Edelbrock 68782 Installation Instructions

Please study these instructions carefully before installing your new Tubular Exhaust System (TES). If you have any
questions, please contact our Technical Hotline at : 1-800-416-8628 from 7 am - 5pm, Monday-Friday, Pacific
Standard Time or e-mail us at Edelbrock@Edelbrock.com. Please fill out and mail your warranty card.
TUBULAR EXHAUST SYSTEM: These components are designed as a system to improve the exhaust efficiency of the GM
LG-4 Low Output 5.0L V8 engine.
does not require welding for installation and retains all O.E.M. emissions equipment.
Suggested Tools Needed for Installation: This vehicle has some metric fasteners.
❑ 3/8" ratchet socket set with extensions and universal 13mm and 15mm swivel sockets
❑ Combination set of open-end wrenches
❑ Jackstands, screwdrivers, pliers, crescent wrench, etc.
❑ Liquid penetrant, (GM #1052627) anti-seize compound (GM #5613695)
SPECIAL NOTICE: This Edelbrock Tubular Exhaust System has received an Executive Order number (E.O.#) from the
California Air Resources Board (C.A.R.B.) making it legal for street use in all 50 states. To assist you with emission
equipment certification, we have included a silver fan shroud decal to help testing personnel verify the this part is a legal
replacement on the vehicle for which it is cataloged. The adhesive-backed decal should be affixed next to the existing
emission and engine specifications decal. Do not cover any part of your original emission decal.
WARNING: The use of "Thermal Wrap" or any aftermarket coating process will void the warranty on your Edelbrock
Tubular Exhaust Systems. Those products can cause excessive heat and moisture buildup resulting in corrosion and
failure of the system.
NOTE: High temperature spark plug wires and boots are recommended to withstand heat from T.E.S.
Proper installation is the responsibility of the installer. Improper installation will void warranty and may
Qty. Description
❑ 1
Header left side #25-9335 (#68782)
❑ 1
Header right side #25-9336 (#68782)
❑ 1
Header left side #25-9005 (#68783)
❑ 1
Header right side #25-9006(#68783)
❑ 1
Extension pipe right side #25-9505
❑ 1
Extension pipe left side #25-9507
❑ 12
Header bolts; 3/8"-16 x 1"
❑ 1
Flange connector
❑ 1
U-Clamp
❑ 3
Spacer tubes; 5/8" O.D. x 1.53" long
❑ 1
Spacer tubes; 5/8" O.D. x .72" long
❑ 2
Chevy V8 port gaskets
Catalog #68782, #68783
©2006 Edelbrock Corporation
A performance gain can be expected by the installation of the system. This system
IMPORTANT NOTE:
result in poor performance and engine or vehicle damage.
Catalog #68782 (Ceramic-Coated), #68783 (Ti-Tech Coated)
For 1983-1988 Monte Carlo LG-4 Low Output 5.0L V8
KIT CONTENTS
Qty.
❑ 1
❑ 1
❑ 1
❑ 1
❑ 1
❑ 2
❑ 1
❑ 2
❑ 2
❑ 2
❑ 16
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TUBULAR EXHAUST SYSTEM
Catalog #68782, #68783

INSTALLATION INSTRUCTIONS

Description
Donut gaskets
O2 Sensor pigtail; 12"
O2 Sensor plug
90-degree Spark plug wire boot
90-degree Spark plug wire terminal end
Hose connectors
Hose (A.I.R.); 16"
Hex bolts; 3/8"-16 x 2"
Hex bolts; 3/8"-16 x 3"
12-pt. Ferry bolts; 3/8"-16 x 2-3/4"
Lock washers; 3/8"
Brochure #63-68782
Rev. 5/06 - DA/mc