Owners manual

ManualsBrandsGibson Performance ManualsAutomotiveGP102S Performance Header

GP102S

STAINLESS HEADER

NO AIR INJECTION, WITH EGR

FOR CHEVROLET/GMC

PICKUP 5.0L, 5.7L

YUKON/TAHOE 5.7L

SUBURBAN 5.0L, 5.7L

CADILLAC ESCALADE 5.7L 2/4 WD

GIBSON HEADERS ARE 50 STATE SMOG LEGAL

2/2 Thank you very much for purchasing our Gibson header

for your vehicle.

If you need further assistance, please do not hesitate to call our Technical

Department at

(800) 528-3044

Monday through Friday

8:00 a.m. to 5:00 p.m. PST.

1270 WEBB CIRCLE CORONA, CA 92879

Summary of content (6 pages)

PAGE 1
GP102S STAINLESS HEADER NO AIR INJECTION, WITH EGR FOR CHEVROLET/GMC PICKUP 5.0L, 5.7L YUKON/TAHOE 5.7L SUBURBAN 5.0L, 5.7L CADILLAC ESCALADE 5.7L 2/4 WD GIBSON HEADERS ARE 50 STATE SMOG LEGAL 2/2 Thank you very much for purchasing our Gibson header for your vehicle. If you need further assistance, please do not hesitate to call our Technical Department at (800) 528-3044 Monday through Friday 8:00 a.m. to 5:00 p.m. PST.
PAGE 2
WHEN THESE INSTRUCTIONS ARE FOLLOWED PRECISELY, YOU WILL FIND THE INSTALLATION OF YOUR EXHAUST SYSTEM TO BE RELATIVELY SIMPLE. WE CANNOT OVER EMPHASIZE THE IMPORTANCE OF ADHERING STRICTLY TO THIS PROVEN APPROACH, AS IT WILL VIRTUALLY ELIMINATE ANY DIFFICULTIES, WHICH YOU MIGHT OTHERWISE ENCOUNTER. DUE TO RESTRICTED ROOM IN THE ENGINE COMPARTMENT, YOUR HEADERS MAY COME CLOSE TO CERTAIN BODY AND CHASSIS COMPONENTS. THIS IS A NORMAL CONDITION FOR AN INSTALLATION OF THIS TYPE.
PAGE 3
TOOLS SUGGESTED 12MM BOX END WRENCH AND/OR 12MM DEEP SOCKET 7/16" SOCKETS (ONE SHALLOW/ONE DEEP) 13MM SOCKET 15MM SOCKET 9/16" COMBINATION WRENCHES 9/16" LINE WRENCH 5/8" THIN WALL SPARK PLUG SOCKET HIGH TEMP SILICONE SEALER (RATED 600 DEGREES OR MORE) JACK STAND
PAGE 4
Installation Instructions NOTE: Installation of these headers requires an adequate workspace, general mechanic’s tools, general mechanical “know-how” and a few special tools. However, you should carefully read these instructions before attempting to install these headers. If in doubt, consult a professional mechanic. DO NOT INSTALL THESE HEADERS OVER THE TOP OF THE FACTORY SPARK PLUG WIRE HOLDERS WHICH ARE BOLTED TO THE HEAD. OTHERWISE THE HEADERS WILL NOT SEAL!!!! 1.
PAGE 5
6. Using the supplied fasteners, bolt the Header to the bottom flange. The nuts are jam nuts. Therefore, they will not spin freely. This is normal. Torque to 30-35ft. lbs. 7. To reinstall the spark plug wire looms, use the supplied ½” tubular spacer and ¼” bolt. The spark plug wire loom will now sit outward of the header flange rather than against the head. 8. The Passenger Side: Unbolt the manifold from the exhaust system from under the vehicle as on the driver’s side. Remove the dipstick.
PAGE 6
COSMETIC TIP: Skin oils from your hands and engine compartment grime causes ugly “yellow” spots to appear on the chrome as it “blues” from the exposure to exhaust heat. CAUTION! Gloves or other protection should be worn to protect installer from burns due to hot exhaust components during these final steps! IT IS CRITICAL that all bolts be re-tightened HOT after about 20 minutes of operation to prevent gasket failure. NOTE: HEADERS ARE NOT MEANT TO SERVE AS “EXHAUST SYSTEM SUPPORT HANGERS”.