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Lowering My buddies 4wd Yukon....

2627 Views 21 Replies 9 Participants Last post by  Chris99GMC
My buddy has an 01' Yukon. 4 door, w/ 4 wheel drive. He's been trying to look into some lowering kits that are available for a 4x4 GM suv.

I think he has been looking into anything from a 3/4 to a 4/6 drop. I can really help him as much as I can since I have never lowered a 4x4, and the Suspensions between my truck and his yukon are completely different.

What's the best way to drop this vehicle? He probably is going to run 20's on a wide 45 or 50 series tire.
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· GMFS slowest truck :read:
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Sevenfold said:
Nah, he can get away with 2" up front. Just get some new torsion keys, that would be the cheapest way to do it. Out back I think you would need some shorter coils.
yeah, he could get new keys up front for 2", and maybe decrank another inch to gain 3 up front. I guess shorter coils would be the only way you can get the rear down.
 

· Burning Rubber
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Discussion Starter · #4 ·
Is there alot of room in the back for axle/frame clearnace for say a 4" drop??

I know Quicksilverz71 lowered his truck like 3" in the front... how is that possible?
 

· Jason RIP
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RedneckDude said:
yeah, he could get new keys up front for 2", and maybe decrank another inch to gain 3 up front. I guess shorter coils would be the only way you can get the rear down.
Isn't 3/5 about as low as you can go? which with a big enough tire would be fine, even 2/4 on the right tire/wheel will look fine.
 

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tx marine said:
sell it and get a 2wd. lowering a 4x4 will seriously fuck up steering/suspension geometry and make it ride like shit and break stuff faster than putting an 10 foot tall lift kit would
I don't really know why you would say that. If he was talkin about baggin it, that could be a problem if he still wanted to get the 4wd to work and be really low, the CVs would bind too much. Theres a member here, quicksilverz71 or something like that i do believe that has a lowered 4x4 truck. Front end would be the same thing. he can still use his 4wd, so yeah, it is possible, and lowering a 4x4 won't break stuff faster than lifting it either, unless, like i said, you bag it, the CVs bind then. Having a really tall lift kit (10"-12" or so) won't hurt anythign either, until you run the bigger/heavier tires. the only way i can see lowering even remotely making anything break on a truck is of you have some big ass, heavier than stock rims on it or something like that.
 

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bcubed said:
Isn't 3/5 about as low as you can go? which with a big enough tire would be fine, even 2/4 on the right tire/wheel will look fine.
From what i have seen, 3/5 is about as low as you can go with a 4x4. bigger tires and rims look pretty good IMO on a slightly lowered SUV. 22s with some like 45 series tires doesn't look bad at all on SUVs, but it probably wouldn't look right on most pickups lowered the same.
 

· Weird Turns Pro.
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Chris99GMC said:
I know Quicksilverz71 lowered his truck like 3" in the front... how is that possible?
Quiksilver has McGaughy's 2 inch spindles and belltech keys up front. Back im pretty sure he has shackles and hangers and he took out the stock 2 inch block for a 6 inch drop. But how is the rear suspension of a yukon set up, multi link?
 

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tx marine said:
since when do they make lowering spindles for a 4x4? or did he use 2wd ones?
im pretty sure the spindles are the same for 2wd and 4wd
 

· Weird Turns Pro.
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heres a picture of a Mcghaudy spindle. could the hole in the middle be where the driveline would go through... or maybe im just a 15 year old that doesnt know shit? :think:

 

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you can go 3/5.... it is the same kit as the 'lades and denalis and 2wds...i just checked the add in a mag.... it is 1" crank out of keys , 2" spindles and 5" drop springs and axle relocation ( im assuming that is new brackets for the links).. ....the 3/5 needs new shocks... I think lower than 3" of front drop you will have problems with the cvs binding.
 

· Burning Rubber
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Discussion Starter · #18 ·
Ok. So we looked into is more and It looks like it's going to be 2" torsion Keys and 4" Belltech drop coils for the rear. Does the rear axle need to be relocated for a drop this low on the SUV's?
 

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Slash4824 said:
heres a picture of a Mcghaudy spindle. could the hole in the middle be where the driveline would go through... or maybe im just a 15 year old that doesnt know shit? :think:


ok, i stand crooked. looks like the do make a lowering spindle for a 4x4. never seen one before. :think: you know how long those have been out?
 

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Chris99GMC said:
Ok. So we looked into is more and It looks like it's going to be 2" torsion Keys and 4" Belltech drop coils for the rear. Does the rear axle need to be relocated for a drop this low on the SUV's?
No but you need to get shorter shocks as they are the main component keeping the spring seated in the rear.

Personally I'd go with McGaughy's kit.
 
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