2/1 Cornfed = Damage to Suspension

Damage?

  • Yes!

    Votes: 1 2.6%
  • No!

    Votes: 18 47.4%
  • Don't Know...

    Votes: 14 36.8%
  • What's Cornfed?

    Votes: 5 13.2%

  • Total voters
    38
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I've honestly never heard of it damaging the suspension , but any alteration to the suspension goes beyond the design that the engineers have figured works best on a vehicle.

The lifts on these vehicles do not have any LONG TERM results in my opinion. Anytime a suspension is altered there they are always prone to more wear and stress on the suspension & drive line. As so even with bigger tires.

This is not a CF issue its any type of suspension lift or alteration.

As far as DAMAGE , like I said not long term daily driver test with significant milage. Lifted 4R's on here are just so awesome to look at and I credit anyone who tricks it out that way. I use my truck for a daily driver and it goes anywhere I need it to go in stock form ( i do off road as often as I can) .

FOR ME I have a 1" CF level kit to bring the nose up , but thats as far as I will go with it. I also DO run oversize tires which also provide a 1/2" of lift and much better looks IMO.
 
I'm talking about long-term damage:

As many have found out, even a 2" front lift will likely decrease lifespan of your CV boots and possibly other components. When i had my '02 4runner, i read as much as i could on lifts and found out that it was just not worth it. A 1" lift may be a good compromise in terms of look, ground clearance, and little compromise on durability of your suspension. Again, this is just MY opinion...so, take it with a grain of salt.
 
Falls put said it pretty well.....any lift has the chance of causing excessive long term wear on regular suspension parts.....CV shafts and boots, inner and outer tie rod ends, steering knuckles, etc.....:confused:

Keylay31, I see your located in Boulder, Co.....go see Slee Off-Road they specialize in Toyota modifications and seem to really know their stuff. They spoke to me about an Old Man Emu suspension 'system', that is just not a lift but it is an entire system that works with the existing system already in place on the 4Runner. The tech I spoke to said that he has had customers come to him and say how much they love how their 4Runner rides now that the new system was installed.

Let us know how it goes..... :bigok:
 
If you want it to wear and behave 100% stock, leave it 100% stock.

That said, a 1 or 2" lift will have very minimal compromise and risk associated with it. I doubt anyone here has had one long enough to tell you what will happen in 200,000 miles that may or may not have happened regardless....

In the meantime, I would be more worried about the aftermarket components themselves as opposed to the stock stuff they're attached to. Eg, rattles, poor fitment, quick wear and tear (of the parts themselves), etc
 
Upper ball joint life is directly effected by the the amount of top spacer. Early spacer designs used all top spacer to prevent a coil spring rate increase. This was done for ride quality. We saw a lot of ball joint problems with 2" top spacers. Why not let the thread run and learn from peoples experiences rather that talk theory?
 
Willymoe said:
Upper ball joint life is directly effected by the the amount of top spacer. Early spacer designs used all top spacer to prevent a coil spring rate increase. This was done for ride quality. We saw a lot of ball joint problems with 2" top spacers. Why not let the thread run and learn from peoples experiences rather that talk theory?


Good point. Anyone had any negative experiences? ( i guess this was my initial poorly worded question...)
 
keylay31 said:
I'm talking about long-term damage:
As many have found out, even a 2" front lift will likely decrease lifespan of your CV boots and possibly other components. When i had my '02 4runner, i read as much as i could on lifts and found out that it was just not worth it. A 1" lift may be a good compromise in terms of look, ground clearance, and little compromise on durability of your suspension. Again, this is just MY opinion...so, take it with a grain of salt.

I can tell that whoever wrote this is a very intelligent fellow!! :biggrin2: :clap:

Here is the actual thread where keylay31 referenced the quote: http://www.toyota-4runner.org/showt...ight=front+lift+will+likely+decrease+lifespan
 
Obviously my respect for whoever posted that is enough for me to take it seriously in the face of what I've heard from hundred's of people.
 
Willymoe said:
Upper ball joint life is directly effected by the the amount of top spacer. Early spacer designs used all top spacer to prevent a coil spring rate increase. This was done for ride quality. We saw a lot of ball joint problems with 2" top spacers. Why not let the thread run and learn from peoples experiences rather that talk theory?

A Cornfed lift would be an example of a top spacer , correct ?? What would be an example of a different spacer lift.
 
Incorrect. The smaller CF kits, such as the 1", indeed are top out only. But as the kit gets larger, they split the lift between top out and preload.
 
Interesting, (no problems here) its been on for over 16,000 miles... most of it on the road... wait and see I guess...
 
Falls said:
Where does the preload spacer go , inside the spring or at the bottom ?

Falls, hope this pic clears up where the spacer goes. As I mentioned to you before, on the DS kit the top-out spacer is 1.0" thick and the preload is 0.50" thick. Different kits can give the same total lift but have a different ratio of top-out to preload sizing, each with it's own pros and cons.

I'd love to get together a list of what each of the different available kits sizing are but no one answers those posts.

spacerplacement1.jpg
 
I know you told me before but I could not picture where the preload actually went which seems to be under the metal plate with the 3 studs.

What does that preload actually do compared to just a top spacer ? is it just ride quality ?

I've heard spacers are not good off road like removing xreas would be and replacing the springs would be . I'm not a rock crawler but do off road a lot , especially in winter snows my truck gets pounded pretty good. This a spacer weather CF or DS would hold up ?
 
Falls said:
What does that preload actually do compared to just a top spacer ? is it just ride quality ?

The preload spacer's function is to provide lift, just like the top out spacer. The preload spacer accomplishes lift by "preloading" the spring. The top-out spacer provides lift by legenthing the coil assembley. The preload spacer makes the ride stiffer, while the top out puts the suspension system out of its normal range of motion. Choose your poison. 1" additional droop via the top out does not concern me, therefore I get a smaller preload spacer using the DS kit, which reduces the change in ride handling. Other kits (you'd have to get measurements on your own) appear to have smaller top out spacers with larger preload spacers, which can make the ride harsher, but limit the amount of out of spec range of motion.
 
Thanks JA , I'm sorry about all the ?'s , I just like to learn so when I look under there I actually know what I'm looking at if there is a problem. I'm just anal that way.
 
falls

where do go offroad? i live in milwaukee would love to do some mild offroading my shoes are stock
 

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