Good Springs for Road Tripping 95 SS - Chevy Impala SS Forum
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post #1 of 12 (permalink) Old 08-21-2017, 02:22 PM Thread Starter
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Good Springs for Road Tripping 95 SS

I have a 95 SS and I daily drive it. I am looking for a solution to the rear springs sagging. I take my family out on road trips in this vehicle on a regular basis, and when my 3 kids are sitting in the back, and the trunk has some cargo in it, it sits too low.

Right now the stock springs are on there with Monroe severe service shocks, which I am not totally happy with... In my opinion the Monroes are pretty harsh..... and I am going to swap them out, once I find the correct springs to install ...

I know theres a lot of good experience out there in this forum, and would like to hear some suggestions for my SS. I want the car to handle well around turns and on the highway, and ride good in the city. I would like to know what springs I can use in the rear, so it wont sag as much and still ride like an SS should.

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post #2 of 12 (permalink) Old 08-21-2017, 02:28 PM
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Any car is gonna sag when you put weight in the back and if you buy stiffer springs to compensate for that then ride quality will suffer.

that being said I am very happy with the hotchkiss springs but the ride quality is noticeably more harsh on bad roads.

2001 Corvette ZO6
1995 Impala SS - H/C/I - BBB
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post #3 of 12 (permalink) Old 08-21-2017, 05:28 PM
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Interesting, those shocks are often referred as a less costly/near same quality as Bilstein. One of the two designs of KYB (single or dbl. piston IDK which) was wimpy enough I gave them away still new and replaced with Bilstein on a FWB I had stuck SS coils on. The ones I had were white if that helps [not at all expensive from Advance] and may be a good alternate for you.

For your rears I would not as much change the springs as simply add AirLift 1000 bags and pump up a little to take extra luggage and the kids.
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\'96SS SOB: SSRI, Herter Tune, Tri-Y II, , 3000 Edge, F/HO bars, METCO extendeds with CV MMC, Bilsteins, currently Vredestein Ultrac Sessanta (315/35 rear). Finally, wait for it... LT-4 knock module!
\'96FWB BUW-Butt Ugly White: PCMPerformance tune, HDFA w/ swissed filter, 1/2 SLP s.s. catback with H- and Flow Super 50s, oem opti rebuilt 3 times, SS Bars, METCO LCA, Airlift 1000, Monroe SS, PowerTrax No-Slip, CTS wheels with +1 rubber. Finally, yes again... LT-4 knock module!
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post #4 of 12 (permalink) Old 08-21-2017, 09:50 PM
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You could grab the auto leveling system from a wagon, and install it with air shocks, or air bags. You need the system from a 94-96 wagon. The compressor is behind the driver's side of the front bumper, and the sensor is above the rear axle on the passenger's side. You need the lines, as well. You need adapters for the shocks or airbags. It should be a simple install. You can make it automatic, or install a switch to raise or lower it.

1991 OCC 461 (.030 over 454) BBC, 3.23 posi, flash to pass, drop spindles & springs, Impala rims, Hydroboost, Recaros, MOMO/wood SW w/QR, custom wood shift knob, Pioneer DEH P77DH
1992 OCC now with 5.7 tbi, DEH P77DH
For a parts list, check https://www.impalassforum.com/vBulle...ion-parts.html
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post #5 of 12 (permalink) Old 08-22-2017, 06:58 AM
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Still lovin the moog 6381 springs (199lbs/in) after a year of driving. They were a bit on the harsh side with the bilsteins, but are just perfect with kyb gas-adjust for a wagon. The wagon shock is about 10% firmer and has a shorter extended length that keeps the springs from falling out when jacked up.

Also to compensate for excessive oversteer, replaced the 1.5" rear bar with the stock one.
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post #6 of 12 (permalink) Old 08-23-2017, 10:45 AM
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The Monroe severe service shocks suck. (I had them in my '96 RMW.) The high-speed damping is too stiff (which means an uncomfortable ride and harshness going over bumps) and the low-speed damping is too soft (which means that the car wallows in turns and floats on the highway). The Bilsteins, on the other hand, are epic--comfortable ride AND good handling. (I have them in my '94 Caprice wagon.)

I run the Airlift 1000s in my wagon with stock springs all around. I leave them at ~5psi unloaded, and then air them up as needed when towing. If your stock rear springs are weak, get a new set and install them with the Airlift 1000s.

--'94 Caprice "SS" wagon, 0.30 over, high-volume oil pump, LT4 hot cam, 1.6:1 rockers, ported aluminum Corvette heads, shorty headers, PCM4Less tune, 4.10s, shift kit, side-exit dual exhaust with Flowmasters, OR X-pipe, F-body gauge cluster, Bonneville front and rear seats (working electrics), Bravada console shifter, Bilsteins, 12.7:1 Impala steering box, Boss 338s with 255/45R20s, bunch of other stuff I'm forgetting.
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post #7 of 12 (permalink) Old 08-23-2017, 11:49 AM
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Quote:
Originally Posted by TheFleshRocket View Post
The Monroe severe service shocks suck. (I had them in my '96 RMW.) The high-speed damping is too stiff (which means an uncomfortable ride and harshness going over bumps) and the low-speed damping is too soft (which means that the car wallows in turns and floats on the highway). The Bilsteins, on the other hand, are epic--comfortable ride AND good handling. (I have them in my '94 Caprice wagon.)

I run the Airlift 1000s in my wagon with stock springs all around. I leave them at ~5psi unloaded, and then air them up as needed when towing. If your stock rear springs are weak, get a new set and install them with the Airlift 1000s.
It's comments like yours (and a couple other credible auto-x types here) that are gonna make me finally swip-swap the Konis on my FWB with the Bilsteins on my SS. After about a year of running them (first with fronts 40%-rears 0, and more recently 0-0) I've been half tempted to make changes. The Konis simply overpower the FE1 coils, even with 1 coil (1" drop) cut off the fronts. The seller said he had changed out broke airshocks a year earlier with non-air Monroe Sev. Serv. (well he said they were but no way for me to tell). Anyway I was not impressed - too floaty and I stole the bottom grommets and tossed them. And the fronts looked liked the originals.

I get a light weekend (and 2 jacks back from my son) and Ima get both cars in the air and just do it. I simply loved the Bilsteins/SS coils on my old FWB, and those old semi-sacked out 15-year old shocks with those lighter coils should be interesting to test. On the other hand, I'll start the Konis off at about 60 front-40 rear to go with the F- and HO bars and see if the garage queen SS firms up even more than it is now.

Thanks for all the extra work now Flesh-

\'96SS SOB: SSRI, Herter Tune, Tri-Y II, , 3000 Edge, F/HO bars, METCO extendeds with CV MMC, Bilsteins, currently Vredestein Ultrac Sessanta (315/35 rear). Finally, wait for it... LT-4 knock module!
\'96FWB BUW-Butt Ugly White: PCMPerformance tune, HDFA w/ swissed filter, 1/2 SLP s.s. catback with H- and Flow Super 50s, oem opti rebuilt 3 times, SS Bars, METCO LCA, Airlift 1000, Monroe SS, PowerTrax No-Slip, CTS wheels with +1 rubber. Finally, yes again... LT-4 knock module!

Last edited by 96 Black; 08-23-2017 at 11:55 AM.
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post #8 of 12 (permalink) Old 08-25-2017, 07:35 PM
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Quote:
Originally Posted by 91ss View Post
Still lovin the moog 6381 springs (199lbs/in) after a year of driving. They were a bit on the harsh side with the bilsteins, but are just perfect with kyb gas-adjust for a wagon. The wagon shock is about 10% firmer and has a shorter extended length that keeps the springs from falling out when jacked up.

Also to compensate for excessive oversteer, replaced the 1.5" rear bar with the stock one.
I had these too on my 95 roadmaster. really worked for both load control and handling with the stock rear sway. gonna get a set for 96 b4u next.

Broderick

on my 4th b-body - 96 b4u
had: 96 9C1 bought new
95 Roadmonster
91 9C1
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post #9 of 12 (permalink) Old 08-25-2017, 09:55 PM
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I went with:
Moog 7268 Front Ford 150 97-03 Dodge Van 79-80 750Lbs
Moog 5419 Rear Caprice 79-96 173Lbs
Hotchkiss bars front and rear
Bilsteins

Close to Impala ride height with the rear slightly higher. The ride is like the Hotchkiss lowering springs but more comfortable. The ride height prevents me from worrying about bad roads.

If I was loading up all the time the Moog 6381 springs (199lbs/in) might be better.

Z09B4U
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post #10 of 12 (permalink) Old 08-28-2017, 02:24 PM
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Quote:
Originally Posted by supersporty View Post
I have a 95 SS and I daily drive it. I am looking for a solution to the rear springs sagging. I take my family out on road trips in this vehicle on a regular basis, and when my 3 kids are sitting in the back, and the trunk has some cargo in it, it sits too low.

Right now the stock springs are on there with Monroe severe service shocks, which I am not totally happy with... In my opinion the Monroes are pretty harsh..... and I am going to swap them out, once I find the correct springs to install ...

I know theres a lot of good experience out there in this forum, and would like to hear some suggestions for my SS. I want the car to handle well around turns and on the highway, and ride good in the city. I would like to know what springs I can use in the rear, so it wont sag as much and still ride like an SS should.
I had many set ups on my car and much depends on what you are looking for. Most everything has some comprises. Do you want a car that handles on rails and can feel everything or is it a family cruiser that you want to ride like a Cadillac yet can handle the load when the family loads up for a trip. Let us know what is most important to you and we can pin point the options


Please visit my website at: http://www.1finecaprice.com/
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