Owners manual

GIBSON PERFORMANCE 1270 WEBB CIRCLE, CORONA, CA 92879
[phone] FAX [phone] TOLL FREE 1-800-528-3044 0603
INSTALLATION INSTRUCTIONS
INSTALLATION OF THESE HEADERS REQUIRES AN ADEQUATE WORKSPACE, GENERAL MECHANIC’S TOOLS, GENERAL
MECHANIC’S KNOWLEDGE, AND A REASONABLE DEGREE OF EXPERIENCE. MOST AUTO-ENTHUSIASTS WITH THESE
RESOURCES WILL HAVE LITTLE DIFFICULTY INSTALLING THESE HEADERS. HOWEVER, YOU SHOULD CAREFULLY
READ THE INSTRUCTIONS BEFORE ATTEMPTING TO INSTALL THESE HEADERS. IF IN DOUBT, CONSULT A
PROFESSIONAL MECHANIC.
1) PLACE VEHICLE IN A LOCATION WHERE THE FLOOR IS SOLID,FLAT, AND HAS ADEQUATE LIGHTING. DO NOT
WORK WITH A HOT ENGINE!!! HEAT CAUSES METAL TO EXPAND AND MAKES REMOVAL OF FASTENERS
DIFFICULT. DISCONNECT THE NEGATIVE BATTERY CABLE. RAISE THE FRONT OF THE VEHICLE TO OBTAIN
ADEQUATE ACCESS TO THE BOTTOM OF THE MANIFOLD FLANGES. USE LARGE BASE JACKSTANDS TO SUPPORT THE
VEHICLE. DO NOT RELY ON THE JACK!! BLOCK THE TIRES TO PREVENT THE VEHICLE FROM ROLLING OFF THE
JACKSTANDS.
2) FIRST, DISCONNECT THE SPARK PLUG WIRES BY GRASPING AND GENTLY TWISTING THE SPARK PLUG BOOT.
DO NOT PULL ON THE PLUG WIRES.SPRAY WD-40 OR SOME TYPE OF PENETRATING OIL ON ALL ACCESSIBLE
FASTENERS BEFORE ATTEMPTING TO REMOVE THEM.
3) MARK ALIGNMENT OF THE SHAFT BEFORE REMOVING,THEN REMOVE THE BOLT FROM THE
STEERING SHAFT. SLIP STEERING SHAFT APART. NOW UNBOLT THE MANIFOLDS FROM THE STOCK
EXHAUST SYSTEM.
4) REMOVE THE SIX BOLTS HOLDING THE EXHAUST MANIFOLD TO THE HEAD, THEN REMOVE THE MANIFOLD.
WITH THE MANIFOLD OUT OF THE WAY, CLEAN ANY CARBON DEPOSITS ON THE HEAD WITH A WIRE BRUSH.
PREPARE THE SUPPLIED HEADER BOLTS WITH A SMALL AMOUNT OF ANTI-SEIZE TO THE THREADS.
5) INSTALL THE NEW HEADER USING THE SUPPLIED HEAD
GASKETS, BOLTS, AND LOCK WASHERS. WE SUGGEST USING ULTRA
COPPER GASKET SEALER ON BOTH OF THE HEAD GASKETS.
TIGHTEN THE GIBSON HEADERS FROM THE MIDDLE BOLTS TO
OUTSIDE BOLTS.
6) RE-INSTALL THE SPARK PLUG WIRES, RECONNECT
THE STEERING SHAFT ON THE ALIGNMENT MARK, AND
INSTALL THE AIR TUBE USING TH E SUPPLIED
GASKETS.