Assembly, Important check list – PerTronix Dougs Headers D6677 User Manual
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Part No. 0110-003057
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Rev 1 3-5-13 DSL
10. Clean the cylinder head surface which mates to the header. Use a gasket scraper and wire
brush to make sure that the surface is absolutely clean.
11. After cleaning is complete remove the spark plugs again.
ASSEMBLY
1. Apply anti-seize to all header bolts being used.
2. Apply a THIN film of Ultra Copper Hi-Temp Sensor-Safe Silicone Sealer to the header side of
the 2 supplied gaskets and glue them to the headers. Masking tape can be used to help stick
the gasket to the manifold.
3. Apply a THIN film of Ultra Copper Hi-Temp Sensor-Safe Silicone Sealer to the engine side of
the left side header gasket.
4. Starting from above, work the left side header down into place.
5. Start all of the header bolts for this header but leave header loose.
6. Modify the dipstick tube bracket as shown in Figure 1.
7. Re-install engine oil dipstick tube and dipstick.
8. Install 2 bolts from exhaust
system to the header using the supplied 7/16” bolts and washers
and tighten them evenly.
a. Note: On stick shift models, it will be necessary to move the clutch cable away from the
header. This can best be accomplished by bending the mounting bracket towards the
fender. Be sure cable has at least 1” of clearance from the header.
9. Apply a THIN film of Ultra Copper Hi-Temp Sensor-Safe Silicone Sealer to the engine side of
the right side header gasket.
10. Starting from above, work the right side header down into place.
11. Start all of the header bolts for this header but leave header loose.
12. Reinstall stock smog tube to bracket with stock screw.
13.
Install 2 bolts from exhaust system to the header using the supplied 7/16” bolts and washers
and tighten them evenly.
14. Tighten H-Pipe at rear joint.
15. Tighten the header bolts evenly to a final torque of approximately 25 ft. lbs.
16. Reinstall power steering pump, A/C bracket and compressor.
17. Reinstall spark plugs and plug wires.
18. Make sure all of the other fasteners are tightened.
19. Connect the negative battery cable.
IMPORTANT CHECK LIST
Be sure that all brake lines and fuel lines are clear of headers and/or connector pipes.
All spark plug wires, battery cables, or other electrical components should be clear of headers
and/or connector pipes.
If removed, make sure the dipstick is installed properly and that it has been replaced.
Double-check the tightness of all bolts including brackets and accessories.
Perform these checks again after the first 1000 miles.
Check clearance and tightness of front driveshaft.