Originally Posted by Mike_Motorbike
I have 2-3/4" coil spacers in front and 2" in back with skyjacker 10" travel shocks for a 2-3" lift...
I only have to have 3/4" bumpstop extensions in the front giving me 2 extra inches of up travel at around 6" up travel....
I have 1" bumpstop extensions in the back ... I only got 1 extra inch of up-travel in the back I think it was 4" of up travel.
I'm running stock trackbars .... ( in-fact stock everything). Well I do have homemade disconnects ....
the rear is only off by about 1/4" (which looks like 1/2" ..... One tire sticks out 1/2" further than the other but you only need to move it 1/4" to center it)
I don't have my notes with me but I think the front is about the same...
I too am on the fence because I don't know what to do about the front trac bar.
But It really isn't that much and KNOWBODY seems to even notice even if I point it out...
Rough country sells a Rear Tracbar bracket for $17.
I don't know why I typed all this just to say I got 6" uptravel.
Oh I really like the Skyjacker Hydros ......
Here are my instal posts.
spacers NEVER give you extra up travel! they simply shift your existing coils/up travel further down or your jeep further up!
as far as I have learned you need for every inch spacer lift one inch of bump stop extension or you WILL overcompress the coils you have. Damage of the springs and sagging will be the consequence.
Regarding aftermarket track bars and why they do not hit in some set ups:
My conclusion still is that ALL those set ups use bump stop extensions around 2". Look at all the 4" lifts and 3" lifts which come complete or "comprehensive" with adjustable track bars. look at mudb8 thread!:
He did an extensive research on that.
My ideal lift (coils and shocks) would preserve the gained up travel. Bump stops in my eyes should only keep the tires out of the fenders and protect the coils from overcompression (in case of spacers).
I am not saying spacers are bad per se. In some cases where a bump stop is NEEDED to keep the tire out of the fender you can add the same amount of spacer on top of the coil to regain the specified added uptravel of the coil. E.g. in case you need 1" BS to keep your 33" tire on a 2" susp. lift and 1" BL out of the fender you can add 0.75" spacer to regain (part of) the lost 1" uptravel of the 2" susp lift
(I assume your shock can compress to that amount as well and you are using a stock trackbar, maybe mub8 modified
conclusion : 3" and 4" suspension lifts does NOT automatically mean better suspension to that extent.
At the moment with this TB and shock situation we have right now a well researched and tuned hybrid lift (coils, small spacer, small BS, BL) seems to be the most balanced lift you can do.
BTW: even dpgoffroad is using 2" BS when the JKS TB is part of the lift ... so it clears the TB and the bigger tire as a side effect
My personal wish lift
OME 2" HD with STOCK TB and 0.75" BS and 0.75" spacer upfront and 1.25" BL and 33" tires. I would love to try the NEW OME nitrocharger SPORT shocks which suppose to be firmer than the standard nitrochargers. Comparable to Bilsteins but with the right compressed length.
driveline vibrations?: add MML or(/and) [sye/CV + rear upper adj. CA]
some more flex?: JJ adj. CA's and AntiRock or adj. quick discos, adj. rear sway bar links.
want bigger tires than 33"? : upgrade brakes and steering, highline the fenders.
want even more belly clearance?: add a tummy tuck ... now the BL/MML and the eventual SYE/CV combo come in handy
and all with 2" more than stock uptravel with 9" travel shocks and no hassle with extended brake lines, adj. track bars and too much lift for not enough gain.