PerTronix Dougs Headers D330 - Manual (Page 2)

Part No. 0110-003096
Page 2 of 4
8-15-2011 DSL
3. Remove the Spark Plugs and Wires, Oil Dipstick Tube, Air Conditioning compressor,
and Power Steering Pump.
4. Remove the headpipes and catalytic convertors from the stock manifolds and push the
pipes out of the way
5. Remove the 6 manifold bolts from each manifold and remove the manifolds.
6. Remove the gaskets and any gasket material or any carbon deposits that remain on the
head surface. The use of a gasket removal agent will ease the removal of any gasket
material.
7. On Colum shift models, remove the shift linkage, cross shaft, and cross shaft pivot.
8. Remove the driver
’s side rear lower control arm bolt and reverse it so that it installs
from the rear to allow clearance on the header tube.
INSTALLATION
1. These headers have one tube on each side that are removable and are a slip fit. They
come with the flange not cut completely to help protect the header during shipping. The
flange needs to be cut to remove the tube before attempting installation.
2. Starting on the driver ’s side from below, work the header up into position with the #4
tube removed.
3. Slip the gasket into position and start all the supplied header bolts and special lock
washers, leaving them loose.
4. Cut a hole in the inner fender panel for the #4 tube to slip through. See Illustration A.
5. From below, slip the #4 tube into position, sliding the end into the main header and then
starting the header bolts.
6. Check that everything lines up properly and that there is adequate clearance around
the inner fender. Tighten all the header bolts evenly, starting from the center outward to
a final torque of 35 ft. lbs. on iron heads
7. On Air conditioned models, cut the A/C bracket as shown in Illustration B and reinstall
using the supplied spacer and stock stud bolt.
8. Starting from below, work the passenger side header into position with the #4 header
tube removed.
9. Slip the gasket into position and start all the supplied header bolts and special lock
washers, leaving them loose.
10. Cut a hole in the inner fender panel for the #4 tube to slip through. See Illustration A.
11. From below, slip the #4 tube into position, sliding the end into the main header and then
starting the header bolts.
12. Check that everything lines up properly and that there is adequate clearance around
the inner fender. Tighten all the header bolts evenly, starting from the center outward to
a final torque of 35 ft. lbs. on iron heads
13. Reinstall the Spark plugs and wires, the oil dipstick tube, and power steering pump.
14. On column shift cars, modify the cross shaft pivot bracket as shown in Illustration C.
15. Reinstall the modified bracket, cross shaft, and linkage.
16. Connect the negative battery cable.
17. Cut the headpipes to match the reducers if the original exhaust is to be used.
18. Reducers with Oxygen Sensor Bungs are available if needed, part #H7232