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1986-93 Ford Mustang GT 5.0L

W/AOD Automatic Transmissions

Full Length Headers

Part # 1531/15310

INS-176

IMPORTANT NOTE!!! Be sure to remove the engine fan shroud and start the installation on

the driver side!

Follow these instructions carefully to ensure correct fitment and operation.

Special Tools

Required:

•

Sawz-All

Install Time:

Approximately

3 Hours

Difficulty:

3 out of 5

STEP 1

STEP 6

• Disconnect the negative battery terminal.

STEP 7

STEP 2

• Remove the 2 bolts on the steering joint at the

rack and pinion and remove the single bolt in

the shaft at the fire wall, then remove the

steering shaft.

• Remove the air intake tube and air box, and

then remove the engine fan shroud.

• Disconnect the oxygen sensors on each side of

the oil pan.

STEP 5

• Raise the vehicle and support on sturdy jack

stands.

STEP 4

• Remove the spark plugs and wires. Mark the

wire placement for re-assembly.

STEP 3

• Remove the rubber EGR hoses from the

passenger side. Disconnect from the air pump

and from the hard lines at the rear of the engine.

STEP 9

• Remove the exhaust manifold collector nuts and

remove the mid pipe.

STEP 8

• Disconnect the EGR tube at the catalytic

converters.

STEP 10

• Remove both of the stock manifolds. Remove

the oil dip stick and tube, and then unbolt the

starter.

Summary of content (2 pages)

PAGE 1
986-93 Ford Mustang GT 5.0L W/AOD Automatic Transmissions Full Length Headers Part # 1531/15310 Special Tools Required: • Sawz-All Install Time: Approximately 3 Hours Difficulty: 3 out of 5 IMPORTANT NOTE!!! Be sure to remove the engine fan shroud and start the installation on the driver side! Follow these instructions carefully to ensure correct fitment and operation. STEP 1 STEP 6 • • Disconnect the negative battery terminal. Disconnect the oxygen sensors on each side of the oil pan.
PAGE 2
1986-93 Ford Mustang GT 5.0L W/AOD Automatic Transmissions Full Length Headers Part # 1531/15310 STEP 17 STEP 11 • Clean off all of the old gasket material from the cylinder head surfaces. STEP 12 • Remove the EGR crossover tube from the back of the heads and remove the entire EGR tube assembly. • STEP 18 • STEP 13 Remove both motor mount stud nuts where the mount bolts to the frame and jack up the engine so that the studs are clear of their mounting pads. Use extreme caution when lifting the engine.