First thing, your post is in the Grenada forum, you may want to repost it. The gears should be around 3.00 of 3.50's. Look at the rear end to see if there is a tag on it, if it does the ratio would be on it.
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Allen D
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64 Galaxie 500 with 428 FE
66 F-100 4x4 With 67 GT 390 Hi Pro and Toyota Power Steering
67 F-100 2wd for parts
68 F350 crew truck
80 Bronco with a 460 engine
90 Aerostar With 4.0
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07 Mustang with 4.0
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