The rear axles should be compatible. The automakers finally stopped the silly 60's practice of having different grade drivetrain bits depending on engine size. The gear ratio may be different for auto / stick trans and will be biased toward a high numeric gear (like 3.08:1)


1987 Raider - Roxy
1988 Mighty Max 2.6L Turbo - Pearl
1997 Mountaineer V8 - Freddy
2000 Excursion V10 - Freya