PATRIOT Exhaust H8049 Full-Length Headers Instruction Manual

June 9, 2024
PATRIOT

PATRIOT Exhaust H8049 Full-Length Headers Instruction Manual
PATRIOT Exhaust H8049 Full-Length Headers

PERTRONIX PERFORMANCE BRANDS EMISSIONS CODES

This Product is LEGAL for Closed Course Competition use or Pre-Emissions Controlled Vehicles ONLY. It is Not Legal for use on any Emissions Controlled Vehicle for Street or Off Highway use.
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WARNING.

. This product can expose you to chemicals including Lead, Nickel, Cadmium and Chromium which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov

PLEASE READ BEFORE PROCEEDING

Per Troniethanks you for choosing a Patriot Exhaust Product. To realize the potential of Patriot’s engineering and excellent fit, Please Read and Understand these instructions completely prior to starting the installation.

Check that you received all the parts listed on the parts list, if you have any concerns, please contact PerTronix before continuing. Headers will have the part number stamped in the flange.

Work Smart — Work Safe! Most Header and Exhaust Installation are best performed on a lift. If a lift is not available, raise the vehicle and support on quality Jack Stands on level ground. Do not rely on a jack!

Many factors affect he installation of exhaust headers, including worn or aftermarket motor mounts, previous accident damage, aftermarket cylinder heads that may have relocated port or spark plug locations, suspension and steering changes, sagging of original unibody structures due to age.

Coating Notes: Coatings can be marred during installation if you are not careful. If you are breaking in a new motor, the extreme heat can alter the appearance of the coating and this is not a warranty issue.

We recommend breaking in new motors with stock manifolds or an old set of headers. We use sealing beads on all our headers. The raised bead creates a better seal virtually eliminating leaks if installed properly. It is important to install all header bolts lightly snug and then tighten to factory torque specs starting in the center and working outward.

Before starting, allow the vehicle to cool, disconnect the battery, and spray a penetrating oil on all hardware and fittings that will need to be removed. Once you remove your manifold, clean the sealing surface on the head of any old gasket debris or carbon build up.

  • Does not accommodate A.I.R. Injection Systems
  • Models with an alternator/generator mounted on the head will require brackets Part No. H7606 and H7607.
  • For model years 1980 and later, Reducers, Part No. H7232, are available with an O2 sensor fitting.

DISASSEMBLY

  1. On manual trans equipped 67-73 models remove the clutch linkage.
  2. Remove A/C Compressor. If mounted on left side also remove the rear bracket
  3. Remove the alternator or generator.
  4. Remove the starter cable.
  5. Remove and mark all spark plug wires.. Note: remove and spark plug shields if so equipped, they cannot be used with this header.
  6. Remove the dipstick tube and dipstick.
  7. Disconect the head pipes from the exhaust manifolds and remove  the manifolds.
  8. In order to install the headers it will be necessary to move the stock headpipes out of the way. If you are going to install a new exhaust then remove the entire stock exhaust at this time. If you are going to reuse the original exhaust then drop it out of the way.
  9. Remove 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.

ASSEMBLY

  1. Apply a small amount of anti-seize to the header bolts supplied with the headers.
  2. Start from below, work the header up through the chassis into position over the exhaust ports. Start all the header bolts (most restricted first) and tighten evenly. Note: Some models will require that a small section be ground away from the rear top corner of the motor mount to provide additional header clearance.
  3. If the alternator or generator was mounted to the left side exhaust manifold, you will need Patriot brackets number H7606 & H7607 to remount the alternator or generator. See Illustration.
  4. If the A/C compressor was mounted to the left side exhaust manifold on 1978 and older vehicles you will need Patriot bracket part number H7608. 1979 and newer vehicles with the short A/C compressor can reuse the original bracket. See Illustration
  5. If equipped with power steering, use a furnished 1-¼” spacer when replacing the pump bracket for adequate header clearance. Use the stock (longer) bolt in this location instead of the supplied 3/8”-16 x ¾” header bolt. See Illustration
  6. Tighten all the header bolts evenly to a final torque of approximately 35 ft. lbs.
  7. Note: For auto trans, it may be necessary to modify (bend) the shift linkage for the proper functioning and/or adequate header clearance.
  8. Replace the dipstick tube and dipstick.
  9. Replace the spark plugs wires.
  10. Replace the clutch linkage (if removed). On 1974 models only, shorten the return spring approximately 2” and attach it to the existing hole in the frame. See illustration
  11. Start from below, work the header up through the chassis into position over the exhaust ports. Start all the header bolts (most restricted first).
  12. f the alternator/generator or A/C was removed, remount with the purchased bracket.
  13. Tighten all the header bolts evenly to a final torque of approximately 35 ft. lbs.
  14. Reinstall the spark plugs and spark plug wires.
  15. Reroute the starter cable and install.
  16. Weld the reducers to the exhaust system and install them onto the headers utilizing the gaskets and bolts supplied.
  17. Connect the negative battery cable.
  18. Check over the installation to make sure that all wires, lines, hoses. etc. are connected and have adequate clearance to protect them from the heat generated by the headers.

Assembly

Left Side Alternator Bracket

IMPORTANT CHECK LIST

  • Be sure that all brake lines, transmission lines, and fuel lines are clear of headers and/or connector pipes. r
  • All spark plug wires, battery cables, or other electrical components should be clear of headers and/or connector pipes. ‘Ar
  • 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.

START THE ENGINE
Start the engine and allow it to warm up to operating temperature. Check for any unusual noises or exhaust leaks. If everything 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

1 Left side header 1 Right side header 2 Reducers 2 Header gaskets 2 2-1/2″ flat gaskets 12 3/8″-16 x 3/4″ header bolts 6 3/8″-16 x 1″ hex head cap screws 6 3/8″-16 hex nuts 1 Spacer

PATRIOT EXIIAUST LIMITE I) WARRANTY

All Patriot Headers and Exhaust products are guaranteed, to the original purchaser, to be free of defects in material and workmanship for one year from date of purchase. This warranty covers the replacement or repair of the product and does not cover the cost of removal and installation, customer applied coatings, or Any discoloration or corrosion of finished surfaces.

Damage or product failure resulting from collision, improper installation, off road use, road hazards, the use of exhaust insulating wrap, or rust occurring after installation is not covered by the warranty. This warranty extends only to the original purchaser.

Should a part be deemed defective, it should be returned to the original selling retailer and must be accompanied by the sales receipt. If there is no retailer in your area, contact PerTronix direct for a return authorization and return the part prepaid to the factory for inspection. PerTronix reserves the right to replace or repair the alleged defective part and return the part freight collect.

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