Suspension question 9C1 vs. Fleetwood - Chevy Impala SS Forum
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post #1 of 11 (permalink) Old 01-09-2007, 09:35 PM
NauT-G
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Hi Guys,

I have a question that I thought I knew the answer to. I installed 9C1 springs that I cut 3/4 of a coil and new stiff Bilstiens in my Fleetwood but I am disappointed in the way the car handles.

My 9C1 has the same suspension set up and it corners as if it is on rails. Even with the 15" snows, it easily wins out in road holding over the Fleetwood.

The Fleetwood has so much more body roll. I thought that after cutting 9C1 springs and new Bilsteins, it should have the same body roll, more or less. I know the Fleetwood tires have a taller sidewall so it does roll on the sides a bit but I can tell the difference between body roll and rolling up on the side walls.

Am I missing something here? Are the sway bars different between the 9C1 and Fleetwood? I remember something about 9C1 and different body mounts; could that be it?

I am pretty disappointed. I was intending to put SS rims on it and change out to a 9C1 steering box. That would put identical suspensions and steering in both my 9C1 and Fleetwood. I know that the Fleet is larger and more massive but I still figured the two would be much more similar in handling then they are.

I would appreciate any input or information. Thank you all for your time. Have a great night.
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post #2 of 11 (permalink) Old 01-09-2007, 10:10 PM
N0DIH
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Try some reading here, this might shed some light:

http://www.theherd.com/articles/bushings.html
post #3 of 11 (permalink) Old 01-09-2007, 10:12 PM
edy923
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George, The swaybars are key to body roll. Do the swaybars and you wont be dissapointed. Remember a Fleetwood is a bit heavier than a Caprice also. A few of us have done swaybars and it has made a world of difference. I remember having Mig (Punissher) in my car Coming home from Jersey, and he was surpised at how flat my car was around this turn we were taking doing like 70 mph... I have an F-body front swaybar and the Herb Adams HO rear swaybar o my car. If you upgrade the rear swaybar you gotta do the rear lower arms too or the bolts that hold the bar will go pull right through... HTH...
 
post #4 of 11 (permalink) Old 01-09-2007, 10:15 PM
Brackets
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Sway bars will make a huge difference. I have Hotchkis http://www.hotchkis.net/cgi-bin/EDCs...catalogno=2205 and I like them but there are other alternatives as well.
post #5 of 11 (permalink) Old 01-09-2007, 10:27 PM
edy923
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Here is another spot. Dan (Bigbusa) got these and he's very happy he even got the hardware from them too... Spohn Performance
post #6 of 11 (permalink) Old 01-09-2007, 10:51 PM
NauT-G
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Thanks for all the info guys. I am psyched again! I can not wait for spring!

Have a great night!
post #7 of 11 (permalink) Old 01-10-2007, 04:27 AM
caplt4
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also if you get another sway make sure you change the sway bar bushing, there are like $20 on auto zone, adn they are poli, that will help a lot too. remember you can't do only the front, you will have to change the rear sway bar too, the springs helps too.
post #8 of 11 (permalink) Old 01-10-2007, 08:24 AM
edy923
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If you get the one from spohn it will come with the bushings stock ones will not fit since the bar is thicker...
post #9 of 11 (permalink) Old 01-10-2007, 08:45 AM
yellowtaws6
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Hotchkis F&R sway, UMI Control Arms, Bilsteins, & Impala SS springs (plus other new OEM suspension bits)... makes my Fleetwood handle better than my 2002 Trans Am!
post #10 of 11 (permalink) Old 01-12-2007, 11:57 PM
Caddylack
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Body roll is going to be directly related to the amount of body the car has. I'm not surprised the 9C1 does better around the corners than the Fleet.
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