BBK Performance 3503 User Manual

INS025

TWIN 56mm THROTTLE BODY #3501
1987-96 FORD F-SERIES 302/351w
TWIN 61mm THROTTLE BODY
1987-03 FORD F SERIES 460 #3502
1987-96 FORD F SERIES 302/351w #3503

STEP 1
STEP 2

STEP 3

STEP 4
STEP 5

STEP 6
STEP 7

STEP 8
STEP 9

STEP 10

STEP 11

Disconnect negative cable
Disconnect air inlet, vacuum and water passage lines from stock throttle body. Disconnect
The throttle cables from the throttle body linkage.
302/351 engines: Disconnect the idle bypass electrical connection on the driver side
Of throttle body.
460 engines: Idle bypass valve is located on intake manifold and does not require
Disconnecting.
Remove the four (4) mounting bolts attaching the throttle body to the intake manifold.
Remove throttle body and old gasket. Clean intake surface of old gasket material.
Remove Throttle Position Sensor (TPS) from old throttle body and install on the BBK
Throttle body.
302/351w engines: Remove and reinstall Idle Air Bypass Solenoid onto the BBK throttle
Body using supplied gasket.
Reinstall BBK throttle body in reverse order. If any vacuum ports are not used in your
Application, simply install a rubber vacuum plug on the unused port/s.
With everything reconnected, start engine and let it come up to temperature.
Shut off engine and disconnect the Idle Air Bypass electrical connector.
Restart engine and manually adjust idle to desired RPM using the idle set screw.
Shut off engine.
Using a voltmeter, turn ignition key to the ON position and read the voltage at the GREEN
WIRE at the TPS sensor. Voltage reading should be .8 – 1.0 volts.
To readjust TPS to get that reading, simply loosen the TPS mounting screws and turn TPS
To set voltage.
Reconnect the Idle Air Bypass electrical connector.

These throttle bodies are 50 state legal and carry
California CARB EO# D-245-15 (effective 2/25/10)

IMPORTANT- All appropriate safety equipment and gear must be used during the installation of this or any BBK Performance products or any time you work on a vehicle.
BBK Performance Inc. accepts no responsibility for injuries or damage caused by or during the installation of this product.