Vin:3FTNX21L83MB23813 What engine & rearend gear ratio does it have?In 2003 what gear ratio's were offered in F-250?
http://www.fordf150.net/howto/decodevin.php -- this may help you find that info
2003 f250 super duty vin 1FTNW20L93B97168 has what rear end axle ratio
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