PerTronix Dougs Headers D3334 - Manual (Page 2)

Part No. 0110-003084
Page 2 of 3 rev.1 9-6-13 DSL
11. Unbolt the A.I.R. fittings from the manifolds. Remove the rubber hose and set the A.I.R.
assemblies aside.
12. Remove the 6 manifold bolts from each manifold.
13. Remove the manifolds from the car, they slip out easiest from underneath.
14. 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.
INSTALLATION
1. Remove the Oxygen Sensors from the stock manifolds and install them into the Doug’s
Headers. Use a small amount of Anti Seize on the threads; be careful not to get any on
the probe as this can contaminate the sensor causing poor running and decreased
performance.
2. Starting on the passenger side, remove the lower nut of the motor mount and raise the
engine about 1”. Remove the starter and let it rest on the oil pan “Shelf”.
3. Apply a THIN film of Ultra Copper Hi-Temp, Sensor-Safe Silicone Sealer to each side
of the header gasket and stick the gasket to the header flange. Apply anti seize to the
supplied header bolts.
4. Install the right side header and gasket from above and using the supplied bolts and
washers start two of them to hold the header in place, leaving the header loose.
5. Replace the starter motor and reroute the wires as necessary to keep them off the
header.
6. Lower the motor back onto the motor mount and retighten the nut.
7. Install the remainder of the header bolts and torque to 18 ft./lbs on aluminum heads or
25 ft/lbs on Iron Heads. Tighten the center two bolts first and then work your way out.
8. Reinstall the oil dipstick.
9. Moving to the driver’s side, remove the motor mount nut and raise the engine about 1”.
10. Apply a THIN film of Ultra Copper Hi-Temp, Sensor-Safe Silicone Sealer to each side
of the header gasket and stick the gasket to the header flange. Apply anti seize to the
supplied header bolts.
11. Install the left side header and gasket from above and using the supplied bolts and
washers start two of them to hold the header in place, leaving the header loose.
12. Lower the motor back onto the motor mount and retighten the nut.
13. Install the remainder of the header bolts and torque to18 ft./lbs on aluminum heads or
25 ft/lbs on Iron Heads.
14. Tighten the center two bolts first and then work your way out.
15. Re install the spark plugs and plug wires
16. Re install the coil packs and connect the wiring. Reconnect the O2 sensor wires.
17. Using the new gaskets, install the A.I.R. tube using the supplied bolts, washers and
nuts.
18. Install the plastic cover for the fuel rail / coils.
19. Re-install the alternator, belt, and electrical connectors.
20. The headers are designed for a slip fit on the exhaust for maximum clearances. After
fitting your exhaust pipes, use the supplied stainless steel band clamps the secure the
exhaust to the headers.
21. Connect the negative battery cable.