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3.31 am i screwed

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Old 11-30-2010, 02:18 PM
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3.31 am i screwed

Working on a rebuild of a DD for my Godfather. its a 95 f150 regular cab, 8 foot bed, 5.0L 4r70w trans 4x4 . I discovered today that my gear ratio is 3.31.. EWWW WOW holy snikes.. I bought the truck with a blown engine, I am working on the build, now.. waiting on the machine shop. This truck is for a daily driver, that will haul some firewood, and climb a steep mountain road in the winter... How bad will these gears hurt my torque. Suggestions?
 
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Old 11-30-2010, 02:20 PM
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go to the junk yard and pull better gears they will be much cheaper there
 
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Old 11-30-2010, 02:22 PM
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Drive it and find out. You may like them for your driving and the fuel ecomomy
 
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Old 11-30-2010, 02:29 PM
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3.55s will be very easy to find and will be slightly better than what you have now.
 
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Old 11-30-2010, 02:47 PM
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tires stock or close to stock?
 
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Old 11-30-2010, 02:52 PM
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Thats better than 3.08 , like Brad said drive it & see , the 4R70W has the wide ratio gear set in them , so 1st & 2nd gear are lower , plus the 95 will have more hp than the older 302s , it should be a mass air motor ....Lew
 
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Old 11-30-2010, 03:14 PM
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Tires will be standard 235 75 15 XL with a decent tread on them

Motor is Mass Air

Just not used to a 3.31 usually 3.55 or 4.10 around here....

Truck did come from Maryland
 
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Old 11-30-2010, 03:37 PM
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I like the lower gears in the 302 to , if you don't like the 3.31 i would go to 4.10 , the 3.55 won,t help,,,,,
 
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Old 11-30-2010, 04:06 PM
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Originally Posted by lew52
I like the lower gears in the 302 to , if you don't like the 3.31 i would go to 4.10 , the 3.55 won,t help


^^^^^spot on
 
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Old 11-30-2010, 04:17 PM
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I don't think you'll have any trouble with those gears doing what you listed. I don't think a change to 3.55 would be big enough to make a huge difference. I have 3.55's with the same size tire as you, and while it isn't a rocket ship with a trailer, it gets the job done.
 
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Old 11-30-2010, 06:44 PM
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I think that those gears with stock or even 30x9.50x15 tires would be alright.
 
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Old 11-30-2010, 08:29 PM
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+10

Keep 'em. They will be fine on those tire like Texas mentioned, and the tranny has a decent gear set like Lew said...
 
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Old 11-30-2010, 08:46 PM
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As for climbin steep hills that's what low range is for lol
 
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Old 12-01-2010, 01:16 PM
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Originally Posted by TexasGuy001
I think that those gears with stock or even 30x9.50x15 tires would be alright.
I got 3.55's and 30" tires and... NOPE.. it ain't enough gear for a 5.0 and heavy hauling IMO. In hilly terrain and when hauling just turn off OD and the truck should do OK, not great but proibably good enough for a DD.
 
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Old 12-01-2010, 01:42 PM
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Originally Posted by Conanski
I got 3.55's and 30" tires and... NOPE.. it ain't enough gear for a 5.0 and heavy hauling IMO. In hilly terrain and when hauling just turn off OD and the truck should do OK, not great but proibably good enough for a DD.
Keep in mind this is coming from a guy with this in his signature:

1996 Kawasaki ZX11D w D&D 4into1 and jet kit. 550lbs, 150hp.


For a DD and some occasional hauling, I think it will be fine and not worth the expense/hassle of a gear change.
 


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