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Did ARP make natural metal headstuds?... and a question on warren sticks
I have the 6.0L torn down and noticed the head studs (which were installed before I took ownership) are silver... not black like the ARPs I have seen (but they have the hex key drive recessed into the stud and 12 point 18mm nuts like ARPs). Did ARP ever produce studs without the black coating? Any other stud manufacturers out there?
Also, 3 injectors are showing weakness so I'd like to upgrade while the engine is out. I see guys running 155/stock injectors and I would like to do the same. Just wondering where you've purchased them and if you would do business again... and if you've had any problems. Also, how long should one expect to wait for injectors? It will most likely take 7-10 days for the machine shop to do my heads but I don't want to be without the truck for a month waiting on injectors.
'06 F250 FX4 6.0L/auto-studded, O-ring'd, deleted, turbo'd, inject'd, lifted.... typical bolt on