1) what bolts should I PB blast?
2) What size bolts should I buy in case they break?

99 jeep xj, 3" RC series II kit with a t-case drop kit and Full leaf packs

anything else?
it comes on Wednesday

 

Here's all of them.

All 6 leaf spring bolts are: M14x2.0x120mm

The track bar bolt is: M10x1.5x75mm

LCA bolts are: M14x2.0mmx120mm

UCA bolts are: M10x1.5x110mm

Cross Member bolts are: 3/8"-24 (I think)

Where do you live?

Spray down the upper rear shock mount bolts really well.

 

Renton wa

 

Spray the nut-side of the bolt. But yeah if you live in the northeast like I do, start hosing down just about every single bolt you are going to remove. This being, leaf spring/shackle bolts, front and rear shock bolts, control arm bolts, axle u-bolts, track bar bolts, and any other you are going to encounter. Best of luck, sir. May the bolts not break

 

What size are the upper rear shock bolts?

 

your upper rear shock bolts will break, also dont run a gay t case drop unless you have vibrations.... the point of lifting a vehicle is to get **** out of the way, not drop it back into harms way..

 

Well acording to people on this forum 3" lift on a 97+ always needs a t case drop

 

May go ahead and get brake lines from a tj. They are longer than stock just to make sure you aren't stressing them ( front two and rear 3way line). Just a thought if your under there ripping things apart anyway!

 

Yes, run a tcase drop or you'll have driveline vibes. I run a 1 inch drop with 6+ inches. Ran fine with 3, I vibrate now. Sye time!

 

Can I have a link to t case drop instructions

 

Don't drop the tcase right away, my 98 is lifted 3 inches and has been for a couple years. The vibes are minimal and only happen from 25-35mph. If you lift it and have bad vibes, then drop the case or get a SYE.

 

First off, I won't have any vibes. Vibes = stress=breaking=money. Next I have a 242 and finding a sye is difficult

 

I had 4.5 in. of lift on the rear of my '98 & it had no vibes.With that said,every Jeep is different.Lift it first & if it needs it, do it.

You can do a hack n tap on the 242 & get a JY front D-shaft.Cost about $100.

 

Is it okay to use stock brake lines for a while?? Or will they absolutely not fit?

 

It's touch and go, most lifts require you to relocate the brake line, which in some cases is fine. I tend to er on The side of caution so I went ahead and put on yj lines to make sure. I think 25 or less shipped from rock auto for all three. Cheap insurance in my opinion…