Suspension & Brakes Springs | Shocks | Handling | Rotors

1998 Trans Am Suspension Overhaul!! 10-28-11 updates and question

Old 10-07-2011, 04:21 PM
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Default 1998 Trans Am Suspension Overhaul!! 10-28-11 updates and question

Final Suspension Choice

- Bilstein Slp's
- Hollow Strano Bars
- Moog Upper ball joints, Moog Lower Ball joints, Moog Front upper and lower control arm bushings
- Sandblast and paint stock front control arms

Last edited by augie1209; 10-28-2011 at 02:20 AM.
Old 10-07-2011, 04:57 PM
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Sway bars will help a lot. The adjustable panhard is a nice piece, but it's not going to be a neccesity or something you'll noice. It's used to located the rearend for lowered cars or if you have a problem with your factory bar. I always reccomend the adjustable one regardless if you plan to lower the car in the future, at least it leaves the option open for few extra bucks.

Replacing the bushings these days is very important since the rubber parts are going bad.
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Old 10-07-2011, 05:13 PM
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Originally Posted by augie1209
Hey guys I'm doing an overhaul on suspension, don't plan on lowering want to keep as close to stock as possible. I plan on using the energy poly susp bushing kit and gr2s for shocks. My question is is it worth it to upgrade sway bars, adj pan hard bar, and the stock springs if I'm keeping it stock height? I think the bushing kit will show a tremendous amount improvement. The kit come with sway end links and I'm going to go ahead and changed the front ball joints as well. What do you guys think??
What are you looking to do with the car and what do you want out of it?
Handling? Drag? Ride quality?
Old 10-07-2011, 05:15 PM
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Thanks for the reply, what about the springs should those be replaced? Car has 134k
Old 10-07-2011, 05:27 PM
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Looking to keep it stock, a smoother ride and probably won't ever drag it. Once motor, trans, and rear end needs work ill probably keep the rebuilds stock minus maybe a little higher stall and a little higher rear end ratio. Not trying to break any records with this car
Old 10-08-2011, 09:54 AM
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I replaced all the bushings in the front and rear with HyperFlex Poly Bushings made a huge difference, the only thing is I wish I had used the Black Bushings because the Red one squeak like hell.
Old 10-08-2011, 12:43 PM
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Last edited by augie1209; 11-16-2011 at 07:54 PM.
Old 10-08-2011, 01:08 PM
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Keep going till you run out of cash, while your in there get all you can done because it is a PITA to do this stuff. lol I did mine and love it, I just need to get a set of good shocks.
Old 10-08-2011, 04:24 PM
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Originally Posted by augie1209
Looking to keep it stock, a smoother ride and probably won't ever drag it. Once motor, trans, and rear end needs work ill probably keep the rebuilds stock minus maybe a little higher stall and a little higher rear end ratio. Not trying to break any records with this car
Definitely going about this wrong then. Smooth ride = rubber bushing only. Poly can bind causing a harsh ride (and in some cases break parts), and can also be real noisy.
Cheapo replacement shocks are only a waste of money, if you want a smooth ride look into some Bilstiens.
Old 10-09-2011, 12:05 PM
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Old 10-09-2011, 12:08 PM
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Old 10-09-2011, 12:09 PM
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Originally Posted by JD_AMG
Definitely going about this wrong then. Smooth ride = rubber bushing only. Poly can bind causing a harsh ride (and in some cases break parts), and can also be real noisy.
Cheapo replacement shocks are only a waste of money, if you want a smooth ride look into some Bilstiens.
Even with the squeak of my Red bushings I would NEVER go back to rubber, my suspension with the poly is like night and day. I would go with the Black Poly bushings for sure!!!!
Old 10-09-2011, 12:14 PM
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Originally Posted by augie1209
Just clarifying, I will have to get new front strut mounts correct? Does bilstein have a specific one for their struts? Thanks
Shocks won't give you handling they will improve ride COMFORT. New shocks with old worn out bushings will make you cry, even more so with those High Dollar shocks. Don't get me wrong good shocks are a plus, that will be my next move but I was tired of the clunking and looseness, After I did my bushing install and took it for a ride the first time.........I had this BIG Smile.
Old 10-09-2011, 12:48 PM
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Old 10-09-2011, 01:13 PM
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Old 10-09-2011, 01:16 PM
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Originally Posted by augie1209
JD, thanks for the info I guess I wasn't really aware of that, I have just readup and the hyperflex bushings get really good reviews I just know that after 134k the stock stuff is probably ready to be out the door. I have been reading other threads and will probably just buy a set of the bilsteins, hopefully the extra 150 is worth it.
Good reviews from where?
Put poly bushing in places that need articulation and you will BREAK things:
https://ls1tech.com/forums/suspensio...ing-fix-5.html
Poly bushings bind, your suspension needs to move.

Originally Posted by LS1121
Even with the squeak of my Red bushings I would NEVER go back to rubber, my suspension with the poly is like night and day. I would go with the Black Poly bushings for sure!!!!
Originally Posted by LS1121
Shocks won't give you handling they will improve ride COMFORT. New shocks with old worn out bushings will make you cry, even more so with those High Dollar shocks. Don't get me wrong good shocks are a plus, that will be my next move but I was tired of the clunking and looseness, After I did my bushing install and took it for a ride the first time.........I had this BIG Smile.
And this tells me you don't have any clue WTF your talking about.
For handling shocks > anything, ask anyone whos been there, or who does handling for a living (like Sam Strano).
If your tired of clunking then tighten bolts, and if that doesn't help get solid rubber. If you don't like looseness then get good shocks...
Old 10-09-2011, 02:48 PM
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Old 10-09-2011, 04:10 PM
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Originally Posted by augie1209
JD, is there a complete rubber bushing kit that u would recommend, or brand?? I olny wnna do this one time the right way, and I drive this thing daily
I think Moog might make a kit, or seperate bushings you can buy. They will be rubber replacements, and some will be solid rubber (like the LCA's).
You should be doing good shocks (slp bilstiens for example) first unless your bushings are in dire need of replacement, because the factory shocks suck even brand new because of the way they are valved.
Old 10-09-2011, 04:46 PM
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Old 10-09-2011, 05:06 PM
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Originally Posted by JD_AMG
Good reviews from where?
Put poly bushing in places that need articulation and you will BREAK things:
https://ls1tech.com/forums/suspensio...ing-fix-5.html
Poly bushings bind, your suspension needs to move.





And this tells me you don't have any clue WTF your talking about.
For handling shocks > anything, ask anyone whos been there, or who does handling for a living (like Sam Strano).
If your tired of clunking then tighten bolts, and if that doesn't help get solid rubber. If you don't like looseness then get good shocks...


Gee I wish I was as smart *** you. when was the last time you drove my car? Ya know I just can't stand people like YOU who think they know everything.......WTF yes that shows real class or should i say ***. lol Go buy whatever you want.

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