Owners manual

8. ON THE PASSENGER SIDE, AGAIN WORKING THROUGH THE WHEELWELL, REMOVE THE NUTS ATTACHING THE
MANIFOLD TO THE HEAD THEN REMOVE THE MANIFOLD. REMOVE THE MANIFOLDS ATTACHING STUDS.
9. USING A SCRAPER REMOVE ALL CARBON DEPOSITS AND HIGH SPOTS FROM HEAD SURFACE, USE CARE NOT
TO GOUGE THE ALUMINUM HEADS.
10. NOTICE ON THE DRIVERS SIDE HEADER THE UPPER BOLT HOLES ARE SLOTTED. INSTALL THE GASKET WITH
THE HEADER BOLTS LEAVING AT LEAST 3/8 OF INCH GAP. BEFORE INSTALLING THE HEADER.IT MAKES FOR AN
EASIER INSTALLATION. SEE PICTURE #3
11. APPLY A SMALL AMOUNT OF HI-TEMP SEALER TO THE EXHAUST PIPE FLARE THEN INSTALL THE DRIVER
SIDE HEADER FROM UNDERNEATH THE VEHICLE. SOME TWISTING AND WIGGLING OF THE HEADER IS
NECESSARY. TIGHTEN THE HEADER BOLTS FROM THE CENTER OUT.
12. BEFORE INSTALLING THE PASSENGER SIDE HEADER. NOTICE ON PASSENGER SIDE HEADER, THERE ARE
SLOTTED BOLT HOLES ON THE FLANGE. INSTALL NEW BOLTS WITH THE GASKET LEAVING AT LEAST 3/8 OF
INCH GAP THEN INSTALL THE HEADER. IT MAKES FOR AN EASIER INSTALLATION. SEE PICTURE #3
13. APPLY A SMALL AMOUNT OF HI-TEMP SEALER TO THE EXHAUST PIPE FLARE, THEN INSTALL THE PASSENGER
SIDE HEADER THROUGH THE WHEELWELL. ATTACH USING THE SUPPLIED BOLTS AND GASKETS. APPLY A
SMALL AMOUNT OF ANTI-SEIZE TO THE THREADS OF THE BOLTS BEFORE TIGHTENING. TIGHTEN THE HEADER
BOLTS FROM THE CENTER OUT.
14. RE-INSTALL THE FACTORY Y-PIPE. APPLY A SMALL AMOUNT OF HI TEMP GASKET SEALER TO THE FACTORY
GASKET AND THREE BOLT FLANGE. THEN CONNECT AND TIGHTEN. SEE PICTURE #1. CONNECT THE EGR TUBE
TO THE GIBSON HEADER.
15. RE-CONNECT THE EXHAUST SYSTEM TO THE NEW HEADERS USING THE HARDWARE PROVIDED.(RE-
CONNECT DRIVE SHAFT WHERE APPLICABLE)ON 4 WHEEL DRIVE MODELS.
16. RE-INSTALL THE INNER WHEELWELLS (IF REMOVED). CHECK TO ENSURE THAT THERE ADEQUATE
CLEARANCE ON ALL BRAKE LINES, WIRE LOOMS, A/C LINES, ETC. IT IS RECOMMENDED THAT YOU REMOVE THE
PASSENGER SIDE WHEELWELL FLAP.
17. RE-INSTALL THE FRONT WHEELS AND TORQUE TO FACTORY SPECS. (SEE OWNER'S MANUAL)
18. RECONNECT THE BATTERY.
19. RE-CHECK EVERYTHING!
20. START THE ENGINE, CHECK FOR LEAKS AND TEST DRIVE. THEN LET THE ENGINE COOL AND THEN RE-
TORQUE THE HEADER BOLTS.
GASKET WITH BOTTOM BOLTS INSTALLED.
#3.
STARTER SUPPORT ON THE BELL HOUSING
#5.