A Buick V6 has 11:1 compression, a high energy ignition and turns 5,000 rpm. With the specifications given, you will have to retard the timing for the high compression, low rpm and high energy ignition. By comparing the engine’s specifications against the chart, a usable timing guideline can be found. Engines with a combination of items from both columns will require a timing that is set in the mid range.
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The Edelbrock Performer #2146 & #2515 intake manifolds will work with 400, 430, and 455 c.i.d. big-block Buick engines. The Performer #2146 is designed to accomodate original cold air induction hoods, while the B4B #2515 relocates the carb pad for optimal fuel distribution. These manifolds optimize performance for engines operating in the idle to 5500 rpm range. They are compatible with OEM carburetors that use a divorced-style or electric choke only; hot air tube models will need to have their choke converted to electric or disabled. These intake manifolds are recommended for street rods and street high performance applications. When used with any mix of aftermarket equipment designed for idle to 5500 rpm operation, the performance increases will be even greater.
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REMOVING THE ORIGINAL DISTRIBUTOR 1. If the vehicle has a manual transmission, place the gearshift in neutral and chock the wheels. This prevents the crankshaft from being accidentally turned and the distributor mounting reference lost, if someone pushes or leans against the vehicle. Automatic transmissions should be placed in “Park”.
2. Disconnect the ground cable from the battery.
3. Remove or relocate the engine parts, such as air cleaners, that block access to the distributor.
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GEAR INFORMATION
The Pro-Billet PN 8451, PN 8452, PN 8455 and PN 8456 Distributors are designed as a direct replacement for Ford EFI High Output engines and are equipped with a steel gear for the hydraulic roller camshaft. The PN 8453 model is a replacement for 351W engines with a TFI Ignition module and is supplied with an iron gear (non-roller camshaft).
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Before installing the MSD Digital E-Curve Distributor, disconnect the battery cables. When disconnecting the battery cables, always remove the Negative (-) cable first and install it last.
The terminals of this Digital E-Curve Distributor require spark plug style terminals. You may need to change the terminals and boots of your wires. MSD offers two kits, PN 8849 or PN 8848 that are supplied with nine boots and terminals.
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The terminals of this Ready-to-Run Distributor require spark plug style terminals. You may need to change the terminals and boots of your wires. MSD offers two kits, PN 8849 or PN 8848 that are supplied with nine boots and terminals.
Note: If the gear is ever replaced, MSD Gear (PN 8531) is required for replacement due to the .500″ diameter shaft.
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Note: An MSD Ignition Control is required to use these distributors. 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. 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 two kits, PN 8849 or PN 8848 that are supplied with nine boots and terminals.
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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.
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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 centrifugal advance begins. Centrifugal Advance: The centrifugal advance mechanism is made up of weights, springs, advance cam, 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.
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Raise and support vehicle, allowing suspension to hang free.
Remove the wheel.
Disconnect the shock absorber electrical connector.
Support the lower control arm with a jack stand or screw jack in order to relieve the spring load.
Remove the lower shock absorber nut(s) and bolt(s).
Remove the upper mounting nut(s). On some models, the upper shock mounting nuts are located in the trunk behind the trim cover.
Remove the shock from the vehicle. On some models, you may have to compress the shock by hand to remove from the mounting.
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