INSRUCTIONS FOR 81-84 305/350 All




Auto Specialties recommends these pulleys be installed by a qualified mechanic.

1. Loosen crank pulley center bolt and three mounting bolts.

2. Loosen all belt adjustment screws on smog pump, alternator, AC and power steering pump. Remove belts.

3. Remove crank pulley bolts and pulley. Remove alternator pulley if new alternator pulley is supplied with kit.

4. Install Auto Specialties crank & (alt.) pulley. Torque bolts to 50 ft/lbs approximately. Use Loctite thread loc #242, or equivalent, to secure bolts.

5. Install power steering belt, AC, alternator and original belt on smog pump. Adjust power steering belt first. Tighten power steering mounting bolts. Adjust and tighten AC, alternator and smog pump. (See back for belt part numbers.)

6. We recommend warm idle speed for automatic cars set at 650-700 RPM in drive; standard shift 700-750.

Belt List

Belts used on vehicles which use Auto Specialties Pulleys cover a wide range of lengh combinations. Following is a selection of required belts based on the standard belt. All part numbers are Dayco brand belts which easily convert to the brand of your choice. Use original smog pump belt.

             ALTERNATOR BELT
    Original Belt      Install Belt
  • 15485       15460
  • 15480       15455
  • 15475       15450
  • 15470       15445
  • 15465       15440
  • 15460       15435
  • 15455       15430
  • 15450       15425
  • 15445       15420
  • 15440       15415
  • (2 1/2" shorter)
  • (2" shorter w/alternator pulley)
              POWER STEERING
    Original Belt       Install Belt
  • 15430       15400
  • 15423       15395
  • 15405       15375
  • 15400       15370
  • (3" shorter)
             AIR CONDITIONER
    Original Belt       Install Belt
  • 15565       15550
  • 15560       15545
  • 15555       15540
  • 15550        15535 (1 1/2" shorter)






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