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Re: Spring & Dampers
Posted: Thu May 22, 2014 12:10 am
by Westfield 129
No special tools needed. You can do the replacement with a bench vice if you don't have a press, with a couple of deep sockets in less than 30 minutes, not counting the time it takes to remove the suspension arms. And if you do have a press, again, a couple of deep sockets (one to press, the other to receive the old bushing) will do the job without any special tools at all.
Remove only one arm at a time, and it will be easier to re install them. Give yourself an hour to R&R the arms and bushings.
Re: Spring & Dampers
Posted: Thu May 22, 2014 9:58 am
by Splat
So, to answer your question, Jon. If all you're doing is rebushing the rear, with a hydraulic press and a suitably turned down die, and new nuts and bolts to hand, an hour or two.
If you only order new nuts and bolts as you go along, don't have a press, drop off the pieces at your local race shop the day before they're burgled and then decide to strip and repaint all of the suspension components and chassis, fit long-travel shocks, rebuild the diff and re-engineer the handbrake mechanism, with a skiing holiday and a house flooding and a full-time short-haul job to hinder and delay, about three and a half months (although that was both ends).
Re: Spring & Dampers
Posted: Thu May 22, 2014 10:37 pm
by jonclancy
So pretty quick using my timescale.
Ace!
I've got a small drivetrain clonk that I suspect may be cause by 3500 mile bushes.
Re: Spring & Dampers
Posted: Thu May 22, 2014 11:07 pm
by Westfield 129
You don't even need a vice You can use two long sockets and a bolt to draw out the old bush.
You can also check for your clunk by opening up the rear clamshell, sticking the thing in 1st gear, and rocking it back and forth by rocking it by the tire. If the bushings are loose, you will see the nose of the diff case bob up and down, and you will hear the "clunk".
Then, if you look at the attach points at the axle and the chassis, you will see the movement between the axle and the trailing arm or the bolt within the arm.
With the early cars, you may see the bolts moving at the chassis end of the arms if they are a little loose. Tightening them slightly will take out this fore/aft movement of the bolts (but wont help if the center element of the bushing is rattling around on torn rubber).
Pretty easy stuff to check.
Re: Spring & Dampers
Posted: Fri May 23, 2014 3:15 pm
by jonclancy
Great advice - thanks. I'll give that a whirl.

Re: Spring & Dampers
Posted: Thu Mar 09, 2017 3:44 pm
by Splat
With longer shocks fitted, the rear floor needs cutting to accommodate the differential housing and handbrake mechanism. Here's my take on the required hole.
(The absolutely eagle-eyed may think that the handbrake balance-mechanism bracket looks a little short? It's actually bent! Fifty-year-old bent sheet-metal, with a pre-introduced crease (have a look at yours to see what I mean) constantly being pulled on by the handbrake cable. I noticed it a couple of days ago when I put the car up on stands to start playing around with 15" wheels. My spare bracket is painted up, ready to fit!)
Re: Spring & Dampers
Posted: Fri Mar 10, 2017 5:55 pm
by Splat
A couple of photographs pertinent to the fitting of 14" rear shocks. At full droop, the rear axle will be a little over 1/2" above the chassis rails and the bolt for the lower trailing arm, at the axle end has to be inserted "backwards" (with the head inboard). Clearance oof this bolt head to the chassis rails is only a millimetre or so each side! But in 3000 miles with this set up, the bolts are yet to foul the chassis. (Admittedly, the rear axle is rarely at full droop on the road!)
The second photo shows how much of the drive-train and handbrake mechanism protroods through the chassis floor at full droop.
Re: Spring & Dampers
Posted: Fri Mar 10, 2017 5:57 pm
by Splat
As for the failed handbrake balance-mechanism bracket.....
Re: Spring & Dampers
Posted: Fri Mar 10, 2017 10:47 pm
by Westfield 129
I turn the bolt heads down to clear the chassis at full droop. A few mm does it.
Make sure that you center the axle with the panhard rod length adjustment with the chassis at the correct ride height with the car laden (driver installed).
Re: Spring & Dampers
Posted: Tue Oct 13, 2026 11:26 am
by Doger
I've decided to replace the AVO dampers on my car after discovering that the front dampers are approximately 40 mm too long, leaving very little compression travel at normal ride height.
The 12.5" front damper length mentioned in the older discussions here seems to be exactly what I need.
However, the rear suspension on my 1982 Eleven is different from the later cars. As you can see in the photo, the rear dampers have a threaded stud mounting at the top, passing through a hole in the chassis bracket, rather than an eye mounting with a through-bolt. The lower mounting is a conventional eye.
I'm now looking at ordering a set of Protech dampers, but I'm unsure about the correct rear damper length for this early mounting arrangement.
Has anyone come across this early rear suspension setup, or does anyone happen to know the original damper dimensions used with these stud mountings?
Any information would be much appreciated!