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Cranked the T-Bars, Ride/Stiff ??? #794484 03/05/07 03:37 AM
Joined: Sep 2006
Posts: 53
S
silver94sr Offline OP
Getting the Wheeling Fever
hey guys,

After adding new 33" tires (which are a huge improvement), I cranked my front torsion bars up 2" and took the upper bump stops out. After I cranked the bars, the ride in front is very hard. I knew that the ride would be come stiffer due to the higher spring rate, but this is much, much stiffer over stock. Bumps that I could barely feel before on the trail are almost teeth jarring.

I went to the local wheeling spot and the front didn't seem to travel at all. Afterwards I went to a parking lot with large speed bumps, the front seems to go up and over them with out any travel. I think the truck was trying to jump the bump.

Is this a result of the increased spring rate in the torsion bar? Or is this more of a result due to the sway bar being cranked down a few inches? Or am I missing something else?

Thanks for comments and thoughts,

Chris


1994 Montero SR 101,000 JDM 3.5
2" BL, 2.5" Valley Springs Rear Coils
BFG's 33x12.5 MT
Re: Cranked the T-Bars, Ride/Stiff ??? [Re: silver94sr] #794485 03/05/07 03:58 AM
Joined: Jan 2001
Posts: 3,876
Tag Offline
Roll Me Over
*****
I think you either cranked them too far or you did not get out all the bumpstops. There are 4 you need to take out or cut. You probably only got 2. They are on the front of the arm and the rear of the arm.


89 2dr 3.0 AT, manual hubs. 33x12.5 MT
gen 2 coils,Cranked front tbars
Dons rocker protection, Front/Rear Bumpers. ARB rear locker, 2" BL, Beefed up skid plates/trailing arms. Gen II uca, 2 Bouncy seats www.youtube.com/TagGeorge
Re: Cranked the T-Bars, Ride/Stiff ??? [Re: Tag] #794486 03/05/07 04:26 AM
Joined: Sep 2001
Posts: 8,557
LandRaider Offline
Forum Moderator
*****
Yep. Uncrank them some. You're going to have to get in and out a bunch, but you will eventually be able to tell where you need to have them.


Be sure to get an alignment afterwards also.


87 Raider 4D56td v5MT1
31's..Basically Stock
Re: Cranked the T-Bars, Ride/Stiff ??? [Re: LandRaider] #794487 03/05/07 05:33 AM
Joined: Jan 2001
Posts: 3,876
Tag Offline
Roll Me Over
*****
I never really have understood why the tbars make the ride rougher when you crank them unless of course you push up against the bumpstops. Mine did not really seem to get any harsher of a ride. They are not preloaded. You are just changing where they are sitting as if you put a spacer on a coil spring. Or a lift block on a leafspring.


89 2dr 3.0 AT, manual hubs. 33x12.5 MT
gen 2 coils,Cranked front tbars
Dons rocker protection, Front/Rear Bumpers. ARB rear locker, 2" BL, Beefed up skid plates/trailing arms. Gen II uca, 2 Bouncy seats www.youtube.com/TagGeorge
Re: Cranked the T-Bars, Ride/Stiff ??? [Re: Tag] #794488 03/05/07 06:51 AM
Joined: Sep 2006
Posts: 53
S
silver94sr Offline OP
Getting the Wheeling Fever
Tag, thanks. Well I feel like a dumb <img src="/forums/images/graemlins/butwiggle.gif" alt="" />!!!! I took out the front bump stops and left the one's on in the back. I am sure that will solve my problem.

thanks
chirs


1994 Montero SR 101,000 JDM 3.5
2" BL, 2.5" Valley Springs Rear Coils
BFG's 33x12.5 MT
Re: Cranked the T-Bars, Ride/Stiff ??? [Re: silver94sr] #794489 03/05/07 07:37 AM
Joined: Feb 2002
Posts: 3,548
Angelo Offline
Roll Me Over
***
Speaking of torsion bars... I've been meaning to ask this. But to make it simple, how can someone "loosen" the front suspension if they have the bars cranked? I know when you crank them it makes it stiffer. Does re-indexing them put it back at factory "softness" or is re-indexing something totally different?


99JAOS2"& OME 2"body 4.90s ARB HS9500i Skids&Ladder 16"315BFG JAOSRemote& Rack 3Row Rad IPF back& Searchlite HID Overhead Console/CB switchPanel FrARB RrLocker TJMSnorkel 160AAlt Sliders 2nd Tranny Cooler QuickAirII& Tank Rear frame/tank Lift
Re: Cranked the T-Bars, Ride/Stiff ??? [Re: Angelo] #794490 03/05/07 05:22 PM
Joined: Jan 2001
Posts: 3,876
Tag Offline
Roll Me Over
*****
Quote
Tag, thanks. Well I feel like a dumb !!!! I took out the front bump stops and left the one's on in the back. I am sure that will solve my problem


No problem. I did the same thing that is how I knew what you did.


89 2dr 3.0 AT, manual hubs. 33x12.5 MT
gen 2 coils,Cranked front tbars
Dons rocker protection, Front/Rear Bumpers. ARB rear locker, 2" BL, Beefed up skid plates/trailing arms. Gen II uca, 2 Bouncy seats www.youtube.com/TagGeorge
Re: Cranked the T-Bars, Ride/Stiff ??? [Re: Tag] #794491 03/05/07 05:40 PM
Joined: Mar 2006
Posts: 6,950
cmonty72 Offline
Trail Leader
****
Quote
I never really have understood why the tbars make the ride rougher when you crank them unless of course you push up against the bumpstops. Mine did not really seem to get any harsher of a ride. They are not preloaded. You are just changing where they are sitting as if you put a spacer on a coil spring. Or a lift block on a leafspring.
Although your not loading the spring any more by cranking them, you change the geometry of the control arms.


96 Montero LS 24V DOHC 3.0L.
98 Montero 24v SOHC 3.5L, factory rear locker, Winter/tow package.
63 Jaguar XKE 3.8L FHC
2000 Mercedes-Benz e430
07 fj cruiser
Re: Cranked the T-Bars, Ride/Stiff ??? [Re: silver94sr] #794492 03/05/07 06:19 PM
Joined: May 2001
Posts: 1,379
cap510 Offline
Body Damage is Cool
Quote
After adding new 33" tires (which are a huge improvement), I cranked my front torsion bars up 2" and took the upper bump stops out. After I cranked the bars, the ride in front is very hard. I knew that the ride would be come stiffer due to the higher spring rate, but this is much, much stiffer over stock. Bumps that I could barely feel before on the trail are almost teeth jarring.

On a 94SR you should not have to crank your torsion bars too much to fit 33s, if you want lift you should just install a 2" BL you won't have to crank you TB at all! <img src="/forums/images/graemlins/cheers.gif" alt="" />


[b]94/95 Montero SR "rockcrawler"
Riding on 37" MTRs
Re: Cranked the T-Bars, Ride/Stiff ??? [Re: cap510] #794493 03/05/07 10:09 PM
Joined: Sep 2006
Posts: 53
S
silver94sr Offline OP
Getting the Wheeling Fever

I only had slight rubbing on the inside of the fender flare when the front wheel was stuffed and turned. Just need to trim it a little bit. =) I wanted to gain a little distance between the skid plate and the ground. I was thinking of the Roger Brown BL I'm still thinking about it.


1994 Montero SR 101,000 JDM 3.5
2" BL, 2.5" Valley Springs Rear Coils
BFG's 33x12.5 MT
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