole in the middle? I am looking at the FSM diagram and it looks like the fuel goes directly through the middle until it reaches the nozzle insert/spacer (the last thing before the nozzle).
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The fuel is routed through a bore in the wall of the upper injector half. The FSM drawing is potentially misleading in that regard. Return fuel is the only fuel that sees the center cavity.
Quote:
Originally Posted by tomas_maly
Are the OEM shims (from original injectors) different in size, or are they all the standard thickness?
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There is no "standard" shim thickness. They are fitted "as required" to attain the desired pop pressure.