
STC External Oil Plumbing - Installa-
tion
Connect the following lines to the STC oil control valve
and tighten them to the specified torque:
1. Fuel pressure sensing line - 9.5 N•m [84 in-lb]
2. Oil outlet line to tappets - 13.6 N•m [120 in-lb]
3. Oil vent line - 9.5 N•m [84 in-lb]
4. Oil supply line - 13.6 N•m [120 in-lb]
Install the check valve retaining clamp and check valve
on the cam follower stud.
Torque Value: 47 N•m [35 ft-lb]
The check valve must be installed so the stamped arrow
points in the direction of oil flow (from the oil rifle to the
STC valve).
Install the external oil manifold using new o-rings. Lubri-
cate the o-rings and the manifold connector bores with
vegetable oil.
Install the external oil manifold hold down capscrews.
Tighten the capscrews.
Torque Value: 12 N•m [105 in-lb]
Installthe manifold clips,capscrews, and spacers.Tighten
the capscrews.
Torque Value: 41 N•m [30 ft-lb]
Install the intake air tube and elbow if removed.
Torque Value: 34 N•m [25 ft-lb]
Remove the plug from the supply line and connect the
supply line to the external oil manifold.
Caution: Hold the oil manifold fitting hex with a backup
wrench while installing the supply line to avoid damag-
ing the manifold.
STC External Oil Plumbing - Installation Engine Assembly (00-02)
N14Page 0-130
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