Prefered alignment specs for stock height - Ford Powerstroke Diesel Forum

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post #1 of 7 Old 10-01-2012, 07:33 AM Thread Starter
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Prefered alignment specs for stock height

I have an 04 Ex with 43k miles on it. It has been suffering from wandering. I had it aligned and lowered the tire pressure to stock and it helped a little but still wanders. I snugged down the steering box bolt a little to take up the freeplay in the wheel. I forgot to ask for a printout but I'm sure it was aligned to Ford spec. I'm going to head back and wanted to know what the optimal alignment specs are for a stock height truck. All the front end components are tight so I want to rule out the alignment before I do a steering box. Thanks.
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post #2 of 7 Old 10-02-2012, 04:06 PM
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What tires, and size are you running? Stock tires with hard wear and no tire rotation could contribute....just a little more info could help find your answer.

KVB

Spartan'd, 4" ICON Stage II, 35" Duratracs, XPD additive and M1 full synthetic
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post #3 of 7 Old 10-02-2012, 05:49 PM
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i belive a good start for a solid axle truck is 4* positive caster, top balljoint layed back from the lower..... pinion angle slightly down, as far as toe, i try to set them at 1/8 to 1/4 toe out.

04 F-250 CCSB 4X4 6.0L Auto, tweaked by GEARHEAD

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post #4 of 7 Old 10-02-2012, 09:45 PM Thread Starter
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Quote:
Originally Posted by KVB-R View Post
What tires, and size are you running? Stock tires with hard wear and no tire rotation could contribute....just a little more info could help find your answer.

KVB
265/75-16 Firestone Transforce HT with about 500 miles on them.
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post #5 of 7 Old 10-02-2012, 09:47 PM Thread Starter
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Quote:
Originally Posted by shawnb99 View Post
i belive a good start for a solid axle truck is 4* positive caster, top balljoint layed back from the lower..... pinion angle slightly down, as far as toe, i try to set them at 1/8 to 1/4 toe out.
Toe out and not toe in? Does it track better?
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post #6 of 7 Old 10-03-2012, 05:43 AM
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some may argue, about this one.... when force is applied , the suspension tends to toe out . but a setting of toe in will make the vehicle tend to dive hard into the turn, the steering can be a little too responsive , i have have always prefered the negative feeling of a slight toe out setting. this is also a way to help control deathwobble per say. when a tire hits a hole or bump and want s to wander , it now has to pull the other tire past center , this i feel achieves the control, whereas if you tire is centered or toe in, it is ready to go that direction, this can make a vehicle very unsafe. you hit bump, vehicle instantly dives that direction, and your ability to control or more so over compensate, causes bad situations.

04 F-250 CCSB 4X4 6.0L Auto, tweaked by GEARHEAD

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post #7 of 7 Old 10-03-2012, 08:01 AM
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Their is nothing you can do with the alinement of a Excursion to fix the handling issues..the springs are the main problem as the fronts are not rated for a diesel and the rears are just crap. We have helped thousands fix the excursion handling issues.. PM me if I can help your's.

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