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#1037033 - 03/29/16 07:47 PM Re: SSLance's Build thread [Re: SSLance]  
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SSLance Offline
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Last night I installed a third chassis mounted Pro-Touring style rear sway bar on my car. The first one I never even finished with the install because it would not clear the lower control arms I had on the car at the time (the company graciously accepted the return). The second one required me to heavily modify the axle mounts to get it to clear my 9Ē housing and also took quite a bit of reconfiguring to get the end links to clear my tail pipes and lower control arms. I took it back off right away after testing showed it to be much too stiff for my application.

For over a year now I have been asking Ramey at UMI Performance to build a chassis mounted rear sway bar of the right size to work for how I use my car. They did just that and I finally ordered one of their ĺĒ solid rear sway bar kits for a G-Body and installed it last night. Iím not kidding when I say it took me less than hour start to finish for the install. The hardware UMI provided with the kit is top notch and everything fit just perfect on the first attempt. For example, the brackets used to attach the end links to the chassis, the other 2 bars used a single bolt to hold the brackets to the frameÖ the UMI kit uses not only 2 bolts but also a reinforcement plate behind the chassis to secure the bracket to the frame.



And the end links are short enough to allow the bar to sit at a decent angle even with the lowered stance my car sits at.



The bar clears the axle housing with zero issues and sits just about as perfect as it can.





Overall, Iím impressed with the build quality and more importantly the design that went into this product. I canít wait to see how it performs on the street and on the track. My first autocross test n tune is April 9th. Iíll have my new UMI G-Body front chassis brace installed by then as well.


Lance
1985 Monte Carlo SS Street Car
#1037052 - 03/30/16 02:20 AM Re: SSLance's Build thread [Re: SSLance]  
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That looks pretty good.

The only downfall is the center section of the rear won't allow you to move the axle mounting points inward. That would be a big benefit if the bars rate is a bit too much in it's outboard mounting position. If you had any other rear that option would be there for optimization. You would be surprised how much difference just moving the axle mounts in or out changes the bars torsional rates. Good thing there is the extra hole on the spherical rod end of the bar that will help ya a bit too.

Is there a reason you don't have the axle mounting positions equally centered on the housing?

Last edited by 1 Slow SS; 03/30/16 02:24 AM.

Enjoy life, family first!
#1037054 - 03/30/16 02:59 AM Re: SSLance's Build thread [Re: SSLance]  
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The sway bar mounts are actually both 4.5" in from the lower control arm mounts, so they are equally centered. The pumpkin on the 9" is offset on the axle a bit.

Also there are 3 holes on the bar itself for adjusting it's rate. I have it in the center hole for now.


Lance
1985 Monte Carlo SS Street Car
#1037055 - 03/30/16 03:49 AM Re: SSLance's Build thread [Re: SSLance]  
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In the picture it don't look on center at the axle mounting points. Not going by the center section but the sway bar itself. But that could be the photo angle I guess??

The holes at the spherical rod end I seen, those are good. But having the side to side movement at the axle would be nice too. Softening it up more if you needed too.

Last edited by 1 Slow SS; 03/30/16 03:51 AM.

Enjoy life, family first!
#1037056 - 03/30/16 04:06 AM Re: SSLance's Build thread [Re: SSLance]  
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Make sure you check the clearance between the housing and bar at full compression. The bar will rotate closer to the housing then. When you change from the softest setting to the firmest setting on bar you will increase the amount the bar will rotate, this due to the change in the bar's short arm length, the shorter the arm the more it rotates. Been there done all that on a Spohn Pro bar.
It's a good idea to keep the links close to plumb, straight up and down at ride height. Not sure if UMIs instructions say to loosen the u-bolts on the housing to get the links plumb, then tighten them in that position. You must check the bar rotation in all settings in full compression to insure it doesn't hit the housing. Hopefully all that homework is engineered into the new bar.

What I did to fix all that was make a new set of frame brackets with matching hole locations to the bar, that way all I do is change the link at the bar and bracket, the links are always plumb at ride height, don't have to touch the housing pivot point. I'll send you a pic of the brackets, they are overkill build, only had 1/4" steel laying around, but I knew at full stiff there could be flexing at the frame location without a gusset.

The Spohn bar is also 3/4" solid. I run full soft most of the time, full stiff for drag racing, ran medium at last autox, no real data from that experience, you can guess why.
Bob

#1037057 - 03/30/16 04:18 AM Re: SSLance's Build thread [Re: SSLance]  
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84 ZZ4 Offline
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That's a nice piece!
I like how UMI is cranking out new parts for our cars!


[Linked Image]
#1037058 - 03/30/16 04:45 AM Re: SSLance's Build thread [Re: 84 ZZ4]  
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Originally Posted By: 84 ZZ4
That's a nice piece!
I like how UMI is cranking out new parts for our cars!


I'm wondering if they have a comparable package to compete with the big guys? Shocks with that secret sauce valving(fox shock).

Last edited by 1 Slow SS; 03/30/16 04:46 AM.

Enjoy life, family first!
#1037059 - 03/30/16 10:41 AM Re: SSLance's Build thread [Re: 1 Slow SS]  
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Originally Posted By: 1 Slow SS
Originally Posted By: 84 ZZ4
That's a nice piece!
I like how UMI is cranking out new parts for our cars!


I'm wondering if they have a comparable package to compete with the big guys? Shocks with that secret sauce valving(fox shock).


I haven't seen Ron's dyno charts for the secret sauce. We do have our own higher rebound valve codes in the green machine right now and will be evaluating starting at Atlanta Super Summit auto-X in two weeks. Last season we ran Viking Crusaders with high rebound with good success.

#1037061 - 03/30/16 12:09 PM Re: SSLance's Build thread [Re: SSLance]  
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The new front lower control arms UMI just finished are a step above any others on the market now. I'm not sure if they are officially released yet but I know a set is getting bolted on the Green Machine now for evaluation on track.

Those matched with their new adjustable end upper control arms will make for a very nice setup, mild to wild...for someone looking to upgrade the front suspension on their G-Body. Their rear upper and lower control arms have been the best out for a while now.

And given the help UMI had designing the high rebound shocks, I expect big things from them as well. wink

The best part of this is, companies are building better and better parts for our G Bodys all the time. I can't wait to see what is next.


Lance
1985 Monte Carlo SS Street Car
#1037063 - 03/30/16 12:38 PM Re: SSLance's Build thread [Re: mmc427ss]  
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Originally Posted By: mmc427ss
Make sure you check the clearance between the housing and bar at full compression. The bar will rotate closer to the housing then. When you change from the softest setting to the firmest setting on bar you will increase the amount the bar will rotate, this due to the change in the bar's short arm length, the shorter the arm the more it rotates. Been there done all that on a Spohn Pro bar.
It's a good idea to keep the links close to plumb, straight up and down at ride height. Not sure if UMIs instructions say to loosen the u-bolts on the housing to get the links plumb, then tighten them in that position. You must check the bar rotation in all settings in full compression to insure it doesn't hit the housing. Hopefully all that homework is engineered into the new bar.


The picture I posted doesn't show it well but the bar is miles away from the pumpkin housing. That picture is taken pretty close to ride height and my fist will still fit between the bar and my 9" housing.

I put my axle brackets on the tubes level front to back (at ride height) so the sway bar is directly below the axle tube and the middle hole on the end of bar for the end links is directly below the chassis bracket. The end link will swing forward just a touch to go in the forward hole, and back just a touch to go in the back hole. No need to plumb bob anything with this bar, it just fits perfectly.

It's like Ramey read every complaint about how the other bars on the market fit and corrected everything at once with this design.

I also like how the UMI axle brackets have teeth on them to dig into the axle tube, the Hellwig brackets were smooth and that bar twisted on the housing while testing a couple of times. It needed to be at least spot welded to hold its place. I'll put witness marks on this to watch it but I don't think it will go anywhere.


Lance
1985 Monte Carlo SS Street Car
#1037085 - 03/30/16 07:33 PM Re: SSLance's Build thread [Re: SSLance]  
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i'm looking forward to hearing your feedback. the rear end in my car is from quick's as well, seems their housings are bigger than the rest. a buddy and me has to rework the lower coil over brackets to fit over the lower arm mounts. with the lca mounted sway bar, i can't use the nice jack pad on the rear end frown

#1037086 - 03/30/16 07:43 PM Re: SSLance's Build thread [Re: SSLance]  
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Is there already holes up there in the frame cross member or did you have to drill?

It sure is purty!


86 SS
400SBC, 4l80e, MSD Atomic injection/trans controller, Tilt glass clip, all tubular arms, corvette brakes, 9" rear
In progress
#1037088 - 03/30/16 08:18 PM Re: SSLance's Build thread [Re: SSLance]  
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Hey Lance what seals did you end up using on your quick performance 9in? Also what brakes and your bolt pattern?

#1037093 - 03/30/16 09:23 PM Re: SSLance's Build thread [Re: Number1]  
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Originally Posted By: steve40
i'm looking forward to hearing your feedback. the rear end in my car is from quick's as well, seems their housings are bigger than the rest. a buddy and me has to rework the lower coil over brackets to fit over the lower arm mounts. with the lca mounted sway bar, i can't use the nice jack pad on the rear end frown


Just did my initial test drive on the street with the rear bar installed and I like how it feels so far. There was too much traffic to get too sporty but I was able to throw the car around a bit and it feels good.

I'll have my Hotchkiss 1" solid LCA mounted bar for sale soon. It was the only one I found that actually went around the drain plug on the 9". Of course I'd suggest this new bar from UMI but if it's not in the budget, maybe that one will work for you.

Originally Posted By: MC96
Is there already holes up there in the frame cross member or did you have to drill?

It sure is purty!


You have to drill holes to mount the end link bracket too. It's not a big deal though, they are on the flat reinforcement part, real easy to get to both top and bottom of it.


Originally Posted By: Number1
Hey Lance what seals did you end up using on your quick performance 9in? Also what brakes and your bolt pattern?


I'll have to look for the part number, there are two to choose from depending on which axles you have.

I don't have any seals now that I've switched to the A20 style axle bearing though. That upgrade cured all of those sealing issues as well as the bearing failure issues I kept having.


Lance
1985 Monte Carlo SS Street Car
#1037106 - 03/31/16 03:03 AM Re: SSLance's Build thread [Re: SSLance]  
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What rear brakes are you using?

#1037115 - 03/31/16 11:36 AM Re: SSLance's Build thread [Re: SSLance]  
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Originally Posted By: SSLance

Just did my initial test drive on the street with the rear bar installed and I like how it feels so far. There was too much traffic to get too sporty but I was able to throw the car around a bit and it feels good.

I'll have my Hotchkiss 1" solid LCA mounted bar for sale soon. It was the only one I found that actually went around the drain plug on the 9". Of course I'd suggest this new bar from UMI but if it's not in the budget, maybe that one will work for you.


Thanks but I'll wait, my push is to get the car running. I'll be picking up one of those umi bars later on. Then I can take advantage of being able to lower the rear LCA down on the relocation brackets

#1037119 - 03/31/16 12:05 PM Re: SSLance's Build thread [Re: Number1]  
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Originally Posted By: Number1
What rear brakes are you using?


The Ford racing brake kit, basically a 99 Ford explorer backing plate, rotor and caliper.


Lance
1985 Monte Carlo SS Street Car
#1037191 - 04/01/16 03:31 PM Re: SSLance's Build thread [Re: SSLance]  
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SSLance Offline
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Put my UMI Performance Inc. front chassis brace on this morning, another fine piece from UMI. Bolted right up, fits like it should and looks to be beefy as heck.





Clears the massive MuscleBar easily...




Just one week away from putting all these new parts to the real test. All car needs now is a good cleaning and it's ready to race.


Lance
1985 Monte Carlo SS Street Car
#1037193 - 04/01/16 04:27 PM Re: SSLance's Build thread [Re: SSLance]  
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GuysMonteSS Offline
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Very nice !!!
Guy


GuysMonteSS '86 SS,513 BBC,AFR Heads,UDHarold/Bullet Custom Solid Roller Cam,706 lift,255/263 @ .050,Jesel Shaft Rockers,Balanced & Blueprinted,Doug Nash 4+1 5 Speed,Hurst In-Line Shifter,Ford 9 Inch Rear,SC&C Street Comp Stage 2+ Front End Kit...
#1037214 - 04/02/16 01:54 PM Re: SSLance's Build thread [Re: SSLance]  
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Did the plastic air dam under the rad support bolt back in without interference?
Bob

#1037226 - 04/02/16 08:18 PM Re: SSLance's Build thread [Re: SSLance]  
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SSLance Offline
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My car has never had one of those...


Lance
1985 Monte Carlo SS Street Car
#1037230 - 04/02/16 09:18 PM Re: SSLance's Build thread [Re: SSLance]  
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Crusher Offline
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Originally Posted By: SSLance
My car has never had one of those...

I knew there was something a little off about your car.


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#1037233 - 04/02/16 10:15 PM Re: SSLance's Build thread [Re: SSLance]  
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Yeah...that's it. laugh

Seriously, didn't they start to put those on in the later years?


Lance
1985 Monte Carlo SS Street Car
#1037272 - 04/04/16 03:02 AM Re: SSLance's Build thread [Re: SSLance]  
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So I've been fighting one of the AC bracket bolts that doubles as a header bolt ever since putting this engine in. The top of the hole threads in the head are a bit compromised so I've been very leery of cranking too much torque into the bolt...and it kept coming loose. The last time I tightened it...it sort of felt like it was pulling what was left of the threads out so I just stopped and left it. Yesterday the bolt and spacer left the car as I was traveling down the highway...so now I HAD to fix is.

I picked up a 6" stud and some metal pipe for a spacer and got busy. The stud threaded all the way in, hit bottom and snugged up real well with a double nut on the other end. So I marked the stud to show when it's all the way in, cut the spacer, cut the stud to length and put a groove in the end of it so I could run it in with a screwdriver. Dab of high temp RTV in the hole to fill in any voids then ran the stud in until it hit bottom. It snugged up real nice and it felt REAL good to me to really reef on the nut while holding a screwdriver in the stud and it didn't budge. It's tight now...hopefully the last time I have to deal with this.



So I set out to do some parking lot testing of all the new stuff. This car is now OMG fun on corner exit!! It had me laughing out loud to myself!! That's what it's all about right?

Bring on Test n Tune and event 1 next weekend...I'm ready.


Lance
1985 Monte Carlo SS Street Car
#1037278 - 04/04/16 11:38 AM Re: SSLance's Build thread [Re: SSLance]  
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GuysMonteSS Offline
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Hey Lance,moving up the HP ladder is always fun !!
I've gone from,(app),450 to 550 and now 650.
Each time brings a bigger smile to my face burnout
Guy


GuysMonteSS '86 SS,513 BBC,AFR Heads,UDHarold/Bullet Custom Solid Roller Cam,706 lift,255/263 @ .050,Jesel Shaft Rockers,Balanced & Blueprinted,Doug Nash 4+1 5 Speed,Hurst In-Line Shifter,Ford 9 Inch Rear,SC&C Street Comp Stage 2+ Front End Kit...
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