castor

2015 Rubicon JKU 4" lift, 35s 65k miles I got this JKU this summer and just noticed the front driveshaft had a lot of slop so replaced it with a double cardan shaft (single u-joint at front differential, double at transfer case). I installed it yesterday and now have a mild vibration at 55mph...

I need some help guys. I’ve watched several videos and from what I’m hearing, it looks like my castor and pinion separation is too high. I ordered an angle finder and it will be here in a couple of days, but I used an app and got under the jeep to get some measurements. I measured on top of the...