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FIGURE 22
BOLT
CLAMP
INTAKE MANIFOLD
ASSEMBLY
FRONT
6. The collar of the distributor shaft will rest on the intake manifold when the distributor is install correctly and fully engages
the oil pump drive. If the collar does not touch the manifold the distributor is not engaging the oil pump drive. Remove the
distributor. Insert a long flat blade screwdriver into the oil pump drive and rotate the drive slightly. Reinstall the distributor.
Repeat this procedure until the collar rests on the manifold.
7. Install the hold down clamp and the bolt of the hold down clamp. See Figure 22. Torque the bolt to 25 ft-lbs.
8. Install the distributor cap.
9. Plug the power and the tachometer connectors into the distributor cap. They will only go in one way.
10. Gap the spark plugs to 0.040". Apply anti-seize, part number 12371386, to the threads of the spark plugs. Install and torque
the spark plugs to 20 ft-lbs.
11. Remove the lower bolts from both of the rocker arm covers. Install the supports for the spark plug wires with the removed
bolts. Torque the bolts to 70 in-lbs. Starting at the front of the engine install the smallest retainers first then install
progressively larger retainers towards the back of the engine. Slide the retainers on to the supports so that the detents of
the supports snap into the holes in the retainers. See Figures 23-24.
12. Identify the spark plug wires from the chart below.
CYLINDER
1 34"
CYLINDER
3 37"
CYLINDER
5 29"
CYLINDER
7 23.5"
The 90° boots go on the distributor cap terminals and the 135° boots go on the spark plugs. Install the spark plug wires
one at a time by pushing and twisting the boots to ensure that the terminals snap securely over the spark plugs and the
distributor cap terminals. Start with cylinder number one and install the remaining spark plug wires in the firing order of 1-8-4-
3-6-5-7-2 clockwise around the distributor cap. See Figures 25-26.
502/502 Big Block Chevrolet Engine Pkg.
TITLE
DISTRIBUTOR
ASSEMBLY
GASKET
ALL GASKET MATING SURFACES TO BE
FREE OF OIL AND FOREIGN MATERIAL
CYLINDER 2
43.75"
CYLINDER 4
35.5"
CYLINDER 6
30.5"
CYLINDER 8
28.5"
REV 16JA15
FRONT
NUMBER 1 TERMINAL
12368083
PART NO.
DISTRIBUTOR
ENIGINE
VIEW A
12
63
SHEET
OF
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