5
●
If Teflon tape is used, loose tape must not enter
crankcase or oil passages. Do not apply tape to first 2-3
threads that screw into hole. If fittings are removed or
replaced be sure no tape shreds remain in holes. Tape
shred could block oil passages causing restriction of oil flow.
CAUTION - Restricted oil flow may result in extensive
engine damage not covered under warranty.
4. Piston Jet Installation
a. Apply a thin film of clean engine oil to new o-ring.
b. Seat o-ring in groove of piston jet mounting
flange.
c. With pinhole in the jet pointing upward, install
using two T20 TORX screws. Apply LOCTITE
243 Blue, then tighten to 20-30 in-lbs.
CAUTION - Piston jets must be installed using the
correct o-ring. Leaving out a piston jet o-ring, installing
too small of an o-ring, or pinching an o-ring at
assembly will cause oil to by-pass the jet, resulting in
low oil pressure.
NOTE - Always use a new o-rings when re-installing jets.
5. Transmission Oil Tank Fittings Installation
a. Remove the OEM fittings from the existing oil
tank.
b. Install S&S supplied fittings using LOCTITE
PIPE SEALANT 565. Tighten to 120-144 in.-lbs.
NOTE - S&S oil line, oil tank fittings, and oil conduit block
fittings have a larger diameter than OEM components.
CAUTION - Do not use the existing OEM oil tank
fittings with S&S oil line #50-8157. The OEM fittings are
not large enough diameter for the S&S oil line.
6. Oil Conduit Block And Oil Hose Installation
NOTES
●
For installations using a transmission mounted oil
tank,It is easier to connect the oil hoses between the
transmission and engine by installing the Conduit Block
after the oil hoses have been attached to the transmission.
●
Use only the supplied oil line to connect the engine to
the transmission oil tank. The supplied oil line is higher
quality and has a higher heat rating than common oil line.
The supplied piece is long enough for both inlet and outlet
oil lines. Cut as required
a. After engine installation, position oil hoses as
they will be routed, and mark for length.
b. Trim hoses as required.
c. Slide all four clamps onto hoses. (Two clamps
per hose.)
d. Attach oil hoses onto installed oil tank fittings
and secure with clamps.
NOTE - Installations must use supplied S&S oil tank fittings
instead of the smaller diameter OEM fittings.
e. Slide both conduit block fittings into the oil
hoses
f. Seat new o-rings in grooves of oil conduit block.
g. Secure o-rings in position with a dab of clean
grease.
h. Use 1/4"-20x2” hex head bolt to attach oil
conduit block to case. Tighten to 100 in.-lbs.
i. Secure hoses onto conduit block with clamps
See Picture 1
7. Crankcase Cylinder Studs
S&S Twin Cam style crankcases are shipped with cylinder studs
installed Before assembling engine, verify that the lower collar of
each stud is contacting the case deck, and that the studs are
torqued to 10 ft.-lbs.
a. Removal
1. Thread two 3/8”-16 nuts onto end of stud
and tighten them together.
2. Use a wrench on the lower nut to remove
stud.
b. Installation
1. Place a ball bearing into the end of a head
bolt then place the head bolt on end of the
stud without a collar.
2. Screw stud into the case, collar side down,
until collar contacts case. Torque stud to
10-ft.-lbs.
Use only S&S #31-2325 stud in
S&S Twin Cam style
crankcases. Threaded end with
collar is .230” shorter than OEM
studs (clearance requirements)
Picture 1
Conduit Block
Grade 5 bolt and washer
O-rings
Oil tank fittings
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