Msd 8546 Chrysler 426,440 Pro-Billet Distributor Insta User Manual download pdf

WARNING: Before installing the MSD Distributor, disconnect the battery cables. When disconnecting

the battery cables, always remove the Negative (-) cable ﬁrst and install it last.

MSD Pro-Billet Chrysler V8 Distributor

PN 8545 - 383, 400

PN 8546 - 426, 440

Important: Read these instructions before attempting the installation.

Note: An MSD Ignition Control is required to use these distributors.

Parts Included:

1 - Pro-Billet Distributor

1 - Rotor, PN 8467

1 - Distributor Cap, PN 8431

1 - Gasket

1 - Parts Bag

1 - O-Ring Seal

Note: The terminals of this Distributor require spark plug style terminals. You may need to change the

terminals and boots of your wires. MSD offers a kit, PN 8849, that is supplied with nine boots and

terminals for this style cap.

TIMING FUNCTIONS

Before continuing with the installation, here are a few deﬁnitions you should be aware of:

Initial Timing: This is the base timing (also referred to as idle timing) of the engine before the

centrifugal advance begins.

Centrifugal Advance: The centrifugal (or mechanical) advance mechanism is made up of weights,

springs, advance cams, and an advance stop bushing. The amount and rate of advance that your

distributor is capable of is determined by the centrifugal timing. If you ever wish to lock out the

centrifugal advance, refer to the centrifugal advance section.

Total Timing: This is the total of the initial timing plus the centrifugal advance added together.

Example: 10° Initial + 25° centrifugal = 35° Total Timing. (When checking Total timing, disconnect

the vacuum canister and plug the vacuum source.)

Note: MSD Distributors are supplied with the heavy (slow) advance springs installed. This is to

prevent detonation in certain applications. Review the information on pages 2-4 to determine

the best advance curve for your application.

M S D • W W W . M S D P E R F O R M A N C E . C O M • ( 9 1 5 ) 8 5 7 - 5 2 0 0 • F A X ( 9 1 5 ) 8 5 7 - 3 3 4 4

ONLINE PRODUCT REGISTRATION: Register your MSD product online and you’ll be entered

in our monthly 8.5mm Super Conductor Spark Plug Wire give-away! Registering your product

will help if there is ever a warranty issue with your product and helps the MSD R&D team create

new products that you ask for! Go to www.msdperformance.com/registration.

1 2 3 4 5 6 7 8

Summary of Contents

Page 1 - TIMING FUNCTIONS

WARNING: Before installing the MSD Distributor, disconnect the battery cables. When disconnecting the battery cables, always remove the Negative (-)

Page 2 - CHOOSING AN ADVANCE CURVE

2 INSTALLATION INSTRUCTIONSM S D • W W W . M S D P E R F O R M A N C E . C O M • ( 9 1 5 ) 8 5 7 - 5 2 0 0 • F A X ( 9 1 5 ) 8 5 7

Page 3 - CENTRIFUGAL ADVANCE CURVE

INSTALLATION INSTRUCTIONS 3M S D • W W W . M S D P E R F O R M A N C E . C O M • ( 9 1 5 ) 8 5 7 - 5 2 0 0 • F A X ( 9 1 5 ) 8 5 7

Page 4

4 INSTALLATION INSTRUCTIONSM S D • W W W . M S D P E R F O R M A N C E . C O M • ( 9 1 5 ) 8 5 7 - 5 2 0 0 • F A X ( 9 1 5 ) 8 5 7

Page 5 - INSTALLING THE DISTRIBUTOR

INSTALLATION INSTRUCTIONS 5M S D • W W W . M S D P E R F O R M A N C E . C O M • ( 9 1 5 ) 8 5 7 - 5 2 0 0 • F A X ( 9 1 5 ) 8 5 7

Page 6 - 6 INSTALLATION INSTRUCTIONS

6 INSTALLATION INSTRUCTIONSM S D • W W W . M S D P E R F O R M A N C E . C O M • ( 9 1 5 ) 8 5 7 - 5 2 0 0 • F A X ( 9 1 5 ) 8 5 7

Page 7 - INSTALLATION INSTRUCTIONS 7

INSTALLATION INSTRUCTIONS 7M S D • W W W . M S D P E R F O R M A N C E . C O M • ( 9 1 5 ) 8 5 7 - 5 2 0 0 • F A X ( 9 1 5 ) 8 5 7

Page 8 - TECH NOTES

Limited Warranty MSD warrants this product to be free from defects in material and workmanship under its intended normal use*, when properly installe

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Msd 8546 Chrysler 426,440 Pro-Billet Distributor Insta User Manual

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