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99-06 1500 IFS Upgrades

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Old Dec 9, 2021 | 12:29 PM
  #11  
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Originally Posted by arthursc2
My rear Tahoe links are uniball/heim at the axle side and bushed on the frame side. My Ranger midtravel kit that I am also DIY'ing is all heim and uniball front, bushed on the leafs in the rear

Heims and uni's are a little noisy when dirty, but they are tough SOBs and can take a ton of abuse. BJ's typically are a much smaller bearing surface and wear out much faster. Regardless of the amount of grease or type of grease you squirt in there, they just can't handle the load from a load spreading/dynamic distribution perspective

Since 1500 GM's have arguably the weakest IFS components in the history of IFS, I am looking to see what options are out there to beef up our front ends
I'm just curious. I had full heim on my 3rd gen camaro. I thought it was a race car but I only drove it on the street. That thing was a damn tin can and nothing was quiet or soft or enjoyable lol

The heims also wore out quick on me. Probably my fault. Now a lot of companies use Roto-Joint or Del Spheres. I haven't used any yet but in theory they sound like a nice compromise between rigidity and harshness. https://www.spohn.net/delsphere/
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Old Dec 9, 2021 | 01:42 PM
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There are a lot of companies (EMF EVO Joints, Enduro Joint, Johnny Joint) that all promise the rigidity of a heim, without the hassle of a heim

The worst part about uniballs and heims is the design that incorporates them has to be perfect. Since the joint only moves in a sphere, and cant deflect in all axis like a bushing can

Everything is a system of compromise, just have to find what you're willing to compromise- if you're willing to step out of the OE bounds
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Old Dec 9, 2021 | 03:04 PM
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I respect that. Hence why I went full heim. That car is long gone and I haven't the slightest clue how I'll tackle my next project.

What's your intended use? I'm assuming not a street machine
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Old Dec 9, 2021 | 03:41 PM
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Originally Posted by arthursc2
Totally different than what I am after

Plus I can't hang a front axle on leafs when my rear axle is coil supported OE!

I'm looking specifically for IFS components right now, my Tahoe will be SAS'd with a Dodge axle and radius arms. In due time
You just said upgrades for IFS. You didn't give specifics haha.
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Old Dec 9, 2021 | 04:29 PM
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Originally Posted by wretched73
I respect that. Hence why I went full heim. That car is long gone and I haven't the slightest clue how I'll tackle my next project.

What's your intended use? I'm assuming not a street machine
Potential business venture to offer front end upgrades to folks with 99-06 1500 trucks who want to run 33's and cranked keys/leveled but don't want to spend $2500 with JD Fab or Cognito. My intent would be to offer uniball uppers, with bushings on the frame side at about 50% what the "other" guys are charging

With my little metric 33s I get ~30k out of a front end, and I am far from the "hardest" on my truck. I know there are ppl out there looking to not have to do a front end every 30k, but also not wanting to jump into the SAS route. I have the skills and tools and knowledge and funding and even the axle and wheels (read, not time) to SAS my rig and that is my plan, but not everyone has that luxury
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Old Dec 9, 2021 | 04:41 PM
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So what your saying is that you have no time to SAS your truck but, your willing to spend time you don’t have to come up with a solution to not need to SAS your truck.
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Old Dec 9, 2021 | 04:50 PM
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Not my truck I am SAS'ing my truck. No doubt about it

But I sure am interested in ancillary income. That's the best way to get anything done- pay for it

I've got nothing but time at $100+/hr ahaha
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Old Dec 9, 2021 | 08:54 PM
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Originally Posted by arthursc2
Potential business venture to offer front end upgrades to folks with 99-06 1500 trucks who want to run 33's and cranked keys/leveled but don't want to spend $2500 with JD Fab or Cognito. My intent would be to offer uniball uppers, with bushings on the frame side at about 50% what the "other" guys are charging

With my little metric 33s I get ~30k out of a front end, and I am far from the "hardest" on my truck. I know there are ppl out there looking to not have to do a front end every 30k, but also not wanting to jump into the SAS route. I have the skills and tools and knowledge and funding and even the axle and wheels (read, not time) to SAS my rig and that is my plan, but not everyone has that luxury
I ran 33's and was leveled for years, easily 80k+ miles.... Dumped my truck at 230k miles with all stock suspension on it

OEM as in, what the truck rolled off the assembly line with
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Old Dec 9, 2021 | 09:03 PM
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You must be "1 in a million"

If I do it again, this will be the 3rd "problem solver" front end Ive put on my Tahoe, and I'm not even mean to her. Part of reason for the SAS, plus I can move the axle forward, run 35s without rubbing and generally just be bad ***

I can't be the only knucklehead tearing up front ends out there. Plus, there is a lot of travel in our front ends if the UCA BJ wasnt stopping droop and that damn "down travel" limiter on the frame was cut off
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Old Dec 9, 2021 | 09:12 PM
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I killed several sets of uppers in my RCSB and the Tahoe was floppy As can be when I bought it but, I’m known to be rough.

With the JD arms and coil overs it has enough droop to pull the cvs out of socket. In fact, every time I jack the front end up they pop out and I have to lower it and turn the wheels back and forth to get them to pop back in. #needslimitstraps
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