MSD 5095 Installation

MSD DynaForce Starter, Chevrolet SB and BB V8

Straight Mount, PN 5095, Staggered Mount, PN 50951

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IMPORTANT: Proper installation of the DynaForce Starter is important to the overall operation. Correct alignment

of the starter pinion with the ring gear is needed to achieve the best operation and longevity from your starter. Please read the instructions before attempting the installation.

Parts Included:

1 - Starter 2 - Mounting Bolts

1 - Shim Ring 1 - Outer Shim

2 - Mounting Block Shims

WARNING: Before installing the DynaForce Starter disconnect

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

1. Make sure the starter mounting ﬂange on the engine block is clean and smooth.

2. Install the starter with the supplied hardware. It is recommended to leave the shims out until the pinion gear to ring gear teeth mesh is checked. Torque the bolts to 32 lb-ft.

3. Check that the position of the solenoid is away from direct heat sources and other components. If there are clearance problems, the starter housing can be rotated to move the location of the solenoid. This is done by removing the three bolts on the mounting block and repositioning the starter motor (Figure 1).

4. With the starter installed, check the clearance between the ring gear and the edge of the pinion gear (Figure 2). There should be at least 1/16". It is recommended to check this clearance in at least three places around the ﬂex plate.

CLOCKING

LOCATIONS

Figure 1 Clocking the Starter for Clearance.

• If there is not enough clearance, you will need to install

the supplied shim kit by removing the mounting block (Figure 3). Place the small shim ring in the bearing bore and install the outer shim on the support housing. Reinstall the mounting block. This will move the pinion gear into the starter approximately 0.060".

Figure 2 Checking Pinion Clearance.

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2 INSTALLATION INSTRUCTIONS

BATTERY

LENGTH

3’ 5’ 7’ 10’ +10’

AWG

CABLE LENGTH VS. GAUGE

12-GAUGE MINIMUM TO IGNITION SWITCH

5. To check the pinion gear mesh, gently pry the gear out to engage to the ring gear. (Sometimes the pinion will not retract. This is normal.) Insert

INSTALL OUTER

SHIM

a wire gauge as shown in Figure 4. As a gauge, a standard 1.25" paperclip could be used as they generally are about .035" in diameter. There should be .020"-.035" clearance between the ring

SHIM

RING

gear tooth and the pinion gear.

• If there is not enough clearance, install one

of the supplied shims and check again.

• If there is too much clearance, install a shim

under the outer bolt only. This will tighten the clearance.

6. The switch wire that connects to the solenoid should be at least 12-gauge (Figure 5).

Note: If your original starter had wire going to a

Figure 3 Installing the Pinion Shim Spacers.

second terminal, an ‘R’ terminal, this can generally be bypassed. See the information on page 3 of the instructions for more details.

7. Attach the battery cable. The size of the battery cable depends on its length. Using the proper gauge wire is important to the operation of the starter. Both the positive and ground wires must be able to meet the demands of the starter. The chart in Figure 5 shows the recommended sizes. Be sure to route the wire away from the exhaust and moving parts of the engine.

8. Connect the battery terminals and start the engine.

IMPORTANT: Never operate a starter for more than

30 seconds at a time without letting it cool for at least two minutes.

Figure 4 Checking Gear Mesh.

Figure 5 Wiring the Starter.

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