84 Coupe Deville Project - Page 8
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RWD 19xx-1984 DeVille and Fleetwood,
1985-1996 Fleetwood and Brougham Forum Discussion, 84 Coupe Deville Project in Past Cadillac Vehicle Discussion; Got the impala suspension on. It doesn't really sit lower, guess the old ones were really sagging. Ill get a ...
  1. #106
    csbuckn is offline Cadillac Owners Master
    Automobile(s): 84 Coupe w/500
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    Got the impala suspension on. It doesn't really sit lower, guess the old ones were really sagging. Ill get a pic up a little later.
    Here's the springs, about 2.5" shorter.

    I even indexed them correctly this time. Car sits level. When I put these in the 90, it didn't sit level because I didn't index.

  2. #107
    csbuckn is offline Cadillac Owners Master
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    Seems to be the exact height as before. I'll probably get some new air shocks for the back soon.

  3. #108
    outsider is offline Cadillac Owners Connoisseur
    Automobile(s): 1987 Brougham D'Eligance, 1969 Calais Sedan, 1995 FWB
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    Re: 84 Coupe Deville Project

    wow that car is coming along. i like the stance with those new springs
    Spillin and Spillin like this.

  4. #109
    csbuckn is offline Cadillac Owners Master
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    Re: 84 Coupe Deville Project

    Thanks. I was just looking at the picture from the last page and it seems that the rear has dropped a bit but it might be my meesed up driveway thats making the other pic seem higher in the rear.

  5. #110
    Bro-Ham's Avatar
    Bro-Ham is offline Cadillac Owners Connoisseur
    Automobile(s): 1979 Cadillac Sedan deVille d'Elegance
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    Re: 84 Coupe Deville Project

    Looks great!!!

  6. #111
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    jayoldschool is offline GM RWD V8 addict
    Automobile(s): 81 FWB D'Elegance coupe
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    Re: 84 Coupe Deville Project

    Still loving the wheels.

  7. #112
    carnut is offline Cadillac Owners Master
    Automobile(s): 1988 Allante' (sold), 1984 Eldorado, 84 Sedan DeVille
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    Re: 84 Coupe Deville Project

    As you might have read, my 84 Sedan has had the front and rear sway bars from a caprice cop car installed. I also used orange urethane sway bar bushing links on the front. I, like you, drive a bit aggressive and wanted a flatter cornering car. Stiffer springs and shocks will not make it corner flatter, fatter sway bars will. I think the new springs you installed were necc. because to old ones were weak. Be careful on shock selection, you dont want to stiffen the ride and loose that Cadillac smoothness on the interstate. Its been an interesting read so far, yours is the same color as mine just 2 less doors! Love the wheels! what year are they from? I adjusted the arm on the level ride sensor to raise the back about an inch. On mine, you can just see the whole whitewall standing back 20 feet. Adjusting that arm to raise the rear static height also added about 10 lb of air to the shocks so its less soft but not stiff. great thread!

  8. #113
    cadillac kevin's Avatar
    cadillac kevin is offline Cadillac Owners Master
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    Re: 84 Coupe Deville Project

    carnut,
    do you know if there is a difference between a 9c1 and a tow package sway bar?
    also, did you change out the steering box in yours for a quicker ratio one?

  9. #114
    csbuckn is offline Cadillac Owners Master
    Automobile(s): 84 Coupe w/500
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    Thanks y'all. It's almost done except the interior. I do have the urathane sway bar bushings and a bigger bar in the back but stock up front. I drove it around a little today and it stays pretty flat but I haven't really hit the gas hard in the corner. I'm not too worried about a caddy like ride, its pretty loud and I plan on putting it down the track a few times. Carnut, do you know what size your front sway bar is?

  10. #115
    Mark 78 Coupe is offline Cadillac Owners Fanatic
    Automobile(s): 1978 Coupe De Ville, 1993 Fleetwood
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    Re: 84 Coupe Deville Project

    Quote Originally Posted by csbuckn View Post
    Got the impala suspension on. It doesn't really sit lower, guess the old ones were really sagging. Ill get a pic up a little later.
    Here's the springs, about 2.5" shorter.

    I even indexed them correctly this time. Car sits level. When I put these in the 90, it didn't sit level because I didn't index.
    I may replace the springs on my 78 Coupe. What is indexing? And, has anyone used springs from Jamco? I would like to get my car a little lower, and they advertise custom made springs wound to anywhere from a one to three inch drop from stock. By the way, love your build, and the speed in which you built it puts the rest of us to shame.

  11. #116
    csbuckn is offline Cadillac Owners Master
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    Indexing is when you place the end of the coil between the holes in the lower control arm. To make sure the lowest/highest part of the spring mates with the highest/lowest part of the control arm. Something like that.

    I owe the speed of the build to my girl, she stays in with the kids while I go in the garage at night.

  12. #117
    BigCadMan_1's Avatar
    BigCadMan_1 is offline Cadillac Owners Fanatic
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    Re: 84 Coupe Deville Project

    Building it the way it should have been.....

  13. #118
    jcolliga40 is offline Cadillac Owners Fanatic
    Automobile(s): 86 fleetwood
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    I love that color perfect color for a coupe.

  14. #119
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    jayoldschool is offline GM RWD V8 addict
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    Re: 84 Coupe Deville Project

    Sam, just grab a 9C1 front bar. OR, the 2nd gen F body WS6 bar. Even better.

  15. #120
    carnut is offline Cadillac Owners Master
    Automobile(s): 1988 Allante' (sold), 1984 Eldorado, 84 Sedan DeVille
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    Re: 84 Coupe Deville Project

    My gear box is fairly new. I did not change it. The sway bars were fatter than mine so, no, I didn't check build sheets. The fat rear bar appears to be the same on Buick Estate wagons as well. I am leaving the springs alone. I want the Cadillac ride, but I want it to corner like a Cop car!

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