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Performance Upgrades - Maintenance - Modifications - Problem Solving - Off-Road - Street Trucks. Covering the Explorer, ST, Sport, Lincoln Aviator, Sport Trac, Mercury Mountaineer, Mazda Navajo, Ford Ranger, Mazda Pickups, and the Aerostar. Featuring H.I. - Human Intelligence.
Ranger:
- 82: Open 7.5 w/ 3.08 ratio
- 84: Open 7.5 w/ 3.45 ratio
- 86: Open 7.5 w/ 3.73 ratio
- 87: Open 7.5 w/ 4.10 ratio
- 91: Open 8.8 w/ 3.27 ratio
- 92: Open 8.8 w/ 3.08 ratio
- 95: Open 8.8 w/ 3.55 ratio
- 96: Open 8.8 w/ 3.73 ratio
- 97: Open 8.8 w/ 4.10 ratio (common on 2wd 4 cylinder)
- 98: Open 8.8 w/ 4.56 ratio (not a ratio installed on Rangers)
- F4: Limited Slip 7.5 w/ 3.45 ratio
- F6: Limited Slip 7.5 w/ 3.73 ratio
- F7: Limited Slip 7.5 w/ 4.10 ratio
- R5: Limited Slip 8.8 w/ 3.55 ratio
- R6: Limited Slip 8.8 w/ 3.73 ratio
- R7: Limited Slip 8.8 w/ 4.10 ratio (common on 2wd 4 cylinder)
- R8: Limited Slip 8.8 w/ 4.56 ratio (not a ratio installed on Rangers)
Bronco II:
- 42: Open 7.5 w/ 3.45 ratio
- 44: Open 7.5 w/ 3.73 ratio
- 47: Open 7.5 w/ 4.10 ratio
- D2: Limited Slip 7.5 w/ 3.45 ratio
- D4: Limited Slip 7.5 w/ 3.73 ratio
- D7: Limited Slip 7.5 w/ 4.10 ratio
Explorer: (Most Explorer's have rear disc brakes, however, earlier modles have drum brakes)
- 41: Open 8.8 w/ 3.27 ratio
- 43: Open 8.8 w/ 3.08 ratio
- 44: Open 8.8 w/ 3.73 ratio
- 45: Open 8.8 w/ 3.55 ratio
- D1: Limited Slip 8.8 w/ 3.27 ratio
- D2: Limited Slip 8.8 w/ 4.10 ratio
- D4: Limited Slip 8.8 w/ 3.73 ratio
- D5: Limited Slip 8.8 w/ 3.73 ratio