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CTS-V
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874 Posts
Discussion Starter #1
I finished installing my QA1's today.

1. OC Shocks was great to deal with. Great price, quick delivery... these guys rock.

2. I've got the Ground Control coilover setup and with the QA1's I have a lot more adjustment in the front. With FG2's and FG4's I had to pretty much adjust the GC all the way up to keep from dragging/rubbing. With the QA1's I'm currently with about 5 threads above the adjustment collar and could go down another 1/2-3/4" before I'd be as low as I was with the factory Nivomats.

3. I also have the Hotchkis sway bars. When the car was up on jack stands and both front suspension corners had the wheels hanging in the air the bars just kissed the shocks. As soon as they moved up (even just a little) there was clearance between the bar and the shocks. Since I'm not planning on any Dukes of Hazzard jumps any time soon I'm not too concerned about clearance.

4. The car handles GREAT. I've got the front shocks at 10 clicks (out of 22 or so) and the rears at 8 clicks (out of 18 or so) and it feels pretty much the same as when I had the FG2's on the car.

5. For the fronts and the rears the factory bump stops need to be removed. The rear ones are on the inside of the dust shield and come out easy by prying them down with a small screwdriver through the hole in the top of the dust shield.

6. Speaking of the dust shield, the down side of using the factory dust shield on the back is that it eliminates access to the hex used to hold the shock shaft from turning while tightening the screw on the top. As a consequence I had to use vise grips on the top of the shaft to tighten the nut.

7. The rears are banging/clunking when I hit a jarring bump. Not under normal road conditions, just harsh bumps... then again, harsh bumps are normal road conditions here in Michigan :banghead: . I need to add spacers/washers but can't remember where in the stack on the top of the shock they go. I've tried some searches but haven't been successful so if you know the thread or just where to insert them let me know. I used to have them in the stack when I originally installed the GC but I had the dealer install my last set of FE4's since I didn't have time and evidently the mechanic at the dealership didn't think the stack of washers was necessary/appropriate.
 

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ZIP
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51,864 Posts
I used 2 of the Feff fix washers and that washer under the pillow mount wasn't big enough, ideally, but it worked...
 

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CTS-V
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874 Posts
Discussion Starter #4
Perfect. Those pic's were exactly what I needed. Thanks!
 

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2005 CTS-V
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50 Posts
That banging is not good. You need a washer (like in the picture) or the black metal "cup" to take the upward load into the rubber mount. Without that, the top of the shaft is driven into the rubber with bad results.
 

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91 cadillac seville
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4 Posts
Re: QA1 Install - Thoughts, Comments and Question

don't mean to interrupt the thread, but i'm new to this sight. i was wondering if you knew how to remove the cross under pipe under the oil pan on a 91 seville?
 

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2005 CTS-V
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8,363 Posts
Re: QA1 Install - Thoughts, Comments and Question

don't mean to interrupt the thread, but i'm new to this sight. i was wondering if you knew how to remove the cross under pipe under the oil pan on a 91 seville?
With C4.
 

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2004 CTS-V
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1,627 Posts
any tips on removing a stubborn oil pan of the 91 seville?
Quit asking this question here. You are in the wrong area of the forums. Nobody here knows the answer to your question. Quit spamming the V section!!!
 

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2007 CTS-V
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435 Posts
any tips on removing a stubborn oil pan of the 91 seville?
1.) Take a 3/8" Socket Wrench and test to ensure that it is slightly larger then the actual nut you will remove.
2.) Pack the socket with wet newspaper
3.) Use a dead blow hammer to wedge the socket on the stubborn bolt
4.) Push the 91" Seville off a cliff
5.) Post video on Youtube. We will watch.
 
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