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Differences between 250 - 350

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Old Jun 23, 2006 | 07:44 PM
  #16  
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When I registered my 06 crew cab sb 4X4 F350 SWR the only time I had to pay more than my 02 super cab sb 4X4 F250 SWR is when I licensed it for 12 tons to cover my trailer instead of 5 tons. I already have commercial insurance so they didn't care about the F350 vs. 250. However There are a few insurance companies that won't insure 1 ton trucks. I pull a pintle hitch 10 ton flatbed trailer with a skid loader, attachments, and fuel tank on a daily basis. Combined weight of trailer with load is approx. 8 ton. My F350 handles the trailer ten times better than my F250. It even rides better but that is probably because of the longer wheelbase, bigger tires, and improved front end. If you plan to pull a trailer definetely get the integrated brake controller it is by far superior to add on controllers.

Nick
 
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Old Jun 23, 2006 | 09:11 PM
  #17  
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From: Phenix City, AL
Originally Posted by harleytech
Wait a minute BFR, I'M not blasting anybody. I didn't name names. All I am saying is This has been covered Time and Time again. I can say what I want just like you....It's still America right ? Thanks....
Absolutely, you can say whatever you want. But to jack the guy up for asking a question, while not providing a bit of useful info, is completely uncalled for.

Just because it's not an issue that YOU are concerned with, does not mean that others don't want to talk about it. As I said before, YOU have the option to read, participate, and discuss in any manner you like. But keep it semi professional, semi intelligent, and assist someone looking for an answer. A simple reply such as, "Try a search", or "Here's a link", or "Check this out" gets it's point across.

Let's try this on for size.....

How many times do folks ask it a tire will fit? EVERYDAY!
How often do guys ask about auto hubs? EVERYDAY!
How man guys have a vibration? Tons!
How much power does a V8 have? Will it tow my trailer? Will I need to change the exhaust? Etc, etc, etc....

Get the point!

A little courtesy goes a long way bud. Next time YOU have a question, hopefully no one will be as discourteous to you as you were to him.

Have a nice night,
BFR
 

Last edited by BFR250SD; Jun 23, 2006 at 09:16 PM.
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Old Jun 23, 2006 | 09:32 PM
  #18  
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the rear axles on srw 250's and 350's are identical, same shafts and all, they are both sterling 10.5", the drw 350 has the dana 80, although i thought theywere 35 spline too? ive never pulled a shaft on our cab and chassis 350 to check though
 
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Old Jun 23, 2006 | 09:41 PM
  #19  
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From: Phenix City, AL
Actually the axle shafts on the 350 SRW's are 37 spline, 1.57" dia.

The 250's are 35 spline, 1.5" dia
 
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Old Jun 23, 2006 | 09:50 PM
  #20  
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i want to know where your getting this info? i pulled a shaft on an 04 f-350 and the shaft was 35 spline same as the rest of the 10.5" sterlings???
 
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Old Jun 23, 2006 | 10:20 PM
  #21  
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05's and up are what BFR said.

Check out the Body Builders guide in the Tech Folder
 
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Old Jun 24, 2006 | 07:23 AM
  #22  
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From: Phenix City, AL
Originally Posted by KubotaOrange76
i want to know where your getting this info? i pulled a shaft on an 04 f-350 and the shaft was 35 spline same as the rest of the 10.5" sterlings???
You're right, the 99-04's used the same stuff, but the 05+ trucks beefed up the rear axle.

Here's a screen shot from the Body Builders Guide:
 
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Old Jun 24, 2006 | 02:56 PM
  #23  
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I bought the 350 for the extra payload if needed
 
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Old Jun 24, 2006 | 03:13 PM
  #24  
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Originally Posted by wiingnut
I bought the 350 for the extra payload if needed


and beefed up axle.
 
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Old Jun 24, 2006 | 11:31 PM
  #25  
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thats sweet, if i would have known that i would have bought a 350, i wonder how soon before the companies come out with lockers and such for the 37 spline axle. ill have to pick up a set of shafts and the centersection to throw in my 10.25 in my 76!
 
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Old Jun 25, 2006 | 08:05 AM
  #26  
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Yeah, that's the only problem with getting the 350; nobody is making the aftermarket parts yet to support the rear axle.

Not that most 350 owners are gonna mod the snot out of their truck (axles anyway), but it would be nice to have the same availability of parts.

Heck, the only selectable for the rear 10.5 is the ARB. Nobody (other than the OEM Ford stuff) has lockers, LS's, or shafts to go in that bigger rear either.
 

Last edited by BFR250SD; Jun 25, 2006 at 08:10 AM.
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Old Jun 25, 2006 | 09:12 AM
  #27  
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do the 05-07 srw 350's still use the same springs and a 4 " block instead of a 2"?
 
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Old Jun 25, 2006 | 10:13 AM
  #28  
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From: Phenix City, AL
Yup! Everything else, suspension wise, is the same.

Blocks
2" vs 4" blocks (SRW), 2" for the DRW

Rear Axles
250 - 35 spline, 1.50" axles
350 - 37 spline, 1.57" axles

350 DRW Dana 80 rear axle
 
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