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[tigers_gonads]

They are slightly firmer in general, but the main advantage for me is the lack of void holes. This removes the rather odd sensation of the standard rubber bushes that allows the rear axle to move over when turning Into a bend. Imo this is difficult to differentiate between a slide and body movement.

So poly give a lot more confidence and stability without undue harshness.

Only thing is to insure the smaller diameter central metal spacer in the bush itself doesn't disappear into the captive nut void in the body on tightening. Or it won't do up correctly.

Now that is the exact symptom of mine that I have hated since I bought the thing 2 years ago.
Tbh, I have always put it down to a mixture of 3 things ................ 17" wheels, LPG tank behind the axle and shagged springs / dampers but reading that has made me think again 
Wheels are the same but springs and shocks are new and when I took it for a play steady drive today, it was still felt unsteady at the back    I have had a poke around at the back before but other then the shagged shocks, I could never put my finger on it 
Is they a way to check without pulling things apart ?

[05omegav6]

Rear end on ramps, trolley jack under diff, raise diff 1/4" and undo the four bolts holding the rear subframe mounts... If the mounts stay put, you need new donuts, if the mounts are floppy or fall off, you need the mounts and donuts sorting

[tigers_gonads]

Rear end on ramps, trolley jack under diff, raise diff 1/4" and undo the four bolts holding the rear subframe mounts... If the mounts stay put, you need new donuts, if the mounts are floppy or fall off, you need the mounts and donuts sorting

Cheers Al, I think 
I daren't tell the missus
I've spent over 800 quid on this car since last September 
I'll be tigers gonadLESS if she ever adds up what i've spent 

[chrisgixer]

It will either be;

1, what I always wrongly refer to as the dif blocks (or mounts as Al says) these actually have nothing to do with the dif, but hold the rear of the subframe up. The bushes related to the dif never fail though so I think it's safe to call them dif blocks.
 These are the two U shaped bushes shown in the masters rear spring change guide. If the entire weight of the rear of the car has been jacked up via the rear dif, you can guarantee they will have suffered at least a partial separation or tear.

2, donuts, as said. If original, they will almost certainly be oppsed by now. Reach under and feel for the rubber bump stops from under the inboard edge of the triangular plate, and pull them sideways with your fingers, if the rubber breaks away, they are buggered.
 Even if new, it's the void holes that allow the movement. It's supposed to improve handling by allow the sideways force of the body to articulate the rear subframe, think four wheel steering, allowing the car to turn easier. But I hate the sensation personally.

[TheBoy]

I found the poly doughnuts a revelation, but TBH given that the old ones were shot to buggery....

[chrisgixer]

I found the poly doughnuts a revelation, but TBH given that the old ones were shot to buggery....

I remember fitting new ones to Rusty. I do I do.

[05omegav6]

I found the poly doughnuts a revelation, but TBH given that the old ones were shot to buggery....

I remember fitting new ones to Rusty. I do I do. I do.

There's an ABBA song about that

[chrisgixer]

I think your safe, prety sure he said he was over all that

[Kevin Wood]

I think your safe, prety sure he said he was over all that

Naah, that was the dangly pine things, wasn't it?

[05omegav6]

Thems too...

[humbucker]

Is there a handy OOF fitting guide for donut bushes?

[chrisgixer]

Same as the guide for the Oe ones . Except easier, as the poly ones just push in.

[humbucker]

Cheers Chris. No need for a DIY tool to force them home?

[chrisgixer]

Nope, not even a bat.


.....where would a diy tool come in anyway?

[tigers_gonads]

Okay, poly's it is then 

Best finish these front shocks and wishbones ect first though 

As always ............. cheers Lads