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UMI Performance Suspension Over Haul - 1999 SS - Lots of pics!

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Old 10-29-2013, 08:29 AM
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Talking UMI Performance Suspension Over Haul - 1999 SS - Lots of pics!

Hello Everyone,

I wanted to share some photo's of the suspension rebuild we are currently doing on Jerry's 99' SS. Jerry is one of UMI's product designers as well as our CNC programmer and CNC laser programmer. Jerry has been with UMI since day one so occasionally his vehicles get treated to a free rebuilds .

Jerry picked up this SS last spring, it actually came from a customer of ours. For suspension the car had a UMI torque arm, panhard bar and control arms. All suspension will be replaced with new items.

It also had a competitors set of SFC's we just had to cut off. Someone had to use some round stock to fill in the gaps while welding. We did not do this.

Below is the start of the tear down. I will be posting the finished product shortly.

If you have any questions please feel free to ask.

Thanks for looking!













Old 10-29-2013, 09:25 AM
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Looking forward to seeing the finished results.

My 99 SS has your SF Connectors, Adj TA (tunnel mounted), Upper & Lower Panhard bars, LCAs w/reloc brackets.

Old 10-29-2013, 10:33 AM
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WTF on those subframes... wow.
Old 10-29-2013, 10:42 AM
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They use steel rod in concrete to help keep things together, so logic would dictate that steel rod welded on a Camaro is better than just throwing on SFC's, right?



Old 10-29-2013, 06:31 PM
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I filled in the gaps where my sfc meet the body ,I used 1x1/8 flat steel .
Old 10-29-2013, 08:37 PM
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subscribing!
Old 10-30-2013, 10:22 AM
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First thing we did was remove those SFC's...






Old 10-30-2013, 01:13 PM
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Jerry's car always had a very strong engine, even with the bottle off. Now it drives like a slot car with a strong engine...
Old 10-30-2013, 01:43 PM
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Originally Posted by UMI Sales
Jerry's car always had a very strong engine, even with the bottle off. Now it drives like a slot car with a strong engine...
Only when Jerry isn't driving, of course... unless he's trying to hurry to the bathroom.
Old 10-30-2013, 04:46 PM
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Very nice
Old 10-31-2013, 09:44 PM
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I have your complete front end kit .where should I start with positioning the control arm bolts in the k-member slots ?please show some close up pics ,thanks .
Old 11-01-2013, 12:33 AM
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Originally Posted by garygnu
I have your complete front end kit .where should I start with positioning the control arm bolts in the k-member slots ?please show some close up pics ,thanks .
Ditto.....

I'm gonna go thru the same process as soon as all the parts arrive....it'll definitely need an alignment though.....but I can usually eyeball it pretty good (LOL).
Old 11-01-2013, 06:08 AM
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more pics?
Old 11-01-2013, 08:31 AM
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I'm considering doin a whole front end with their parts ( UMI Performance )and frame ties along with rear control arms.. Does anyone know if their parts are worth the time and money?
Old 11-01-2013, 09:03 AM
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Unfortunately we didn't take a lot of pictures of the removal but here are the parts starting to pile up.









Old 11-01-2013, 11:22 AM
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What front shock/spring setups are those?
Old 11-01-2013, 08:05 PM
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Looks like Afcos. One would wonder why with all of the other handling components
Old 11-01-2013, 09:52 PM
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The shocks are Afco Reactor 6875F's. Single adjustable rebound, fixed compression with BNC valving and 100 psi nitrogen charge. Jerry's car was pretty quick already and we happened to have the Afco's in stock. If you increase the rebound to the middle of the range it actually makes a pretty nice street shock. Our cars are constantly changing so if we find the 6875's don't work for what we're using the car for, we'll send them to Afco and have the damping curve changed accordingly.

With the LCA relocation brackets already installed, we can go full drag simply by adding our 2245 rear bar or full road race by increasing the front spring rate and adjusting the shock valving if necessary.

I've attached the dyno chart at soft and firm rebound for your viewing enjoyment.
Attached Thumbnails UMI Performance Suspension Over Haul - 1999 SS - Lots of pics!-image003.gif  
Old 11-02-2013, 04:18 PM
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Subscribing. Winters fast approaching so my car is getting ready to be put down for the season. Time to figure out what company to go with.
Old 11-04-2013, 08:13 PM
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Talk about great benefits, screw dental and 401k, I want free suspension rebuilds! subscribed


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