PerTronix Dougs Headers D3302-1 - Manual (Page 3)

Page 3 of 3
Part No. 0110-003011 Rev.2 11-19-13 DSL
6. Install the dipstick tube in the block and install the header bolt into the bracket, but do
not tighten at this time.
7. Tighten the EGR tube and evenly tighten all the header bolts on both sides of the
engine to a final torque of 35 ft. lbs.
8. Install the connector pipes by sliding them onto the front of the catalytic converters and
bolt them to the headers utilizing the donut gaskets and 3/8 bolts, nuts and lock-
washers provided. Do not tighten the bolts at this time. Note: Some trimming of the
connector pipes will be necessary to achieve proper fit. You may also trim from
the front of the catalytic converter in front of the weld but do not trim on the
converter side of the weld.
9. Adjust the connecter pipes for best fit and tighten the bolts at the header connections.
10. If you have access to a welder, weld the pipes to the front of the catalytic converts. If
you do not have welding equipment then proceed to the next step and drive the truck to
a shop for this welding operation.
11. Install the O
2
Sensors and connect the wires
12. Install the spark plugs and attach the appropriate wire to the spark plug and reattach
the spark plug wire looms.
13. Remove any covering that was placed over the intake and install the air inlet ducting.
14. Connect the negative battery cable.
START THE ENGINE
Start the engine and allow it to warm up to operating temperature. Check for any unusual noises or
exhaust leaks. If every thing is OK, stop the engine and tighten all bolts while the engine is still warm.
NOTE: Check the bolts periodically to make sure they have not loosened. Re-tighten after the first 500
miles and then again at 1000 miles.
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 dipstick tube was removed, make sure it is installed properly and that the dipstick has been
replaced.
Double-check the tightness of all bolts including brackets and accessories.
PARTS LIST
Qty Description
1 Left side header
1 Right side header
1 Left side connector pipe
1 Right side connector pipe
2 Header gaskets
2
2 ½” Metal donut gasket
12 3/8”-16 x 1 ¼” header bolts
6
3/8”-16 x 2 ¼” hex bolts
18 3/8” lock-washers
1 Sticker (C.A.R.B., E.O., D-57-19)