PerTronix JBA Exhaust 1675S - Manual (Page 3)

Driver side-
5. Remove the lower bolt from the steering shaft coupler at the power steering rack. Remove the bolt attaching
the rack to the frame on the driver’s side. Loosen the same bolt on the passenger side. Loosen from the bolt side,
the nuts are welded to the crossmember. Slide the rack forward on the driver’s side approximately 1” removing
the steering shaft coupler from the rack as you do. Do not rotate the steering shaft more than 180 degrees.
6. If so equipped, remove the strut brace from the engine compartment. Place a jack with a board between the
jack and the oil pan to support the motor. Remove the nut that holds the engine mount to the rubber isolator.
Remove the four bolts from the engine mount on the side of the block on the drivers side. Raise the engine ap
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proximately 1”
7. Remove the heat shield from the stock manifold. Remove the nuts attaching the manifold to the cylinder
head. Remove the factory manifold. Remove the O2 sensor from the manifold.
8. Remove the exhaust manifold studs from the cylinder head. Remove the dip-stick.
9. Apply a small amount of anti seize to the O2 sensor and install in the drivers side header. Apply a small
amount of anti seize to the supplied header bolts. Place the JBA Gasket on the cylinder head using the top front
& rear bolt holes and the supplied header bolts and washers. Leave the bolts loose to slide the header in place.
Slip the header into place and install the remaining bolts and washers. Tighten the headers bolts evenly starting
from the middle and working your way to the ends. Torque all the header bolts to 23 ft. Lbs.
10. Re-install the dipstick. You may have to bend it slightly to feed it between the header tubes.
11. Reconnect the steering coupler as you move the rack back into place. Replace the mounting bolt and tighten
both bolts securely. Lower the engine, replace the motor mount bolts and tighten.
Passenger side-
12. Place a jack with a board between the jack and the oil pan to support the motor. Remove the nut that holds
the engine mount to the rubber isolator. Remove the four bolts from the engine mount on the side of the block
on the drivers side. Raise the engine approximately 1”
13. Unbolt and remove the manifold. Remove the bolts attaching the starter, then swing starter out of the way.
14. Remove the studs from head. Place the JBA Gasket on the cylinder head using the top front & rear bolt
holes and the supplied header bolts and washers. Leave the bolts loose to slide the header in place.
15. From below, slip the header into place and install the remaining bolts and washers. Torque all the header
bolts to 23 ft. Lbs.
16. Reinstall the starter. Lower the engine, replace the motor mount bolts and tighten.
17. Re-connect the stock H Pipe, or install a JBA High Flow H Pipe, and re connect the O2 sensors.
18. Check to make sure that all the wiring, fuel lines, transmission cooler lines, brake lines, hoses, etc. are clear
of the headers or any exhaust components and reroute or relocate those components as necessary.
19. Install the battery tray and battery. Install the Strut brace is removed. Re connect the battery. Start the car,
check for leaks and test drive. Let the motor cool down and re-torque all fasteners.
20. Header bolts can become loose in normal use, periodically check and retighten as necessary.
17. Reconnect the battery.
19. Start the engine, check for leaks and test drive. Then let engine cool and then re-torque the header bolts.
20. Periodically check and retighten the header bolts.
17. Reconnect the battery.
19. Start the engine, check for leaks and test drive. Then let engine cool and then re-torque the header bolts.
20. Periodically check and retighten the header bolts.