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1948 - 1956 F1, F100 & Larger F-Series Trucks Discuss the Fat Fendered and Classic Ford Trucks

changing rear in F2

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Old 06-10-2013, 09:40 AM
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changing rear in F2
i have looked here.. googled... ask.... and can't find.. what i'm looking for is the gear ratio's offered in the '68 to '72 F250 to put in my '51 F2 truck.. or maybe a code to look for...
 
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Old 06-10-2013, 10:55 AM
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If it's the Dana 60 I believe you can get R&P's anywhere from 3.54 to 5.13
 
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Old 06-10-2013, 08:08 PM
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I know the one I grabbed out of a 69 F-250 had 3.54 with factory locker
 
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Old 06-11-2013, 01:31 PM
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79 ????
Originally Posted by irondragon79
I know the one I grabbed out of a 69 F-250 had 3.54 with factory locker
how much of difference did it make from the 486's with respect to speed.???
 
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Old 06-12-2013, 02:06 AM
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Originally Posted by delawarebill
how much of difference did it make from the 486's with respect to speed.???
Calculator shows for a engine speed of 2000 with tires being the same, 36mph for the 4.86 would then be 50mph with 3.54s.
 
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