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  Topic Review (Newest First)
09-12-2013 09:24 AM
Gert Kicking this thread up again.
I want to lower my '91 Caprice wagon a bit in the front.
Read here and some other places to use stock Impala springs.
Any idea how much it will lower the car? Which years SS springs can
be used. Any links to were these are for sale ?

02-03-2012 12:57 PM
MrBuick (Magnum) I made a mistake on the sway bars sizes. They are 15mm and 17mm.

I'm working on upgrading the handling of the wagon I have. I want it stable, to tow a trailer with a Roadmaster Sedan on it. But for now, I just need to get it running right.

Here is more info on another forum.

Got a wagon question? Start here! - Chevrolet Impala SS Forum : Chevy Impala SS Forums
02-03-2012 11:46 AM
Originally Posted by MrBuick (Magnum) View Post
For the 91-96(the only years I really know),
You mean they made others??

Sorry, I should have specified, yes the 91-96. I have a line on a very low mile 91 Caprice that sounds interesting, but you know that goes! It has a set of 20's on it which I have mixed feelings about. I would expect the low sidewalls are stiffer and firm up the the handling some.

I am looking for real word experience. I have read a lot of the past posts but a bit here, a bit there and it's hard to put it all together as a package. Info is much appreciated.
02-03-2012 11:35 AM
MrBuick (Magnum) What year range wagon are you looking at?

For the 91-96(the only years I really know), they only had one suspension code. They had the stiffer springs front and rear. the rears were adjusted to compensate for the added weight in the back. Using the stock Impala SS springs up front will only accomplish lowering it. The spring rate is very similar, if not the same. SS springs in the rear is really going to drop the rear, and cut down on how much you can put back there. You can gain some of this back, by putting Air Lift 1000 air bags inside the springs. My wagon sits pretty low in the back as it is, with the air shocks not functioning.

But really, even the SS front springs were not stiff enough to match the stiff springs in the rear of a sedan. The front of my sedans with the stiff springs, feel floaty compared to the stock rear. I'm sure a wagon was very similar. I have not driven mine much, and the shocks are beyond toast. The front springs are about a 440lbs/in rate. I have been looking in to the options of 750lbs/in front springs without dropping it much from where it sits. Probably higher than the 95/96 SS in the front. I have 94 SS springs in my 95 Roadmaster Sedan, and it's low enough for me. The 94 SS sat higher in the front than the 95/96 SS.

The front sway bar on a wagon is the small front bar. It's a straight forward sway to put on the large front bar from an SS, 9C1, or towing package sedan. Sometimes the screws strip out the frame, but there are a couple solutions to that. The rear, is not as straight forward. The GM sedan bar will not bolt up in the stock location. The rear LCA's on a wagon are about 2" farther apart. You have to either make adapter plates, use after market boxed arms and slide the bar forward(arms are angled, so this will work). Or, and this is the best option to me, get a rear bar from a Crown Vic, Grand Marquis, Town Car. I pulled a 21mm rear bar from a 92 Crown Vic with the handling package. This bar took me two years to find in the self serve yards I frequent. Most of them are 17mm on the crown vics(even police), and 19mm on town cars. It mounts to the axle housing, then has the links that go to the frame. The rear section of the GM wagons, and the ford Sedans is very very similar.
02-03-2012 07:32 AM
Practical mods and lowering questions

New guy here. Actively looking for a wagon and have some general questions. I am looking for something practical to drive but still will draw a little attention to it. I am going to use the wagon in my two businesses so it will be transportation as well as advertising.

Question has to do with drop spindles, if you lower the car 2" with spindles how much does that effect the car. Am I going to be constantly scrapping getting in uphill driveways, ramps, ect? I am thinking I am probably better off to not lower it at all. It would be embarrassing to get stuck in a clients driveway!

Next, question has do to handling. I know these are not sports car. So what mods are cost effective to improve the handling? I assume sway bars would be the best bang for the buck? I read the threads about using the SS springs and good shocks. Sounds like that might give me a little lower stance but being a big wagon I am not sure if sway bars wouldn't be better overall?

Thanks in advance.

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