Hpfp replacement

6.4f450

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I got my new hpfp installed and have been cleaning pieces to put back togeather. I took the plugs out of the fuel rails to wash them out and was wondering if anyone knows what to torque the plugs to? also what is the best way to clean out the fuel return ports in the heads? I have the injectors out. Thanks
 

DEEZUZ

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You're supposed to flush the heads with the injectors in the heads to clean return side
 

6.4f450

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I can put them back in before I send them out. How should I flush it out once I put them back in. Brake cleaner? Thanks
 

DEEZUZ

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No. Everything should be cleaned and flushed with clean diesel. Follow the return line from bowl to rear of engine where it's joined by a T. Separate from the T, 13/16s nut I think. Then push fuel through with rear fuel galley plugs out of the heads.
 

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