rear end gear sizes

[silver03]

can anyone confirm if 3. 73 is the lowest numerically gear we can put in an 03? local ring and pinion shop says the way the speedo pickup is mounted, limits the gear sizes.

 

[timjones]

Per AAM's web site:

AAM 1150 Cast Iron 290 mm Salisbury 4950 kg 11300 Nm 3. 54 - 5. 75 TracRiteª



http://www.americanaxle.com/technology/tech_prod_dl_rearaxle.html