Cloyes Hex-A-Just 9-3172A (Chevy LS2 - Late, 3 Hub Cam Sp User Manual download pdf

April 27, 2009

Installation Instructions

9-3172A Hex-A-Just® True Roller Timing Set

BEFORE YOU BEGIN: READ ALL OF THESE INSTRUCTIONS FIRST !!!

Note: The installation procedures which follow assume that the engine has been disassembled

and cleaned as it would be for a normal timing set change.

YOU WILL NEED:

TOOLS:

1/4" Hex Bit Socket or Hex Wrench

Torque Wrench

Hammer

Sleeve to fit over crankshaft for installing Crankshaft Sprocket

Degree Wheel (Optional, but Recommended)

SUPPLIES:

Assembly Lube or Camshaft Lube

1. Prepare the Engine. Loosen all rocker arms so that the camshaft can rotate freely.

2. Clean everything! Make sure that the engine mounting surfaces and timing set

components are as clean as possible. The life of the chain and bearings depends on it.

3. Mount the Crankshaft Sprocket. Select the appropriate keyway for the camshaft timing

baseline desired. We recommend the Standard Timing position, which used the round

timing mark and round keyway mark. Carefully tap the sprocket onto the crankshaft using

a sleeve to protect the sprocket. Make sure that the sprocket is fully seated on the

crankshaft. Rotate the crankshaft until the appropriate crankshaft sprocket timing mark is

in the 12:00 position. Make sure that the number one piston is at top dead center.

4. Insert the Hex-A-Just

Timing Bushing.

Insert the offset bushing (with the Hex hole) into

the slot in the camshaft sprocket hub. Rotate it

with a 1/4" Hex Wrench so that the timing mark

on the bushing points away from the center of

the hub (Figure 1). The Hex-A-Just

Adjustable

Timing Bushing is infinitely adjustable so you

can fine adjust your engine's CAMSHAFT

TIMING to EXACTLY WHERE YOU WANT IT.

5. Install the Camshaft Thrust Bearing. Install the Thrust Needle Bearing on the back

side of the camshaft gear hub with the Black Side of the Bearing Toward the block.

Failure to do so will cause a severe wear issue!

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Installation Instructions 1

Summary of Contents

Page 1 - Installation Instructions

Page 2

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Cloyes Hex-A-Just 9-3172A (Chevy LS2 - Late, 3 Hub Cam Sp User Manual

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