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Old Dec 20, 2010 | 06:21 PM
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lower truck

I need to lower my F350 superduty, about 5 inches, to allow me to tow my fifth wheel. Any ideas??
 
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Old Dec 20, 2010 | 06:24 PM
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Hi NewfieBob and welcome to FTE.

You can get the rear down a few inches by using F-250 blocks instead of F-350 blocks, but lowering the truck 5 inches is going to be a major change.

Is this a 2WD or 4WD truck?
 
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Old Dec 20, 2010 | 06:27 PM
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Something I have never heard of or seen. Is the truck lifted?
 
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Old Dec 20, 2010 | 07:40 PM
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lower truck

My baby is a 4 wheel drive. Can the blocks be taken out completely??
 
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Old Dec 20, 2010 | 07:51 PM
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Don't lower the truck raise the trailer. Perform an axle flip on the trailer and you'll gain almost 5 inches. Most RV'ers normally flip the axles to allow more clearance anyway.
 
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Old Dec 20, 2010 | 08:22 PM
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I thought of that first but my axels on the trailer are already flipped. I am wondering what will happen if I pull the blocks out all together, Will it affect anything else or will it just lower the truck. She rides really high in the back now so if nothing else it would level the truck. Your thoughts!!
 
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Old Dec 20, 2010 | 08:30 PM
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What year is your F350? I guess you already adjusted the 5th wheel pin all the way up?
 
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Old Dec 20, 2010 | 08:39 PM
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lower truck

Hi Pipe..

My truck is a 2000 F 350 4x4 XLT Lariot, superduty 7.3 turbo extend a cab with 23000 yep thats 23000 origional kilometers on her. Just like a brand new one. Bought her from an old guy who took her to the grocery store. Those stories really do, occassionally happen.
 
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Old Dec 20, 2010 | 08:47 PM
  #9  
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WOW! Super nice truck! We need to see some pictures.

Back to the issue...you can change to F250 rear blocks not sure I would would run it without any blocks you might find the rear sagging after you get the trailer attached. Have you had the trailer attached? How much does it drop with the trailer on the hitch? Is this where your 5" calculation is coming from?
 
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Old Dec 20, 2010 | 09:00 PM
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I have the hitch in the truck now and when hooked up she doesn't sag a bit. The problem is the trailer is on a very sharp angle. I have the hitch up as far as it will go on the trailer and that doesn't help so the only way I can think of is to lower the truck. I have heard of this before and I know that if back then,2000, you ordered a truck for towing fifth wheels they came lower but I don't know what they did at the factory to make it lower. I don't want to start tearing things out from under the truck not knowing what the end results will be.

She is a real pretty truck. Black with the gold bottom. He had a sun visor put on her and running boards. The old guy I got her from is now 83 so you know she wasn't abused. He told me he bought her cause is wife didn't want him to...God bless her.

Take care and thanks for the replies.
 
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Old Dec 20, 2010 | 09:06 PM
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Well...let's see what some of the other guys here think, but I don't think it would hurt anything if you pulled the rear block out, that would give you 4 inches. Keep us updated.
 
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Old Dec 20, 2010 | 09:10 PM
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Will do and thanks for the info. I guess I needed to hear that from some one else to convince myself.

Bob
 
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Old Dec 20, 2010 | 09:43 PM
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Below is a TSB 07-7-2 on this for the 05 - 08 trucks...should be along the same lines for your like new older truck as well. If you can get a copy of the original TSB it will have the Ford part numbers for the blocks/ubolts based on wheel base and the same to select the correct shock.



07-7-2 REAR OF VEHICLE IS TOO HIGH/LOW - 5TH WHEEL AND GOOSE NECK APPLICATIONS - 4X4 VEHICLES ONLY

Publication Date: March 26, 2007

FORD: 2005-2008 F-Super Duty


ISSUE:
Some 2005-2008 F-Super Duty vehicles my exhibit a clearance concern when using the vehicle to tow some goose neck and 5th wheel trailer applications.

ACTION:
Follow the Service Procedure steps to change the rear ride height.

SERVICE PROCEDURE

Rear ride height may be reduced or increased by:

Lower - vehicles that have the 4" (10 cm) spacer block by installing a new 2" (5 cm) spacer block along with the other rear suspension hardware
Raise - vehicles that are perceived as riding too low (no spacer block installed) by installing a new 2" (5 cm) spacer block along with other rear suspension hardware
 
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Old Dec 21, 2010 | 06:29 AM
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Thanks...I will go to Ford today and see what they have there.
 
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Old Dec 21, 2010 | 06:38 AM
  #15  
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Just a thought about the acute angle: raise the front end if unable to lower the rear.
 
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