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Install The Engine In The Vehicle
1. Verify that the engine mounts, the engine mount bolts, the belts, the pulleys, the hoses, and the cooling system are in
proper working condition. Replace any component that is not in proper working condition.
2. Please see your local Chevrolet dealer for any additional components that maybe needed to complete this engine
installation.
3. Review your vehicles cooling system to ensure that it has enough capacity for this engine.
Prime The Engine
1. Install a PF1218 ACDelco oil filter, part number 25160561, purchased separately.
2. Check the engine oil level prior to priming the engine. Add 10W30SG oil if needed.
3. Insert the oil pump priming tool into the distributor hole of the intake manifold. Connect the priming tool to the oil pump
shaft.
4. Connect a 1/2" drill motor to the top of the priming tool.
5. Use the drill motor to rotate the priming tool clockwise. Prime the engine for a couple of minutes while a helper uses a
wrench to rotate the crankshaft clockwise.
Install The Ignition System
1. Check the vehicle's power and tachometer leads to see if they are the correct connectors to mate with the 502 distributor
cap and will be long enough to reach the cap when the distributor is installed. Remove the ballast resistor or resistance
wire, if your vehicle has it, to ensure a full 12 volts to the ignition from the ignition switch. If your existing power and
tachometer leads are not long enough or if they are the wrong type of connectors, the pigtail connectors supplied with the
engine package will be needed. Before soldering the wires to your vehicle's existing wiring ensure that the wires will be
long enough to reach the distributor cap when installed. If the wires will not be long enough add wires of the same gage
and color and splice them into the wires.
2. This step maybe easier to do with a helper. Rotate the engine crankshaft clockwise with a wrench and socket while holding
a finger over the number one spark plug hole until compression is felt. Continue to rotate the crankshaft until the timing
mark on the balancer shows approximately 8° before top dead center.
3. Remove the distributor cap from the distributor. Place the distributor gasket onto the distributor shaft.
4. Hold the distributor cap in the installed position above the distributor to verify that the rotor is aligned with the number one
terminal on the distributor cap. The number one terminal on the distributor cap is the second terminal clockwise, when
viewed from the top, from the power and the tachometer connectors. See View A in Figure 22. If necessary rotate the
distributor shaft by hand to align the rotor with the number one terminal.
5. Pour EOS over the distributor gear. Install the distributor into the engine, so that when the distributor cap is installed the
power and the tachometer connectors are perpendicular to the center line of the engine. See Figure 22. The distributor
must be installed in this position to ensure that the supplied spark plugs wires will fit properly.
502/502 Big Block Chevrolet Engine Pkg.
TITLE
12368083
REV 16JA15
PART NO.
11
63
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