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Axle Not Dead Center = Why???

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Old Jun 17, 2008 | 04:47 PM
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From: Red Deer, Alberta
Axle Not Dead Center = Why???

Got a 07' Ram 3500 with a 6" long arm BDS lift. I noticed that the axle sits behind the centerline. Is this normal and why??? The longarm kit is installed in the correct position. Here's a picture to see. Maybe I'm worrying for no reason..Thanks guys...
Attached Thumbnails Axle Not Dead Center = Why???-n600401899_1376225_5396.jpg  
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Old Jun 17, 2008 | 04:51 PM
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Dumb question but....do you have a spacer as well as the 6in. lift up front , or is it just a 6 in. lift?
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Old Jun 17, 2008 | 04:55 PM
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It is most likely a little better that way...cause at big time compression...the axle will move forward.

It stinks when your diff cover smacks the track bar drop bracket. Does it work? That matters most...
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Old Jun 17, 2008 | 07:13 PM
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From: Red Deer, Alberta
Originally Posted by Ram Daddy
Dumb question but....do you have a spacer as well as the 6in. lift up front , or is it just a 6 in. lift?
Nope, just the 6" BDS in her.
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Old Jun 17, 2008 | 07:15 PM
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Originally Posted by cquestad
It is most likely a little better that way...cause at big time compression...the axle will move forward.

It stinks when your diff cover smacks the track bar drop bracket. Does it work? That matters most...
The truck drives/handles like a dream but it would be better for a bit more mudflap clearance for the 37's, that's all.
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Old Jun 17, 2008 | 10:30 PM
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My revtek lift is like that but my buddies superlift is more forward. He had to trim the plastic to keep from rubbing front bumper with 37's
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Old Jun 17, 2008 | 10:42 PM
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When i put in my coil spacer leveling kit i had noticed that it had moved back in the wheel well too... My question is with the long arm kit are the links to the axle from the frame adjustable and if not, if your alignment is true is there really anything to worry about?
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Old Jun 17, 2008 | 10:45 PM
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and why are you missing lug nuts??? test fitting a tire?
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Old Jun 17, 2008 | 11:07 PM
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That's the way mine looks with my minimal lift and stock control arms. I wish to get some aftermarket ones some day to push it forward a little....
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Old Jun 17, 2008 | 11:12 PM
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With that lift, the axle will be back slightly to allow it to still fit up into the wheelwell and miss other components under the truck when you are at full compression up front. Without the longer arms, your axle would be much further back than it is now. It's just a compromise between being too far back now and too far forward under compression.
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Old Jun 17, 2008 | 11:23 PM
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I bet there is room for slightly longer arms and the real issue is with the driveshaft.
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Old Jun 18, 2008 | 07:56 AM
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Originally Posted by ptgarcia
I bet there is room for slightly longer arms and the real issue is with the driveshaft.
agreed. adjustable control arms will center the axle in the wheel well. iw ould think your front driveshaft would need alittle more length as well.
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Old Jun 18, 2008 | 08:39 AM
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Originally Posted by Torqfan84
and why are you missing lug nuts??? test fitting a tire?
You betcha. I was going to buy them but he sold them on me. I got 20" Badlands instead. Actually, with the 20's, you don't really notice the axle placing as bad. It was the same with standard BDS kit and the long arm kit. I thought when I put the long arm kit in it would center but it didn't. There are no drivability issues just looks a little odd.
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Old Jun 18, 2008 | 11:29 AM
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I woulds say leave the length...or learn the hard way. (like me!)

You wheel will push quite a ways forwards as it comes up...

Look at the angle on the control arms...I would say 30 degrees from horizontal.

So lets all do our geometry...for every 1inch of rise/compression you will have close to 1/4" of forward travel. So...I bet you can shove that sucker up 6" from ride height if you tried real hard and you don't have relocated bump stops...so that would be 1 1/2 inches forward. Take a 6" torpedo level and set it on the top of the diff cover...or a bunch of other places striaght up and down...level...and see if you have 1 1/2" of clearance on your track bar brackets...

I could make mine hit...

It is a fine art to get tall ride height...with lots of travel...and not smash anything.
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Old Jun 18, 2008 | 02:17 PM
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From: Red Deer, Alberta
Originally Posted by cquestad
I woulds say leave the length...or learn the hard way. (like me!)

You wheel will push quite a ways forwards as it comes up...

Look at the angle on the control arms...I would say 30 degrees from horizontal.

So lets all do our geometry...for every 1inch of rise/compression you will have close to 1/4" of forward travel. So...I bet you can shove that sucker up 6" from ride height if you tried real hard and you don't have relocated bump stops...so that would be 1 1/2 inches forward. Take a 6" torpedo level and set it on the top of the diff cover...or a bunch of other places striaght up and down...level...and see if you have 1 1/2" of clearance on your track bar brackets...

I could make mine hit...

It is a fine art to get tall ride height...with lots of travel...and not smash anything.
I never thought of it that way before. Thanks for the explanation as it makes good sense. I'm happy with it and the 20's. I for sure don't want to smash anything!!!
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