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Suspension Rebuild
Hello - Need some advice on rebuilding suspensions - front and rear. Have a 69 AMX that has never had the suspension touched in last 31 years. (Yes - I have negelected it in this and many other ways). I know you can get new bushings, etc. What beyond that is recommended? I've read about the dangers of years old trunions and other parts. What exactly should I replace - details please - to be sure this is a safe driver? Any recommendations as to parts sources will also be appreciated. Thanks and glad to be a new member of the forum.
Last edited by bluer343; 02-24-2005 at 04:38 PM.
bluer343
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What's it need? In the rear there's springs, spring eye bushings, torque links, and shocks. I'd stay with rubber bushings. KYB shocks are your best bet for a '68 or '69.
In the front there's tie rods, lower ball joints, trunnions, sway bay end links, strut rod bushings, u/l control arm bushings and pitman arm. Kanter did have front end rebuild kits for the AMX, you'll need to call them to see what's available. Original, correct trunnion bearings are hard to find, Kanter did not have them.
Install a Gymkhana Suspension from AMX Enterprises:
http://www.amx-perience.com/amx_ente..._catalog_p.htm
A couple of sources you can try are:
Rare Parts Inc.
http://www.rareparts.com/
209-948-6005 / 800-621-2005
Kanter Auto Products
http://www.kanter.com/
800-526-1096
76 Monroe St
Boonton, NJ 07005 USA
973.334.9575
For springs try: http://www.espo.com/ or EATON Detroit Spring at http://www.eatonsprings.com/
For shocks try http://www.summitracing.com/
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Thanks BBAMX - I checked out the Kanter and Rare Parts sites.
Kanter does have a rebuild kit with trunions it says. You mention trunion bearings. These are replaceable? I thought I read in the TSM that the trunion had to be replace as unit? Or am I misunderstanding?
Rare Parts seemed to have everything including trunions and maybe more but not in a kit form.
Seemed to be pretty wide variance in price between the two. Any feel for one or the other quality/service wise?
I don't know that the springs front or rear need replacing...or do they? After 30 years and no maintenance I just as soon replace anything that might possibly need it. I know I'm sagging a lot more than I was in 1969.
Why specify rubber bushings? What's the difference/advantage over the polyurethane (?) ones?
bluer343
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The Trunnion bearing sits under the trunnion and is therefore replaceable, if you can find them.
No preference on Kanter or Rare Parts for service or quality.
You'll find the ride quality is much better with rubber bushings, the poly bushings have a tendency to transfer vibration and squeak.
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BBAMX -
About the trunnion bearings. If you buy new trunnions do the bearings come with them? I see trunnion bearing kits at California Classic AMX and American Parts depot among others. Am I understanding that I need to purchase bearing kits as well?
I have an AMC parts catalog and the illustrated supplement. Can you point me to the part number for the bearing so I can get a feel for location and better understand what you are telling me. I'm a long time owner but no mechanic - yet.
Thanks!
bluer343
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Originally Posted by bluer343
I don't know that the springs front or rear need replacing...or do they? After 30 years and no maintenance I just as soon replace anything that might possibly need it. I know I'm sagging a lot more than I was in 1969.
I wouldn't say springs go bad, it's more an issue of ride height than anything else. The rear on my AMX is sagging too, I will replace them rather than re-arch them though. If it's sagging now would be the time to replace them, front and rear.
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Originally Posted by bluer343
BBAMX -
About the trunnion bearings. If you buy new trunnions do the bearings come with them? I see trunnion bearing kits at California Classic AMX and American Parts depot among others. Am I understanding that I need to purchase bearing kits as well?
I have an AMC parts catalog and the illustrated supplement. Can you point me to the part number for the bearing so I can get a feel for location and better understand what you are telling me. I'm a long time owner but no mechanic - yet.
Thanks!
I doubt that the bearings will come with new trunnions, you'll need to ask the individual vendors what they offer in their kits.
Keep in mind CCA only carries NOS parts so they may differ in price and availability to replacement pieces, part numbers will probably differ too. NOS trunnion bearings are extremely scarce. I don't have the AM part number you're asking for. If you call Tony at CCA I'm sure he'll be happy to look up the number for you.
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Originally Posted by Big Bad AMX
I doubt that the bearings will come with new trunnions, you'll need to ask the individual vendors what they offer in their kits.
Keep in mind CCA only carries NOS parts so they may differ in price and availability to replacement pieces, part numbers will probably differ too. NOS trunnion bearings are extremely scarce. I don't have the AM part number you're asking for. If you call Tony at CCA I'm sure he'll be happy to look up the number for you.
Sorry this is turning into 20 questions, but it is very helpful exchange. You mention NOS replacement trunnion bearings above and and in one of your earlier responses you also referred to "original correct trunnion bearings". Are there replacement correct bearings available that can be safely used in lieu of NOS/correct ones? I've seen a couple of sites that offer trunnion bearing kits but don't indicate NOS or replacement one way or the other. Thanks again for your help and patience!
bluer343
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Originally Posted by bluer343
Sorry this is turning into 20 questions, but it is very helpful exchange. You mention NOS replacement trunnion bearings above and and in one of your earlier responses you also referred to "original correct trunnion bearings". Are there replacement correct bearings available that can be safely used in lieu of NOS/correct ones? I've seen a couple of sites that offer trunnion bearing kits but don't indicate NOS or replacement one way or the other. Thanks again for your help and patience!
Ask away, that's what we're here for.
There are replacement bearings available. You'll get different answers as to how good they are - or aren't. The trunnion bearings support a lot of weight up front and are a specialized bearing. There are replacement bearings that will fit but how well they hold up under the stresses and pressures of the application is questionable. Personally, I would not put them on my car. I would try to find NOS ones.
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Edelbrock Shocks vs KYB
I am debating to install edelbrock shocks into my 69 AMX.
I heard alot of good about KYB.
Has anyone heard or had experience with the new edelbrock?
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