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FIGURE 1
OIL FILTER BYPASS
VALVE
Unpack The Engine
Before unpacking the engine have an area set aside to assemble the engine. This area must be clean, uncluttered, well light, and
available for several days to assemble the engine. Read this publication first before opening any boxes or assembling the engine.
Carefully unpack the parts from the engine crate. Lay the parts out and verify that no parts are missing. Contact your dealer if
something is missing. In order to assemble this engine you will need some special tools; a recently calibrated torque wrench, an
engine stand, and an engine hoist. If you don't own these tools you can usually rent them at your local rental center. The other tools
that are needed are listed in the tools section of this publication. The list of components contained in this package can be found on
pages 14 and 15.
Clean The Engine Parts
Clean loose parts like the push rods, the rocker arms, the rocker arm nuts, the rocker arm balls, and the oil shield prior to assembly.
Assemble The Base Engine And The Deluxe Engine Common Components
Install The Cylinder Heads
1. Bolt the short block to an engine stand or use the shipping crate as an engine stand.
2. Place the head gaskets on engine. See Figure 2.
3. Separate the cylinder bolts and the washers for the cylinder heads on your workbench. You will need four 2" bolts, eight 4"
bolts, four 5" bolts, and 16 washers for each side. Put one washer on each bolt. There will be eight extra washers and eight
extra 4" bolts.
4. Install one cylinder head at a time to the engine short block.
5. Lightly coat the threads of the cylinder head bolts with oil as you use them to attach the cylinder head. Thread sealer is not
needed for this engine because all of the head bolt holes are blind tapped holes
6. The 2" bolts are used in the holes along the bottom edge of the head. The 5" bolts are used in the holes near the exhaust ports.
Use the 4" bolts in the remaining holes. Hand tighten all of the bolts. See Figure 3.
7. Tighten the bolts alternately per the sequence and pattern shown in Figure 4. Apply torque in 25 ft-lbs increments over two
with the third repetition to the final tightening specification. The final tightening specification for the 2"
repetitions
bolts is 65 ft-lbs. The final tightening specification for the 4" and 5" bolts is 75 ft-lbs. A re-torque is recommended
after the initial warm-up and cool-down.
8. Repeat steps 4-7 for the opposite cylinder head.
FIGURE 2
GASKET MATING SURFACES TO BE FREE OF
502/502 Big Block Chevrolet Engine Pkg.
TITLE
OIL COOLER BYPASS VALVE
BLOCK ASSEMBLY
OIL AND FOREIGN MATERIAL
PIN
OIL FILTER BYPASS VALUE
OIL COOLER BYPASS VALUE
BLOCK ASSEMBLY
HEAD GASKET
PIN
BLOCK ASSMEBLY
12368083
REV 16JA15
PART NO.
SECTION A-A
LEFT HAND SHOWN
RIGHT HAND TYPICAL
3
63
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