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Which Gears? HELP ASAP!

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Old May 24, 2004 | 05:37 PM
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Exclamation Which Gears? HELP ASAP!

I am going from 3.73 with 33 inch tires to either 4.30 or 4.56 gears. My questions is will 4.56 be too much gear?

My calculations show that if I get the 4.56 with the 33 inch tires that I have I will actually be at about 4.30.

Truck is a 2003 F250 Crew Shortbed 4x4.

I am getting this done for about $1300 (4x4). Opinions please!

Thanks for any help.
 
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Old May 24, 2004 | 05:51 PM
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4.56 would be my choice, if you ever go bigger on the tires you would still have enough gear. I have 4.10's in my truck with 33's, I wish I had the 4.56's. If you do any towing you will love the power you will have. Good luck


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Old May 24, 2004 | 06:03 PM
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Yeah go with 4.56's! You can run 35" tires if you ever wanted to and like Fitter said your power will be good for towing.
 
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Old May 24, 2004 | 06:21 PM
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I do tow about 10,000 pounds on a 4-6 times a year. Usually it is around 400 miles round trip through mountains.
 
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Old May 24, 2004 | 10:02 PM
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Anyone else switch gears? Opinions? Thanks.
 
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Old May 24, 2004 | 11:45 PM
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Originally Posted by Mwachel
I do tow about 10,000 pounds on a 4-6 times a year. Usually it is around 400 miles round trip through mountains.
get the 4.56s, you'll kick yourself on the first mountain pass and you get smoked because of not enough gear..
 
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Old May 25, 2004 | 08:11 AM
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I have an 01 250 5.4L CC LB W/35" tires and I have the 4.56 gears front & rear. Installed here in MS. for $1400.00. I am very happy with this combo of gears & tires. It doesn't shift out on hills and over passes any more. It pulls HARD too.
I would say if your keeping 33s on your truck you'll be fine with 4.30s. So you will wish for lower gears 4 days a year and be happy 361 other days. I could live with it!
 
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Old May 26, 2004 | 04:02 PM
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Talking Decision made.

After talking with a bunch of people that own F250's and the driveline shop I have decided to go with the 4.56 gears.

With 33" tires my actual gear ratio will be right at 4.30 so that will work out really well. I also looked at the RPM difference between the 4.30 and the 4.56 gears at 65-80mph and the difference isn't that much. When my current tires wear out I will probably get some 35" tires and a 3-4 inch lift.

Thanks for the info!!!! I love these forums!

Mike
 
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Old May 26, 2004 | 06:24 PM
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Front and rear gear swap?
 
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Old May 26, 2004 | 10:59 PM
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Originally Posted by boxcar1974
Front and rear gear swap?
Yep. Would be a bad thing not to do the front to.
 
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