PerTronix Dougs Headers D3338 User Manual
Page 2

Part No. 0110-003066
Page 2 of 3
rev.1 9-6-13 DSL
6.
Remove spark plug wire looms, plugs and any brackets attached to the manifolds.
7.
Disconnect the O
2
sensor wiring.
8.
Remove the O
2
sensors.
9.
Remove the oil dipstick and tube.
10. Remove both of the exhaust manifolds.
11. Remove the starter.
12. Replace the spark plugs finger tight so debris will not get into the cylinders while
cleaning the head surface. We recommend the use of a gasket scraper, wire brush,
and sanding block to adequately clean the surface.
13. After cleaning is complete remove the spark plugs again.
14. Remove the oil filter.
15. Apply a THIN film of Ultra Copper Hi-Temp Sensor-Safe Silicone Sealer to header side
of the header gaskets and stick the gaskets to the header flanges. Masking tape can
be used to help hold the gasket to the header.
RIGHT SIDE:
1. Apply a THIN film of Ultra Copper Hi-Temp Sensor-Safe Silicone Sealer to engine
side of the header gasket.
2. Apply anti-seize to all header bolts being used.
3. Starting from below, work the header and gasket up through the chassis into
position.
4. Start all header bolts.
5. Tighten all header bolts evenly (most restricted first) 18 ft./lbs on aluminum heads
or 25 ft/lbs on Iron Heads.
6. Reinstall the right side spark plugs, wire looms, starter and dipstick tube and
dipstick.
7. Reinstall the O
2
sensor.
8. Reconnect the O
2
sensor to the O
2
harness with the supplied extension.
9. Install the slip-on reducer and band clamp.
10. Cut the old exhaust pipe and weld as necessary to the new reducer.
LEFT SIDE:
1. Apply a THIN film of Ultra Copper Hi-Temp Sensor-Safe Silicone Sealer to engine
side of the header gasket.
2. Apply anti-seize to all header bolts being used.
3. Starting from below, work the header and gasket up through the chassis into
position.
4. Start all header bolts.
5. Tighten all header bolts evenly (most restricted first) 18 ft./lbs on aluminum heads
or 25 ft/lbs on Iron Heads.
6. Reinstall the oil filter.
7. Reinstall the left side spark plugs, wire looms and any brackets.
8. Reinstall the O
2
sensor.
9. Reconnect the O
2
sensor to the O
2
harness with the supplied extension.
10. Install the slip-on reducer and band clamp.