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Improving ride quality in my 92 gt??

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Old 03-26-2014, 09:48 PM   #1
schecterplayer
 
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Default Improving ride quality in my 92 gt??

Hi all I own a 92 gt and have been hating the way it rides and feels going down the road. Every little bump, crevasse, pebble I feel and it's greatly exaggerated due to what I'm assuming is body flex. The car is bone stock. 120k on it. My main mechanic who I trust 100% as he's owned and worked on foxes ever since they've been around said my shocks and struts were old but perfectly fine and I might see a 10% better ride replacing them. I know a 20 year old fox has a lot of body flex so I am planning on maximum motor sports subframe connectors very soon. How much will these help? Also I am concerned about the interior shakes, rattles and just overall noise. Will that be helped as well?

Thanks for any info guys
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Old 03-26-2014, 10:19 PM   #2
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subframes won't improve ride quality...it'll stiffen the car like a board, as for rattles, good luck.....20+ year old car could have lots of interior stuff loosened up, go after it all one by one......decent pair of shocks and struts will help more than 10% as well as a tire that is not hard....look at treadwear rating, the higher the number the harder the tire
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Old 03-26-2014, 10:44 PM   #3
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Subframe connectors and good shocks & struts will certainly improve the situation, but people generally don't buy a 92 Mustang for its ride quality. Even new, their ride quality was only *okay*. But they can be made to handle very well with the right parts.
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Old 03-27-2014, 06:17 AM   #4
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Wow thanks for the great replys guys. I'm defiantly not expecting a caddy here but I feel like its a little extreme. I mean one little bump sends a jolt through the whole car something fierce. It just feels like something isn't doing its job anymore to dampen the shock. My back isn't happy with it either lol
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Old 03-29-2014, 04:18 PM   #5
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I would get new shocks and struts then get so quality coil springs with polyurethane coil isolaters, I put Eibach sportlines with the isolaters and my car rides very smooth. I also did poly motor and trans mounts as well
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Old 03-29-2014, 04:31 PM   #6
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hello:

mjr46 is correct. stiffening the body stiffens the ride. the inherent designed in flex causes a softer ride.

if it is that harsh, either you are a major wuss or there is something seriously wrong like a bent shock etc., lol.

if your shocks are bad your ride will be SOFTER as long as the suspension is not bottoming out.

stiff shocks like konis will be a much stiffer ride than cheap 5.00 shocks.

the springs obviously also affect ride quality. if it is not bottoming out you can have eibach make some custom softer springs and rhen just but the cheapest shock you can find or buy some very expensive shocks with adjustable rebound and compression damping and adjust to your liking.
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Old 03-29-2014, 10:43 PM   #7
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So it's looking like I'm just expecting a decent ride out of a car that was never good to begin with. I guess I was more concerned about something being wrong and maybe causing more damage. So am I wrong to say that after 100k miles that the shocks are fine because the car rides rough? And I always heard that subframes will Improve the ride because the bumps and movements are being absorbed by the shocks not the body. If the body is flexing I'm going to feel everything through the body right?
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Old 03-30-2014, 12:07 AM   #8
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The shocks and struts main purpose is to control the compression and the extension of the springs. Bad shocks mean the ride will get more bouncy as there is nothing to control the springs. A stiff ride means the springs are not absorbing bumps well; they're worn and fatigued to where there is little compression before bottoming out or they're too stiff to where they will not compress. Im guessing worn on a 92. So much goes into ride quality: spring rate, age and quality; shock quality and age; tire pressure, aspect ratio, type; chassis flex; seat padding and so on.
Replacing shocks and struts will help but your springs and isolators are probably worn out too.
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Old 03-30-2014, 07:36 AM   #9
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Quote:
Originally Posted by schecterplayer View Post
So it's looking like I'm just expecting a decent ride out of a car that was never good to begin with. I guess I was more concerned about something being wrong and maybe causing more damage. So am I wrong to say that after 100k miles that the shocks are fine because the car rides rough? And I always heard that subframes will Improve the ride because the bumps and movements are being absorbed by the shocks not the body. If the body is flexing I'm going to feel everything through the body right?
where in Md are you?? you want to feel a car that has all the suspension goodies, you can go for a ride in mine, it's as stiff as a board and set up for the track. Also, I think the foxbodies ride okay, but nowhere near as decent as the newer mustangs......and I've driven plenty of the new stuff to compare.
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Old 03-30-2014, 08:28 AM   #10
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Ah some more great info! Springs was my next question. I can almost garuntee my springs are too stiff because literally the smallest thing in the road feels huge. I also forgot to mention that the nose dive during breaking is huge too.
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Old 03-30-2014, 08:31 AM   #11
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And also can some one comment on what springs I should be looking for? I am really not looking for cornering at all. I know a lot of guys on these forums are but that's not my thing lol. Just a decent ride quality that doesn't make my girlfriend hate the car lol.
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Old 03-30-2014, 10:40 AM   #12
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you just mentioned nose dive when braking. That tells me you need to replace shocks. If you experiencing a bounce "side to side" type sway, then look at your sway bar links they could easily be worn out.
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Old 03-30-2014, 10:44 AM   #13
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Originally Posted by eb2gt View Post
you just mentioned nose dive when braking. That tells me you need to replace shocks. If you experiencing a bounce "side to side" type sway, then look at your sway bar links they could easily be worn out.
Awesome man thanks. It's been hard finding straight answers lol. So I think I've decided to go with ford racing b springs and kyb shocks and struts as they are basically stock replacements. Thanks for all the help!
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Old 03-30-2014, 06:58 PM   #14
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hello;

What is your exact tire size?

the wider your tire is and the lower its profile, the harsher the ride will be.

example:

195x75 = cumfy

225x60 = noticeably firm but not harsh

235x50 = put a gel pad on your drivers seat

245x40 or lower/wider = spinal compression.

The stock tires on that car are 225x55-16. This means it will ride slightly harsh unless you go to different tires.

If the ride still sucks after you change the suspension then you can try different tires however unless you go to 15" rims it will only make a small difference.

Stock .225x60-16 = 26.6X8.9

Option 215/60R16 = 26.2X8.50

OR

15" tire on 7" rim 225x60-15 = 25.6X8.9 = noticeable improvement.

15" tire on 7" rim 215x65-15 = 26X8.50 = uber comfy.

Since you do not do performance driving, I suggest you run the tires on the low side of the mfg's recommended pressure. You can actually run it around 2 lbs less for an even more comfy ride. just don't do 70 mph for 100 miles like that.

You can buy new nice chinese rims for around $110.00 each.

http://www.rev-wheels.com/



Quote:
Originally Posted by schecterplayer View Post
It's been hard finding straight answers lol.
Both I and mjr46 gave you straight accurate answers. It's simply your choice whether to believe them or not.

I am actually and engineer and have done extensive engineering and testing on suspension.



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Originally Posted by schecterplayer View Post
So I think I've decided to go with ford racing b springs and kyb shocks and struts as they are basically stock replacements.


Quote:
Originally Posted by schecterplayer View Post
And also can some one comment on what springs I should be looking for?
It's hard to say since you now say your nose dives excessively upon braking. this is due to soft sproings and/or low compression shgocks. in your case it is likely caused by both. stiffer springs and good shocks will reduce this but it will make your ride more jarring and harsh which is what you said you are trying to avoid.

You can't have your cake and eat it to unfortunately.



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Originally Posted by schecterplayer View Post
Just a decent ride quality that doesn't make my girlfriend hate the car lol.
sounds like it will be easier to replsace your girlfriend then obtain a cushy ride she will enjoy.



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Originally Posted by schecterplayer View Post
So it's looking like I'm just expecting a decent ride out of a car that was never good to begin with.
Bingo! Keep in mind though that a big part of the harshness is due to the tires and NOT the suspension.

I have driven $150,000.00 Mercedes with low profile tires from the factory and uber fancy suspension and when they hit a sharp edge bump it still beats the "c__p out of you.



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I guess I was more concerned about something being wrong and maybe causing more damage.
As I said, it might be bottoming out. We can not determine this from behind a computer, only you, a knowledgeable friend, or a shop can..



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Originally Posted by schecterplayer View Post
So am I wrong to say that after 100k miles that the shocks are fine because the car rides rough?
Yes you are wrong to say that. Your shocks are TRASH, lol.



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Originally Posted by schecterplayer View Post
And I always heard that subframes will Improve the ride because the bumps and movements are being absorbed by the shocks not the body. If the body is flexing I'm going to feel everything through the body right?
Both mjr46 and I already went over this in detail. We are 100% right and anyone that says tht subframes softens the ride is simply wrong.

Last edited by barnett468; 03-30-2014 at 10:50 PM.
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Old 03-30-2014, 09:11 PM   #15
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stock tire size on 10 hole rims and the fan type on the gt's up until 91 when the pony rims came out was 225/60/15 the pony rims were 16 inch as we all know and stock size was 225/55/16
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Old 03-30-2014, 09:11 PM
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