Compression Ignition Addict
Join Date: Oct 2011
Location: Tehachapi, CA
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On each head there are 4 ports on the inside upper edge (sort of one for each cylinder). One of the ports on each side has the HP oil hose going to it (o-ring at the joint). On the driver's side front port, the ICP threads in with an o-ring to seal it. All the other ports are sealed with plugs (2 on driver's side and 3 on passenger side, O-rings for each of those). If you need part numbers for the O-rings:
High Pressure Oil Supply Fitting O-Rings
(Ford) 5C3Z-9N693-A, (International) 1823790C1 (o-ring for HPOP hose to pump joint)
(Ford) F4TZ-9N693-A, (International) 1815874C1 (o-ring for HPOP hose to head joint, plugs, and ICP)
If you do try to source your own O-rings, make sure they are Viton and not Buna-N. Cheers!
1997 F250 SC 4x4, E4OD, 4.10 LS, Basically Stock, Relocated Block Heater Plug, External Trans Filter, Tru-Cool Max, I/C Mounted but not Plumbed
SOLD - 1994 F350 CC DRW 2WD PSD, 5 Speed, 4.10 LS, SBC Con-O, Baldwin Filter, Tymar HPX Hose, DPPI DP, Bilsteins, $12 AIC, Coolant Filter, Explorer Overhead Console, A-Pillar w/ISSPRO Black Ice, EV Boost, and EV Pyro, Modified Pedestal, Gutted EBPV.