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Official "Steering wondering/tracking" discussion
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E. Long  Club OwnerSuperMotors Owner
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• Atlanta, GA, USA
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Posted:1/23/2005 21:29
This is a thread for any further discussion about the "Steering wondering/tracking" article available at:

http://www.fordexcursions.com/articles/article_1/index.php

-Eric

'67 Galaxie 500 - 390 FE, .030" over, FE to AOD adapter, disc brake conversion. The Daily Driver.
'00 Excursion - 7.3L PSD, LANDYOT Gen-II Radius Rods, Factory Tech Valve Body, 200K+ miles and going
Fords4Me
• Amissville, VA, USA
• Registered on 12/16/2005
• 28 posts
Posted:12/16/2005 11:36
And I quote:
"the leaf springs allow axle-wrap to occur, but this time the axle-wrap is not equal from side to side (as it is under acceleration or braking). "

Not logical. My X has a Ford 10.25" rear. It's a solid axle. There is no way one side wraps without the other. If one side wraps, the axle transfers the force to the other side as well.
monsta
• The Big Island, HI, USA
• Registered on 1/5/2002
• 1,056 posts
2 Vehicles
Posted:12/16/2005 11:55
Welcome!

Why sure it is logical. If the axle is on an uneven surface it will do exactly as the article describes.

Oh and you have a Visteon-Sterling 10.5 axle back there.

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Fords4Me
• Amissville, VA, USA
• Registered on 12/16/2005
• 28 posts
Posted:12/16/2005 12:41
Thanks for the warm welcome.

ok, so how is it possible for only one side to wrap? beat it into my head 'cause i don't get it.
E. Long  Club OwnerSuperMotors Owner
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Posted:12/16/2005 13:15
I think what's more accurate is not that one side wraps and the other doesn't, but they BOTH wrap unevenly. Yes, the rearend is a solid axle, but if you hit a bump in the road or some other obstruction, very rarely do you hit it at precisely a 90-degree angle where the rearend absorbs the bump equally on both the driver and passenger side.

The radius rods stablize the rearend and provide the necessary aid for the weaker Excursion rear leaf springs to correctly handle bumps, obstructions, and suspension travel without the by-product of spring wrap. The combination of weaker and shorter leaf springs on the Excursion (vs. an F250 or F350) and the weight of the Excursion make the rearends very susceptible to spring wrap. It's a non-issue on F250s and F350s because they have much taller spring packs and significantly less weight riding on the rear axle.

Hopefully that helps paint a better picture?

The proof is in the pudding though -- you really only need to take a ride in an Excursion without radius rods and an Excursion with radius rods to experience a noticable difference in handling.

Oh yeah, welcome to the club!

-Eric

'67 Galaxie 500 - 390 FE, .030" over, FE to AOD adapter, disc brake conversion. The Daily Driver.
'00 Excursion - 7.3L PSD, LANDYOT Gen-II Radius Rods, Factory Tech Valve Body, 200K+ miles and going
edited 12/27/2005 10:02
LANDYOT  SuperMotors Member
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Posted:12/26/2005 18:10
Quote:
The proof is in the pudding though -- you really only need to take a ride in an Excursion without radius rods and an Excursion with radius rods to experience a noticable difference in handling.


Fords4Me - You're located about 3 to 3-1/2 hours from me (I'm in Newport News, VA). If you find yourself in a need to make a trip to Williamsburg, Norfolk, or Virginia Beach, contact me beforehand, and I'll let you drive mine.
Fords4Me
• Amissville, VA, USA
• Registered on 12/16/2005
• 28 posts
Posted:12/27/2005 07:58
Quote:
Fords4Me - You're located about 3 to 3-1/2 hours from me (I'm in Newport News, VA). If you find yourself in a need to make a trip to Williamsburg, Norfolk, or Virginia Beach, contact me beforehand, and I'll let you drive mine.


That'll work! After the weater breaks. After seeing your rods (gen II) i'm sure they do just what everybody says. I just can't get single wrap on a solid tube through me pea-sized little brain.
LANDYOT  SuperMotors Member
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Posted:12/27/2005 13:22
Let's see if I can explain a lil' better. The axle TUBE or HOUSING itself will "torque" the same amount both sides ... ya' ain't gonna twist it ... well, ya' might, but it'll take one heck of a lot of force. It's the leaf-springs that "wrap" differently, allowing the rear axle to get out of perpendicularity with the vehicle's centerline. One side of the axle will be further forward than the other, inducing rear wheel steering ... commonly know as wandering. Click on my username, send me an e-mail, and I'll reply with an info-pack.
miller4000
• Honolulu, HI, USA
• Registered on 12/22/2006
• 1 post
Posted:12/22/2006 15:34
I am hoping i get help with this. i bought a 2002 ford excursion limited a few months ago. Its a great truck really. I want to restore it to f350 specifications! i have about 6000 to spend. i already have two cherry axles from a 1979 ford f250. both Dana 60's reverse cut high pinion. Everything! I want to go forward with this. Make this awesome truck into a full fledged one ton rig! Give me some advice on everything I need to do.

Thanks.
Miller4000
E. Long  Club OwnerSuperMotors Owner
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Posted:12/23/2006 11:21
If I'm not mistaken, I thought the 2002 F350's had the same axles as the Excursions -- it's more the front and rear leaf springs that determine the payload capacity. The Excursion has much softer leaf springs and thus the 3/4-ton rating. The front end is a Dana 50, and I thought F350's also had the 50 up front as well. Only the Dually F350's have a 60 up front and an 80 in back, if memory serves correct -- can somebody else confirm?

Going to a dana 60 in the rear would be a downgrade in my opinion, unless you plan to wheel it to take advantage of the reverse cut high pinion, run different gear ratios, and/or are concerned with parts availability. The 10.5" is a larger rearend and is the same rearend in a 2002 F350 SRW (single rear wheel) pickup.

I guess the more important question is what are you looking to do with your X and then we can offer up suggestions/advice on how to achieve that. $6k is a good chunk of change to get it to where you want to be -- just need to know what your goals are!

-Eric

'67 Galaxie 500 - 390 FE, .030" over, FE to AOD adapter, disc brake conversion. The Daily Driver.
'00 Excursion - 7.3L PSD, LANDYOT Gen-II Radius Rods, Factory Tech Valve Body, 200K+ miles and going
Ford Excursion Forums > Ford Excursion V8, V10, and Powerstroke > Article Discussion Topics
Official "Steering wondering/tracking" discussion
Thread Statistics:     Users to Post: 5   |   Total Posts: 11   |   Total Views: 4477
You must be logged in to post in or subscribe to this thread.Pages: 1 2

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