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does IFS take too much heat?

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Old 08-10-2004, 04:57 AM
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Check out the suspension under a Hummer...The REAL Hummer. IFS. I'll keep my IFS, but I do wish Total Chaos would come out with a IFS kit, with more articulation, stronger CV's, and would allow me to keep my stock fenders.
Old 08-10-2004, 05:30 AM
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Originally Posted by gwhayduke
Check out the suspension under a Hummer...The REAL Hummer. IFS. I'll keep my IFS, but I do wish Total Chaos would come out with a IFS kit, with more articulation, stronger CV's, and would allow me to keep my stock fenders.
Honestly the Hummer's IFS sucks. Most of the safety mishaps in a hummer are from the IFS causing the front wheel to buckle under the vehical, causing it to roll.
Old 08-10-2004, 03:13 PM
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Originally Posted by splitz
Honestly the Hummer's IFS sucks. Most of the safety mishaps in a hummer are from the IFS causing the front wheel to buckle under the vehical, causing it to roll.
I wouldn't say it sucks; most of the safety mishaps in a Hummer are caused by inexperienced drivers with little or no prior off-road wheel time. The Humvee at least proves that durable IFS (and IRS for that matter), with driven wheels, is indeed po$$ible. Who's going to have the first Yota with gear reduction hubs?
Old 08-10-2004, 03:48 PM
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Whatever happened to Downey's IFS kit they had in development with the Porsche CVs, tubular control arms and massive travel? It looked like they were headed for some really total "Total Chaos" IFS suspension. It used to be on their website as a coming attaction, but I can't find anything about it anymore.
Old 08-10-2004, 04:35 PM
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IIRC, they had a coil over setup.

i emailed them about saying they need to beef up the lower a-arms since all of the load will now be placed where factory designs didnt have any.

and yeah, i heard much about it in the last year or so...
Old 08-10-2004, 07:45 PM
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Originally Posted by jimabena74
if you look at all the new rage in championship rock crawling, they are all running ifs these days...

Actually, solid axles with the addition of rear steer is all the rage,


Originally Posted by Morerunner
I had a 91 pu that was my DD. I had 31's and a locker and it would go quite a few places. I eventually did a SAS w/a 4" lift. It's hard to compare entirely, but in some cases where the ifs would slide over rocks, the sa cleared because of articulation
In most cases I found that SA cleared because of the added breakover and the addition of much larger tires.

Originally Posted by ldivinag
hey more power to you if you wanna rock crawl with stock to semi stock toyota IFS. in my experience. you will be

1. draggin alot.
2. breaking something.
3. getting stuck alot...
I don't drag anymore than a SA at the same ride height, nor do I breakdown as much and very rarely get stuck as easily. My 4Runner isn't set-up just to play on rocks, but as an all around trail rig and DD. I also enjoy going high speed across the dezert and on my jobsites, where the fields get quite bumpy, IFS shines in these cases. Considering 90% of my driving is on the street, I do enjoy the advantages of the tighter turning radius, fast cornering and smooth ride. All the effort that is needed to do a SAS is better spent on building a full on buggy. In most cases the SAS'ed rigs, has or will become a truggy or buggy before long, if your hell bent on playing hard on the rocks.

Now you can't compare the 1st and 2nd gen IFS to the 3rd, because those torsion bars really do suck.



Originally Posted by gwhayduke
I'll keep my IFS, but I do wish Total Chaos would come out with a IFS kit, with more articulation, stronger CV's, and would allow me to keep my stock fenders.
Won't happen, CV's at the stock length can't flex anymore than what has already been achieved. You can go long travel and keep your stock fenders, but you'll have to trim them. Stronger CV's have already been made, but then all your doing is moving the weak point to the diff and I'd rather break an axle than ring & pinion gears.
Old 08-10-2004, 08:31 PM
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Buy a copy of the CO4RJ video. It will blow your mind what lockers and gearing can do. Forget what the front drivetrain is.

Solid axles are cool on the internet. Lockers and gears are cool on the trail.
Old 08-11-2004, 02:35 AM
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bruce,

noticed i said STOCK or SEMI STOCK...

i just read your fine print...

come on... 35"s... TC's long travel uiniball? if you consider that at most semi stock... lol...
Old 08-11-2004, 07:08 PM
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Originally Posted by ldivinag
bruce,

noticed i said STOCK or SEMI STOCK...

i just read your fine print...

come on... 35"s... TC's long travel uiniball? if you consider that at most semi stock... lol...

Yep I'd call it semi-stock..... it's still IFS, the TC LT was a simple bolt-on kit and 35's are common for SA rigs. Besides the rear suspension is completely stock other than the OME shocks and springs.

Originally Posted by ldivinag
this is apples to orange...

stock even to semi wild IFS designs just doesnt have enough travel:

1. without increasing width within reasons or DOT legality
2. without spending 2-5x as much as a proven SA design
I guess I should have put this part of your quote in as well. Using it as your standard, my added witdth is within reason, the cost is much less than a proper SAS job.
Old 08-11-2004, 07:44 PM
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Originally Posted by ldivinag
bruce,

noticed i said STOCK or SEMI STOCK...

i just read your fine print...

come on... 35"s... TC's long travel uiniball? if you consider that at most semi stock... lol...
My IFS is stock and ran Aftershock right behind Bruce. Where were you ???

Cheesey spacers, stock coils and Old Man Emu shocks is hardly exotic.
Old 08-11-2004, 07:57 PM
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stock IFS, to me: nothing else.

semi stock IFS: shocks, shaved or low-pro bump stops, cranked t-bars (2nd gens)

your IFS: oh please... i stopped counting $$$ after uniball... lol....

your next step up is SCORE trophy truck IFS design where they make the diff as centered between the framerails (and as small as possible too) and then make the arms and drive axles as long as possible.
Old 08-11-2004, 08:02 PM
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I have stock ball joints. Cornbred spacers a whoping $110, Revtek spacers a whopping $35.00 and genuine Toyota stock coils.

Old Man Emu shocks $200 for 2.

ATS arms to clear the 35's but could have been done with shaved stock arms.


The $145.00 lift.
Old 08-11-2004, 08:03 PM
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See you at the next Tin Bender Jambo on Aftershock.

Old 08-11-2004, 08:08 PM
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i got about 100 feet last year into aftershock when i figured my 32"s and and a mild crank on the tbars was just asking for trouble...
Old 08-11-2004, 08:16 PM
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I did aftershock in my 4Runner on 265/75-16 BFG at's the first time I was there, but I did have sliders, 4.88's, 4.7 Marlin crawl box, lockers front and rear. The last Jambo I did Sledge Hammer as well, next year????

Last edited by BruceTS; 08-11-2004 at 08:17 PM.
Old 08-11-2004, 08:16 PM
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Originally Posted by ldivinag
i got about 100 feet last year into aftershock when i figured my 32"s and and a mild crank on the tbars was just asking for trouble...
Actually Vernon ran it with 4.88's, Elipsters ball joint spacers, front and rear ARB's and Marlins 4.7 gear.

On 285/75/16's = 32's
Old 08-11-2004, 08:19 PM
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Originally Posted by BruceTS
next year????
Your gonna get a bigger dent. Not me.
Old 08-11-2004, 08:46 PM
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Originally Posted by Tacoma Dude
The solid axle is the coveted mod. People are going to want it and trash everything else before they have a chance to really see what IFS can do only because the solid axle is the "in" thing.

Soon enough there will be something as close to 1 in 10 SAS going on that are never going to see action beyond what an IFS could do.
It is deffinetly becasue of talking to people online. They tell you what is good and not good. Some dude came on the other day with an 04 Tundra and the first reply for mods was do a SAS. Thats rediculous!

I think that the key, which a lot of people have done, is trial and error. If all these IFS mods dont work, than do a solid axle. Don't just chop your front end off just because someone said to.

And if you know you are going to do it when u buy the truck, consiter buying a pre-85, i'll cost you a lot less.

Just my $.02,
Alex
Old 05-27-2005, 09:56 PM
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Originally Posted by ldivinag
fortunately for me, i installed the TRD IFS cooling fan along with the aux cooler to keep temps down...
I was thinking about doing this mod myself. Is there a good writeup on this anywhere? LOL

Last edited by birfieldwheer; 05-27-2005 at 10:03 PM.
Old 06-09-2005, 09:18 PM
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It is unfair to say IFS sucks....amybe for extreme rockcrawlintg....I'll give it that...

but as drivers we need to know are limits. I have built an IFS rig that will exceed my expectations of a rig.

Is everyone with a 4x4 planning to be a competition rockcrawler? After enduring prerunners making fun of my front axles and rockcrawlers making fun of IFS, I decided nothing is worth believing until you have experienced it first hand.


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