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Well, after posting this thread Alignment help, a bit of frustration, and lots of email assistance from Dave @Delta VS (unbelievably helpful guy) I think we've at least been able to narrow down the issue. Appreciate @Pin_Head pointing out the rear toe inconsistency in the numbers and @voodu3 for looping in Dave.Also got it aligned. Went to two different shops and still have a pretty significant pull to the right (was occurring even before the install of all the above parts.) Here are how the numbers look. Anyone more experience than I have any ideas what could be causing this?
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And to be clear, I would be incredibly surprised if the arms are different lengths, knowing where they came from.Well, after posting this thread Alignment help, a bit of frustration, and lots of email assistance from Dave @Delta VS (unbelievably helpful guy) I think we've at least been able to narrow down the issue. Appreciate @Pin_Head pointing out the rear toe inconsistency in the numbers and @voodu3 for looping in Dave.
Seems as though somehow the rear is pointing to the right a bit which is likely the cause of the steering pull to passenger side I am experiencing. This could be caused from a handful of things - different length rear control arms (unlikely seems to me, but will measure the Land Tank ones I just put on) or either a bent axle housing, or twisted/messed up mounting points for the control arms. Attached is a somewhat hilarious yet super helpful drawing Dave spent the time to draw up. I am leaning towards the drawing on the right which would be either a bent axle housing or messed up axle mounting points. There was a very slight pull before the addition of the land tank rear arms that I just chalked up to the truck needing an alignment. Putting on the more rigid Land Tank rear arms seemed to exacerbate it and make the pull to the right hand side more drastic.
If the axle housing itself is bent, this will probably be hard to confirm but luckily they are still available from Toyota for a pretty penny.
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No comments yet because they're still sitting in a boxYour thread makes mine look disorganize......Any comments on the rear slinky’s? Did you find any fir the front? Did you consider Dobinson tapered coils?
No question, there is always compromise no matter which spring you choose. A lot of it is perception as well...differences between specific trucks, weight, road surfaces, and the driver themself as well all impact the 'seat of the pants' feeling posts you see online. All of which need to be taken with a grain of salt. If the rear slinky springs I just purchased sway less than the dobinsons my truck came with and don't sag when weighted down like the icons they are replacing, I will be very happy.Tapered coils will allow more body sway no matter who makes them. I drove a rig with the rear Slinky's you have and it swayed more than the single rate coils I ran in the past. If you want sweet springs that fight sag and sway, but don’t ride harshly, try out Slee rear progressive coils. They are very nice springs.
I ran a used set for nearly five years and recently went in with a set of dobinson 3” tapered rear springs to match my fronts. I loved the Slee 4” progressives especially when loaded but unloaded they lifted my rig about 6” which I was not crazy about and just had to try something different. Honestly, I’m not sure I’ll stick with these rear tapere springs but will know more after I’ve loaded the truck and run the Rubicon and similar trails. With a 30mm spacer on top of the 3” rear spring my rig sits 3/4” lower than it did with just the Slee spring.