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Discussion Starter #1
I am new to the site and this is my first post, I have searched everywhere for the answer to my question so I apologize if this post is redundant - I've literally searched for weeks.

I just got my Bilstein 5100s in the mail to level the front of my 2006 Tundra DC SR5 4x4. Upon inspecting the contents of the package I found the paper instructions which contains a table for which positions should not be used for certain models. For my truck, it says not to use Position #5, but says that Position #5 is ok on the 2x4 model. I assume this is due to the lack of a front dif in the 2x4 so the additional ~1" from that extra position (Position #5) isn't detrimental to the CV axle angles whereas it may cause a worse angle for the 4x4. However, the same table says that it is ok to max out the 5100 on the 4x4 sequoia. So if it is ok to max it out on the 4x4 sequoia why is it any different on the 4x4 tundra?

I apologize for any "rookie" understandings here as I have just started to get into some minor off-roading with my truck. I used it as a work truck all throughout high school and college and now want to change some components with it and have some fun. I am thinking I will just go with the Bilstein recommendation of not going past position #4 but I'm curious as to WHY this is and what will happen if I go to Pos #5.

Has anyone with a 2006 DC SR5 4x4 ever "maxed" out the strut assembly? Were there ever any problems? Or any 1st Gen 4x4 DC for that matter....

Thanks guys!
 

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Having a hard time believing that no one has responded to you. So i know the setting are relevant to the front cv axle angles. With high angle cv joint boots and upper control arms, i believe you can use the fifth notch.

I plan to use the 3rd.
 

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Beside sharp angle on CV joint wearing fast due to stress, the steering rack shafts new angle need to be considered. The rack and pinion will also wear prematurely.
 

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Discussion Starter #4
But why would that differ between the double cab and extended cab. The instructions say the depending on the size of the cab and equipment (whether or not 4wd) different cabs can have different spring seat positions. I understand that the front end is stressed when it’s lifted I just want to know why it would be different because the truck is a double cab instead of a single or extended cab.
 

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Discussion Starter #5
Beside sharp angle on CV joint wearing fast due to stress, the steering rack shafts new angle need to be considered. The rack and pinion will also wear prematurely.
But why would that differ between the double cab and extended cab. The instructions say the depending on the size of the cab and equipment (whether or not 4wd) different cabs can have different spring seat positions. I understand that the front end is stressed when it’s lifted I just want to know why it would be different because the truck is a double cab instead of a single or extended cab.
 

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I'm guessing it's has to do with the weight of the DC and the spring compression. There's not a huge amount of room between the coils to begin with and I could see the possibility of them hitting being compressed to the #5 ring.
 
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