PerTronix JBA Exhaust 6625S - Manual (Page 4)

7. Now raise the passenger side of the engine by placing a wood block under the oil
pan and jacking it up approximately 1”.
8. With the engine raised, unbolt the passenger side manifold and remove the
manifold studs.
9. Install the passenger side header using the supplied hardware and gasket. Apply
a small amount of anti-seize to all header bolts before threading. Torque to 13
lbs./in. Reconnect the air fitting if equipped.
10. With the passenger side header installed, lower the engine onto the motor mount
and tighten the motor mount nut.
11. Reinstall the starter.
12. Disconnect the steering shaft from the steering rack and swing it out of the way.
13. Disconnect the EGR tube from the driver side manifold and remove the driver
side manifold and dipstick tube. Make sure to remove all of the manifold studs.
(For easier access remove the oil filter)
14. From underneath the vehicle, slip the new header into place. Then, from the top,
slide the dipstick tube through the header between the second and third tube,
and the head flange. Guide the tube under the motor mount and into its hole.
(Start on top and finish underneath.)
15. Loosely attach the EGR tube to the new header. Then install the header using
the supplied hardware and gasket. Remember to prepare the header bolts with
anti-seize and torque to 13 lbs./in. Reconnect the air fitting if equipped.
16. Tighten the EGR tube. Now reconnect the steering shaft to the steering rack.
Attach the dipstick tube to the head using the supplied spacer and original bolt.
(Don’t forget to reinstall the oil filter.)
17. Install JBA h-pipe (part number 6625H or 6625HC) or custom intermediate
exhaust after the headers. Connect h-pipes to the exhaust system.