Edelbrock 3881 User Manual

Catalog #3881
Rev. 6/06 - RS/mc

©2006 Edelbrock Corporation

Brochure #63-3881

Page 1 of 3

PERFORMER TRUCK 5.8 INTAKE MANIFOLD

For 1988-1996 Ford Trucks with 5.8 Liter V8 Engines

Catalog #3881

INSTALLATION INSTRUCTIONS

PLEASE study these instructions carefully before beginning this installation. Most installations can be accomplished with common tools and

procedures. However, you should be familiar with and comfortable working on your vehicle. If you do not feel comfortable performing this installation,
it is recommended to have the installation completed by a qualified mechanic. If you have any questions, please call our Technical Hotline at:
1-800-416-8628, 7:00 am - 5:00 pm, Pacific Standard Time, Monday through Friday or e-mail us at [e-mail]

.

IMPORTANT NOTE: Proper installation is the responsibility of the installer. Improper installation

will void your warranty and may result in poor performance and engine or vehicle damage.

DESCRIPTION: The Edelbrock Performer Truck 5.8 manifold is designed for 1988-1995, 5.8 Liter small-block Ford engines equiped with Electronic

Fuel Injection in trucks only; will not fit passenger car applications. The modular design incorporates the latest technology for maximum power gains
in the mid-range where trucks need it most. On our test engine, this manifold made 34 ft./lbs. of torque over a stock intake manifold. It is a stock
replacement, street legal manifold designed to function with all original equipment fuel injectors, fuel rails, sensors, fittings, and accessories. This
intake manifold provides horsepower and torque increases in the idle to 5500 rpm range. Other features include a removable plenum cover allowing
access to runners for modification if desired (not needed for operation below 6000 rpm), and CNC port-matched upper and lower manifolds for
maximum flow efficiency.

• KIT CONTENTS

❑ 1 Intake Manifold Base
❑ 1 Intake Manifold Upper Casting (Plenum)
❑ 1 Plenum Cover
❑ 1 Plenum Cover Gasket (Included in Edelbrock Kit #3833)
❑ 1 Base-to-Upper Gasket (Included in Edelbrock Kit #3833)
❑ 1 EGR Gasket
❑ 8 1/4"-20 x 3/4" Allen Head Bolts
❑ 8 5/16-18 x 1-1/4" Hex Head Bolts

• ACCESSORIES & INSTALLATION ITEMS: Major recommendations are listed below. See our catalog for details. To order a catalog, call (800)
FUN-TEAM, or visit www

.edelbrock.com.

• THROTTLE BODY RECOMMENDATIONS: Use with OEM or equivalent replacement aftermarket throttle body. May be used with larger bore
aftermarket throttle bodies. Port matching of the throttle body pad may be required with throttle bores larger than 56mm.

• GASKETS: Do not use competition-style intake gaskets for this street manifold. Due to material deterioration over time, internal leakage of
vacuum, oil, and coolant may occur. Replacement plenum cover and manifold base-to-upper gaskets available as Edelbrock #3833. OEM F

ord

gaskets will not fit.

❑ 8 5/16" Split Lockwashers
❑ 1 Low Profile, 90°, 3/8" Hose Fitting
❑ 1 1/8" NPT to 3/8" Hose Adapter Fitting
❑ 2 3/8" NPT Pipe Plugs

INTAKE MANIFOLD REFERENCE RECOMMENDED GASKET

3881 Edelbrock #7220 Port: 1.20” x 2.00”, .060” Thickness

NOTE: To ensure maximum performance and a proper seal, Edelbrock gaskets which are

specifically designed and manufactured for use with Edelbrock parts must be used.

• EXHAUST SYSTEMS: The Performer 5.8 manifold is compatible with Edelbrock dyno-matched, street-proven Tubular Exhaust Systems and Cat-

Back exhaust systems which are suitable for use with the Performer 5.8 manifold on 1988 through 1995 trucks, Explorers, etc. Consult your
dealer, Edelbrock catalog, or Edelbrock Technical Hotline for applications.

®

Catalog #3881
Rev. 6/06 - RS/mc

©2006 Edelbrock Corporation

Brochure #63-3881

Page 2 of 3

INSTALLATION PROCEDURE

• PREP AND TUNING FOR POWER:

NOTE: Local emission laws must be checked for legality prior to performing any ignition or ECU tuning.

Performer Series Intake Manifolds

1. The Performer intake manifold does not require any additional tuning in most applications.

2. Performer manifolds deliver excellent drivability and power utilizing stock distributor settings. Some applications may benefit from resetting

the initial advance ±2° from the factory specification.

3. Aftermarket ignitions and more aggressive advance curves may be used with Performer packages.

4. Installation of aftermarket headers or camshafts may require additional tuning and may breach emissions regulations. Check local laws for

details.

• REMOVAL

1. Disconnect battery negative cable and drain cooling system.

2. Disconnect necessary electrical connections, control cables,
linkages, vacuum hoses, ventilation hoses, and coolant hoses at
throttle body and manifold. Do not disconnect fuel lines unless
absolutely necessary. Special tooling and procedures are required
to re-install fuel lines. See

"Fuel Line Removal and Installation"

.

3. Remove distributor cap and spark plug wires as an assembly. Place
reference mark on distributor for rotor alignment during
reassembly. Remove retaining bolt and distributor.

4. Disconnect throttle linkage and air inlet tubes. Unbolt EGR valve
from manifold and swing away (loosen pipe fitting on exhaust
manifold, if necessary).

5. Remove retaining bolts, upper intake manifold and gasket. Remove
accessory brackets attached to lower manifold. Remove heater
tube assembly from lower manifold. Remove retaining bolts, lower
manifold, gaskets, and seals.

6. Mark vacuum line locations. Vacuum lines will relocate to the stock
positions on the #3881, with the exception of the MAP sensor. Its
fitting will relocate from the top to the bottom of the plenum.

7. To facilitate easy assembly, tag all electrical connectors before
disassembly.

INSTALLATION

CAUTION: Do not use non-embossed high performance or

competition-type intake gaskets for street application. Due to
material deterioration under street driving conditions, internal
leakage of both vacuum and oil may occur. Use only recommended
gaskets when installing this manifold for street applications.

1. Clean all gasket surfaces. Apply a 1/8" bead of O2 sensor safe
silicone sealer at junction of cylinder head and cylinder block
surface BEFORE gaskets are installed.

2. Apply Edelbrock Gasgacinch sealant, #9300, to both sides of the
manifold as well as head surfaces. This procedure ensures a good
seal.

3. Install intake manifold gaskets on heads.

4. Eliminate the end seals. Instead, use RTV silicone sealers designed
for use with O2 sensors. Apply a bead of sealant approximately
1/4” high across the front and rear block end seal surfaces,
overlapping the intake gasket at the four corners. This method
eliminates end seal slippage and deterioration.

5. For ease of installation, we recommend using Edelbrock Manifold
Bolt & Washer Kit,#8584. It may be necessary to re-use the original
stud bolt to hold heater tube bracket in hole #3

(See Figure 1)

.

6. Install lower intake manifold and retaining bolts. Tighten bolts to
18-20 ft./lbs. in sequence

(See Figure 1)

.

7. If fuel rail and injectors were disconnected, install components with
new O-rings on fuel lines. Use only specified fuel resistant brown
O-rings. Lightly coat O-rings with clean engine oil before installing.
Clean fittings and replace garter spring if necessary.

8. Install 90° PCV hose fitting in rear of upper manifold before
installing on base. Use Teflon tape or thread sealer and orient the
fitting to the 4:00 o'clock position (viewed from the rear).

9. Install upper manifold and gasket (dry) using hardware supplied

(See Figure 1)

. Upper manifold must be positioned so that the

throttle body is towards the front of vehicle.

NOTE: Do not overtighten manifold base to manifold upper
fasteners. Use a short box or open end wrench only. Install
plenum cover and gasket (dry) with Allen head screws
provided.

10. Remove original throttle valve studs from stock manifold and install
in new manifold. To re-install remaining components, reverse
removal procedure. Adjust all control cables. If automatic
transmission equipped using an aftermarket throttle body, refer to
your throttle body instructions for transmission T.V. (throttle valve)
cable linkage adjustment. Fill cooling system with coolant.
Connect battery negative cable.

11. A re-torque of the manifold bolts is recommended after several
operation cycles (start-up, bring to operating temperature, cool­down). Re-torque when engine is cold.