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Edelbrock 3821 Installation Instructions
Edelbrock 3821 Installation Instructions

Edelbrock 3821 Installation Instructions

Hrottle body adapter for 1994-1995 5.0l mustangs for part nos. 3821, 7123 and 7126 manifolds

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Please study these instructions carefully before installing your new Throttle Body and EGR Plate. If you have any questions or problems,
do not hesitate to call our Technical Hotline at: (800) 416-8628 from 7:00 am to 5:00 pm, Monday through Friday, Pacific Standard
Time or e-mail us at: edelbrock@edelbrock.com.
Throttle Body Adapter: The throttle body adapter #3835 is
required to install any Performer 5.0 series intake manifold
on 1994-95 Mustangs. It must be used with Edelbrock or
stock throttle body. Performer series manifolds and adapter
#3835 are stock replacement parts and are 50-state street
legal for 1994-95 5.0L engines. Performer series manifolds
will not clear stock strut tower brace; Edelbrock Strut Tower
Brace #5225 must be used!
INSTALLATION:
1. Remove stock strut tower brace prior to installing intake
manifold. Install manifold base per provided installation
instructions.
2. Before installing manifold upper, drill out the threaded bolt
hole indicated in Figures 1 and 2 with a 11/32" drill. This
through hole will allow installation of a 5/16" bolt from the
rear into the throttle body adapter.
NOTE: If manifold upper is already installed, this hole may be
drilled out on vehicle if you are careful not to let chips fall into
engine.
3. Install upper manifold.
NOTE: Before installing throttle body adapter, remove both
throttle bracket studs from your stock manifold and install
them on the adapter. Note that they are metric (M8 x 1.25).
4. Install throttle body adapter and gasket using bolts supplied.
NOTE: Use 1-1/4" 12-point bolt in upper rear position as
required for clearance (see Figure 2).
5. Install studs (supplied) in throttle body adapter.
6. Install throttle body per instructions supplied.
7. Install EGR valve and gasket on throttle body adapter.
8. EGR supply tube spacer PN 8025 is required for RPM 5.0
manifolds (PN 7126 & 7123) with most aftermarket or factory
headers. Edelbrock TES 6845 does not require a spacer.
9. Re-assemble all fittings, brackets, and other parts removed
during disassembly.
10. Original 11/32" vacuum hose must be extended using 3-1/4"
long hose and connector supplied.
11. Install Strut Tower Brace #5225 in place of stock strut tower
brace.
Brochure #63-0163
© 2002 Edelbrock Corporation
for 1994-1995 5.0L Mustangs
For Part Nos. 3821, 7123 and 7126 Manifolds
Figure 1– Throttle Body Adapter #3835 installed. Arrow
shows location of 11/32" through hole which must be
drilled in upper manifold.
• Kit Contents
1-
Throttle Body Adapter
1-
Throttle Body Gasket; adapter to manifold
1-
Throttle Body Gasket; adapter to Throttle Body
1-
EGR Gasket
4-
5/16" x 1-1/2" carb studs
4-
5/16" hex nuts
8-
5/16" AN flat washers
3-
1-1/2" hex head bolts
1-
1-1/4" 12-point head bolt
1-
3-1/4" length 11/32" diameter fuel/vacuum hose
1-
3/8 hose connector
1-
3/8 Pipe Plug
1-
1/8 Pipe Plug
Use 12-point head
5/16" bolt here
Figure 2– View of upper manifold
THROTTLE BODY ADAPTER
Catalog #3835

INSTALLATION INSTRUCTIONS

Drill through 11/32" diameter
Rev. 12/02

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This manual is also suitable for:

383571237126