Coil Lift vs BB - JeepForum.com

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post #1 of 85 Old 04-29-2010, 02:39 PM Thread Starter
Morgen251
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Coil Lift vs BB

What do you guys think of these head to head? I'm looking at 2.5" of lift, and am thinking of going coil instead of BB.

What do you guys see of as the advantages/disadvantages of these?

Will the coil lift net a greater lift than 2.5"? I've heard many say they get 3"+ from this. I'm currently rolling 32's, but will bump up to 34's next set of shoes.

Adj track bar not necessary, but recommended, right?


2010 JK Wrangler. Born to me on 12/28/09 when El Jeepo (TJ) decided 160K was enough, and threw a rod through a cylinder.

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Rubi Rocker Guards; 32" Mastercraft MTs; Teraflex 2.5" Coil Spring Lift; JKS Quick Discos; JKS Front & Rear Adj Trackbars; JKS Ex Rear Swaybar links; Zone Nitro Shocks; 1.5" Rough Country Wheel Spacers; Poison Spyder Evap Skid; Cobra 75WXST; 3' Firestick quick disco; Rugged Ridge XHD Fr Bumper; Tuffy Underseat Drawer; 6" KC Long Range Hilites; Superchips Flashpaq, Crown Extended brake lines

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post #2 of 85 Old 04-29-2010, 02:45 PM
N2rock
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BB- pro= doesn't change the ride. Feels same as stock
con= does not have as much articulation as coil lift

Coils- just flip the above around pro/con

Adj trackbar- you are correct.

for details and info on our JK's, check out http://n2rock.com

His: '07 Unlimited X, Jeep Green, Hardtop, auto, 5.13, 2.5" RC lift and too many mods to list

Hers: '08 X Red Rock, soft top, auto. Bunch of mods

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post #3 of 85 Old 04-29-2010, 05:02 PM
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If you plan on adding a bumper and winch go with coils, if not go with bb.
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post #4 of 85 Old 04-29-2010, 06:14 PM
RockyClymer
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I think the answer might be what is your objective? Lift for lifts sake, looks - or off roading with more articulation and future mods in mind. Once you know what you want to do, that might offer a clearer answer...just my 2 cents.

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post #5 of 85 Old 04-29-2010, 06:23 PM
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I chose the RC BB as a stepping stone to the end product
It is a way to get the lift required to make all of the other modifications on my list without guessing the future spring requirements.
I am piecing things together and haven't added bumpers or winch and tire carrier. I have added Curry track-bars and next comes the Curry steering and CA's.
When everything is in order I will add the springs that best suit the weight distribution and lift needed.
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post #6 of 85 Old 04-29-2010, 06:26 PM
jeepinmichguy_
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a stock suspension will max out disco'd with proper shocks and a bb. you will not get more flex from just adding springs if the rest of the suspension is stock.

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post #7 of 85 Old 04-29-2010, 06:48 PM
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Quote:
Originally Posted by jeepinmichguy View Post
a stock suspension will max out disco'd with proper shocks and a bb. you will not get more flex from just adding springs if the rest of the suspension is stock.
Exactly! What he said.

07 JK 4DR 3.5" Rubicon Express, C gussets, Front XHD stubby, winch, Taboo Customs rear bumper with tire carrier, Taboo Customs Rock sliders.
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post #8 of 85 Old 04-29-2010, 07:18 PM
JLC08JK
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Quote:
Originally Posted by jeepinmichguy View Post
a stock suspension will max out disco'd with proper shocks and a bb. you will not get more flex from just adding springs if the rest of the suspension is stock.
The only problem that I see in "maxing out" a BB'd suspension is that at full compression the springs will be beyond their point of full return!
Without the use of extended bump-stops (which will limit the full potential) you will quickly ruin your springs!!
Aftermarket lift springs will allow the full range of motion without the need for additional limiting devices!
Now if the lift is in place to provide space for larger tires then the extended bump-stops will be needed anyway.
It all depends on the individual goals and requirements of the end user.
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post #9 of 85 Old 04-29-2010, 07:29 PM
juiceparn
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I wheel my BB (with factory bumpstops) pretty hard and it articulates very well and my springs have come back every time. I guess they may wear the springs a little more over time, but I'm at 44,000 miles and haven't had a single issue with springs or articulation. Time will tell, I have a set of Rubi take offs if I need them.

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post #10 of 85 Old 04-29-2010, 07:35 PM
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Quote:
Originally Posted by jeepinmichguy View Post
a stock suspension will max out disco'd with proper shocks and a bb. you will not get more flex from just adding springs if the rest of the suspension is stock.
Trying to get all of my information together too, what else do you need, I know shocks.

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post #11 of 85 Old 04-29-2010, 07:58 PM
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Quote:
Originally Posted by N2rock View Post
BB- pro= doesn't change the ride. Feels same as stock
con= does not have as much articulation as coil lift

Coils- just flip the above around pro/con

Adj trackbar- you are correct.
WOW!! We NEVER disagree
my OME coils and BDS shocks ride way better than stock. Getting rid of my BB was a huge improvement in ride and articulation. When disco'd my coil lift flexes better than the BB did because the BB used stock shocks which limit travel. If you don't extend bump stops, any 2" lift w/ shocks will articulate better just from longer throw shocks.

'07 JK 2dr Sahara - auto w/ 4.10's and rear locker. 2" OME HD coil lift, BDS shocks, and 1" body-lift. 34" Hankook RT09 MT's on 16" AEV Bridgers. ARB diff covers, Warn bumpers, Warn 9K winch, a couple Hella lights ...and a WORTHLESS AirRaid CAI.
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post #12 of 85 Old 04-29-2010, 08:59 PM
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Quote:
Originally Posted by RockyClymer View Post
I think the answer might be what is your objective? Lift for lifts sake, looks - or off roading with more articulation and future mods in mind. Once you know what you want to do, that might offer a clearer answer...just my 2 cents.
What would you suggest for this situation:

Unlimited Rubicon that only sees off-road action one weekend a month.
33's are probably as big as the tires will ever go.
AEV front bumper coming soon, a winch in a few months, AEV rear bumper a few months after that.

Off-road action hasn't been even close to extreme yet, but I'm new to this. Forest service fire trail types of roads, mostly so far. One section has a steep, flat rock to climb, and I drag my rear bumper/toe hook every time. TJs with 33's and small lifts clear it fine. So that (and not raking too much more with bumper+winch) was why I wanted a lift...
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post #13 of 85 Old 04-29-2010, 09:44 PM
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Quote:
Originally Posted by tricked919 View Post
WOW!! We NEVER disagree
my OME coils and BDS shocks ride way better than stock. Getting rid of my BB was a huge improvement in ride and articulation. When disco'd my coil lift flexes better than the BB did because the BB used stock shocks which limit travel. If you don't extend bump stops, any 2" lift w/ shocks will articulate better just from longer throw shocks.
I agree, my Jeep rides exactly the same as it did stock. If you just want it to look cool go BB. If you want more off-road capability get springs.
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post #14 of 85 Old 04-29-2010, 11:45 PM
ihbond
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I went with the 2" BB and added a rampage bumper with Custom fit Roadmaster brackets for towing. Front dropped about 5/8 inch without any Winch on it. I decided I liked the ride and decided on beefier\stiffer monotube shocks (help keep those shoes on the ground on the downhill) and another 1/2 spacer in front to as my next place of reference. Little more rigid, but I think it gives me a good place to start and for me it was cheaper.
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post #15 of 85 Old 04-30-2010, 02:58 AM
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Originally Posted by tricked919 View Post
WOW!! We NEVER disagree
my OME coils and BDS shocks ride way better than stock.
That's because all lifts (springs) are not created equal. OME is a quality base.
Some spring rates are wrong, some shocks are underdamped or just plain bad, some parts are made from old cheeeeeze.

First and foremost, you have to have enough spring and enough shock. Then add the rest.

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