Join Date: Jan 2009
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What "police shocks" did you order?
The factory "police" shocks for that year are completely wrong, GM actually spec'd them for landings, NOBODY likes them. Most aftermarket companies just spec the same shocks as they would have for earlier years and those are stiffer and can be nice if paired well with the springs.
Far as springs I would not go buying 16+yo worn out original Impala springs, some new ones of similar spec are nice but you really didn't tell us how low you want it.
It is also a rather poor idea to install new front shocks now and then take them apart for a spring install as the front ones IF they come apart without breaking them sometimes the shaft gets spun which can damage the seal, ruining a nearly new shock.
With the AGE of the car I would probably be considering new greasables and bushings in the front with a spring swap since it will be apart anyway and it sounds like you are paying labor so why pay twice, even if doing the work yourself why pay for an alignment twice.
Far as picking springs I would wait till spring and try and see a few modded cars and get a feel for what you like. A friend in Racine has I believe the Eibach Impala lowering springs, a friend in Appleton has a mix and match setup with very stiff front springs and a circle track rear spring, other friend's have stock Impalas. I have Impala springs on my car but it sits a little higher in the nose due to modest lightening like a fiberglass hood and aluminum heads, AIR system delete.
Actually shock choice will affect height too Bilsteins being high pressure will usually make a car sit higher, I know when I put them on the rear of my car it raised it like 5/8".
On an unrelated note the color is medium garnet red.
Please don't be offended by this, but if you think you are going to improve the car by ordering magical cop car parts you are going to spend a lot for a little gain. You need to think of it this way, the Impala was just a Caprice in an evening dress and the cop car was just a Caprice in work clothes, NEITHER is particularly special or upgrade from what you already have., They got a drum brake proportioning valve so in STOCK form for normal driving I like the brakes you have better than the rear discs the SS and 9C1 got. With the drum prop valve the system doesn't work right and the rear discs barely function in normal braking though work appropriately under hard braking so they were fine when asked to perform hard.
People don't like it when I say that but I am one of few people who has had all three rear brake setups, the 9.5" drums on the 7.5" axle, the 11" drums on the 8.5" axle and the rear discs all in the same car.
96 Caprice with AI 200cc package
Best et 11.5
Best MPH 116
Just another taxi
Last edited by Dwayne J; 01-24-2012 at 02:35 PM.