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Instructions
Figure
: Application Side View
B&M StarTek Starter
Part Number 77100 (3/4” Depth) & 77101 (3/8” Depth)
ord 289, 302, & 351W
F
Proper installation of your StarTek
Starter is essential for trouble free
operation. Correct alignment and
spacing is required. Please read all
instructions before installing your
new high performance starter.
INTRODUCTION
This starter can be installed in about
an hour by carefully following the
instructions. It is suggested that the
vehicle be allowed to cool off for a
few hours to avoid burns from hot
parts, especially any exhaust parts
which might be near the starter. The
vehicle should be off the ground for
ease of installation - jack stands,
wheel ramps or a hoist will work
fine. MAKE SURE VEHICLE IS
FIRMLY SUPPORTED - DO NOT
WORK UNDER A VEHICLE IF IT IS
SUPPORTED BY ONLY A JACK!
Try to raise the vehicle 1-2 feet so
you will have plenty of room to work.
gears, and part number 77101 is
for 3/8” depth ring gears. Please
see Figure’s 1 and 2 for
clarification, along with Table 1.
APPLICATION NOTES
When selecting a starter for your
particular Ford, year, model, and
drivetrain specifications can
sometimes be miss-leading.
B&M offers two starters of differing
pinion depth for particular Ford 289,
302, and 351W applications. Part
number 77100 is for 3/4” depth ring
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INSTALLATION
STEP 1. Disconnect the battery
cables, removing the negative cable
first.
STEP 2. Remove the old starter,
and make sure the mounting flange
is clean and burr free.
STEP 3. Install the StarTek starter.
Leave all shims out at this time.
STEP 4. With the starter now in
position, make sure the solenoid
housing has maximum clearance
from heat sources and other
components. The starter can be
clocked in four different locations on
the mounting block to obtain the
best position. To re-clock the starter,
first remove the starter, then remove
the three M6 x 1 mounting bolts
between the starter and the
mounting block and re-position
accordingly. Re-Torque to 8 ft-lbs.
Please see Figure 3.
STEP 5-1. (Pinion Engagement):
There are two possible methods to
measure pinion engagement. The
First (Preferred) Method: With the
starter removed, manually extend
the pinion and measure the distance
from the outer surface of the pinion
to the starter mounting flange where
it bolts to the bellhousing. Record
this as dimension “A”. Then
measure from the bellhousing /
block plate to the face of the ring
gear. Record this as dimension “B” –
this dimension should be close to
3/8” or 3/4”, depending on your
application. Please see Figure 4. AB needs to be between 1/4” to 3/8”.
If A-B> 3/8”, then remove the
mounting block and install the shim
ring and outer shim. (Please see
Figure 5.) This will move the pinion
away from the ring gear
approximately .060”, or 1/16”. If A-B
is significantly out of range, most
likely the wrong application starter is
being used.
Figure 2: Application Register Diameters
Table 1: Application Reference Chart
Ring Gear
Tooth #
164 4 Spd 4.130” 3/8” 77101
164 Automatic 4.084 3/4” 77100
157 4 Spd & Auto 4.084 3/4” 77100
Transmission Starter
Register
Diameter
Depth Starter
STEP 5-2. (Pinion Engagement):
The Second Method: This method
is NOT preferred. Steps 6-10 must
be complete before this
procedure is performed.
Performing this procedure will
Figure 3: Starter Clocking Positions
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Figure 4: Calculating Pinion Engagement
generally prevent you from being
able to return your starter: With
the installation procedure complete,
start the engine several times.
Remove the starter. After cranking
the engine multiple times, you
should be able to inspect the
witness pattern on the pinion gear to
check for proper engagement. The
gear should show wear from the
outer face to between 1/4” & 3/8”
back towards the body of the starter.
If the mark exceeds 3/8” in length,
remove the mounting block from the
starter and install the shim ring and
outer shim. This will move the pinion
away from the ring gear .060”, or
1/16. If the witness pattern is less
than 1/4” or the starter skips or
grinds during engagement, most
likely the wrong application starter is
being used.
STEP 6. Connect the solenoid
switch wire. With the amperage
being considerable (~30A) to pull
the bendix, B&M recommends 12
Figure 5: Starter Shim Assembly, (If Required)
Ga. wire as a minimum. Figure 6
shows wiring without a remote
solenoid, Figure 7 shows wiring
with a remote solenoid. While your
B&M starter does not require a
remote solenoid, it is generally
easier to keep as much of the
original wiring as possible. Note: If
your original starter had a second
terminal, or “R” terminal, this can
generally be omitted. Please see
trouble shooting information at the
end of this procedure for further
information.
STEP 7. Connect the main cable to
the starter. Please see Figures 6
and 7 for reference. Due to the high
amperage required to turn the
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starter motor, it is important to size
the wire in accordance to its length.
Keep in mind to size all ground
wires accordingly also, these are
carrying equal current. Please see
Table 2 for cable length versus gage
recommendations.
Figure 6: Starter Wiring Without Remote Solenoid
Figure 7: Starter Wiring With Remote Solenoid
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Starter Cable Length vs. Gage
Table 2: Cable Gage Chart
Length 3’ 5’ 7’ 10’ 10+’
AWG 4 2 1 0 00
ST
EP 9. Reconnect the battery
terminals, starting with the positive
and ending with the negative.
STEP 10. Start the engine. In order
to not exceed the duty cycle of the
starter, please do not operate the
starter for more than 30 seconds at
a time. Allow the starter to cool at
least two minutes between repeated
cycles.
Trouble Shooting Information:
Slow Cranking: Generally this can
be attributed to low voltage at the
starter. The battery should be
checked, as well as wire size,
terminals, and switches. Keep in
mind any switches (such as
master kill switches used in race
cars) must have very high
amperage ratings, between 400 to
700 amps.
R-Terminal: On older vehicles with
point type ignition systems, there
was an extra terminal and wire on
the original starter. This fed 12V
during cranking directly to the
ignition coil when cranking, serving
as a ballast resistor by-pass. The
B&M StarTek starter does not have
this terminal, as most modern
ignition systems do not require it. If it
is found that your ignition system
has low or no voltage during
cranking, connect a 10A/250V diode
in-line with the starter motor
connection to the positive on the
coil. The banded end of the diode
goes away from the starter. This
acts as a check valve, allowing
current to travel from the starter to
the coil during cranking, and not
allowing current to feed back to the
starter while the engine is running.
Gear Mesh: The gear mesh, or
radial distance between gears is
not adjustable on this application.
Please make sure that all parts are
correct for the application, and that
the starter is mounted properly on
the block plate.
Parts List
(1) B&M StarTek Starter
(1) Shim Ring
(1) Outer Shim
Tools List
Jack & Jack Stands
Work Light
5mm Allen
3/8” Drive Std. Socket Set
3/8” Drive Ratchet
½” Wrench
9/16” Wrench
B&M Transmission Transmission Parts
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