PerTronix Dougs Headers D3354 User Manual
Page 2
Part No. 0110-003087
Page 2 of 3
Rev 3 9-6-2013 DSL
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.
Apply anti seize to the supplied header bolts.
3.
Install the right side header (from Below) and gasket using the supplied bolts and washers.
Tighten the center two bolts first and then work your way out. Torque to 18 ft./lbs on aluminum
heads or 25 ft/lbs on Iron Heads.
4.
Install the A.I.R. tube and new gasket using the supplied bolts, washers and nuts.
5.
Reinstall the oil dipstick and tube.
6.
Install the left side header (from Above) and gasket using the supplied bolts and washers using
the anti seize. Leave loose until steering is back in.
7.
Replace the steering shaft and cross bolt, tighten to factory spec.
8.
Tighten all header bolts starting with the center two and working your way out. Torque to 18
ft./lbs on aluminum heads or 25 ft/lbs on Iron Heads.
9.
Reinstall spark plugs and wires and re connect the oxygen sensor wires.
10. Connect the factory Y Pip
e or the Doug’s High Flow Y Pipe part #D926
11. 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 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.
STARTING 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.
PARTS LIST
Qty
Description
1
Left Side Header
1
Right Side Header
2
Header Gaskets
12
8mm-1.25 X 25mm, Header Bolts
12
Lock-Washer (8mm)
1
Gasket (A.I.R.)
2 5/16-
18x1’’ Button Head Allen
2 5/16-18 Hex Nuts
2 5/16 Internal Tooth Lock Washer
6 3/8-16 X 1-
1/4” Collector Hex Head Bolts
6 3/8-16 Hex Nuts
6 3/8” Lock Washers
2 Collector Extensions