Well the main thing that's gonna go on an IFS as opposed to a SFA would be the CVs. But the tie rods and ball joints are a good bit smaller on a Ram 1500 than a 2500 so look for those to wear pretty quick as well. These components also are a tad smaller on the '06+ coil-over trucks as well, I'm assuming for fitment since the coils take up more room than the torsion front '02-'05 IFS 4x4s. Hubs are another thing that will wear quick as turning big tires really puts a lot of torque on them - especially these non-greasable POS hubs. Also, the front drive shaft is a rapezza joint and doesn't take the angle well either unlike most 3/4 ton trucks that utilize a double Cardan type shaft that can take the higher angles better.

Don't feel bad though, as much as I warn against going any larger than 35s on an IFS truck I'd have a 3" body lift on top of my 4" suspension lift and be running at least 37s by now myself except for the fact I'd have to fab the hell out of the front end to keep the winch with a body lift AND I use the hell out of my bed around the farm and can't get sh*t in and out of the bed at the height it is now.

Usually just a 3" level alone is enough to send a CV on it's way, since there is nothing done to keep the angle near stock level like a true suspension lift would do. I'd be curious to see just where your CV angles are now with the 35s...

 

Well if i knew how to easily check the angle I would for you. I think my truck has been in the mud only a couple of times in the 6 years I've had it. Don't know of any places around me that I can go muddin that I wouldn't have to worry about sliding and smacking a tree or something. Also TN is known more for it's rocks then it is for it's mud pits. Back in Louisiana I could find mud all day long in the spillway.

 

I ran a leveling kit in my 2003 dodge. Had the same vibration problem. Balanced rims and tires even bought new ones. Problem ended up being the two front drive axles. From being at the wrong angle they wore the splines off where they connect to the shafts from the deferential causing the vibration problem. Not to mention my cv boots constantly breaking and grease coming out. If you shoot me an email I will give you the entire story and how to fix it. Its gonna cost some $. mrneg9@gmail.com

 

Yep, level kits just put the CVs at really poor angles. A lot of guys try to cheat and go really high with the level kits (2"+) and don't spend the money on a proper suspension lift only to find that repairs cost more than the suspension lift in the long run...