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What is the gear ratio for 1985 ford f350?

There's no single gear ratio for a 1985 Ford F-350. The gear ratio in the rear axle depended on several factors chosen by the original buyer, including engine size, transmission type (manual or automatic), intended use (heavy towing vs. general driving), and optional equipment.

To find the gear ratio for *your* specific 1985 Ford F-350, you need to:

* Check the Vehicle's Data Plate: This sticker, often located on the driver's side doorjamb, might list the axle ratio. Look for codes or numbers that indicate the ratio (e.g., 3.50, 4.10, 4.56).

* Inspect the Differential: This is more involved and requires getting under the truck. Look for numbers stamped on the differential housing itself. These numbers often indicate the gear ratio. You may need a flashlight and possibly a mirror. Online resources for Ford trucks can help decipher these markings if you find them.

* Review the Owner's Manual (if you have it): The original owner's manual may specify the axle ratio.

Without knowing your truck's specific configuration, it's impossible to give you the correct gear ratio.