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MG MG Y Type - YB Front Shock absorbers Dampers

Hi all,
I am in need of a pair of Girling PVA6X front shock absorbers/dampers. Mine were rebuilt back in 1996 and I feel that they are now getting tired. I have checked the oil regularly and there are no leaks, but as I have done 25000 miles, I would prefer to have them refurbished.
However I do not want the car off the road, so am looking for a second pair which I will have rebuilt and can then attend to the ones on the car.
Has anybody in the UK got a pair, rebuilt or in need of rebuilding, they are prepared to let go for an appropriate consideration.
Hopefully, Keith
Keith D Herkes

Arent they same as TD Keith? Dont know.
Paul Barrow

Keith
An alternative, these were fitted to the YA I used to own.
Peter


Peter Vielvoye

Thanks Peter.
I think I have seen this set-up elsewhere, but I really want to keep her as original. Good picture for anybody who wants to go down this route.
Cheers, Keith
Keith D Herkes

Hi,
Y (YA) and YB S/As are not interchangeble
the mounting hole position is different as is the cross member mounting. Top up with fluid opening bolt is tiny on Ya massive cap on YB
Try "Vintage And Classic Absorbers " Croyden.
, 02086515347
John YB0362
JC Jebb


Thanks John.
Graham at Vintage & Classic will only refurb customers own units as he has nothing on the shelf as this time. Thanks anyhow. Keith
Keith D Herkes

The YB shock absorber should be the same as the TD Girling (they had Armstrongs, too)

Maybe MGA shock absorbers can be used as a temporary solution?

Here are some interesting links to TD related shock absorbers pages.

http://www.nosimport.com/index.php?route=product/product&product_id=1282

http://www.mg-cars.info/mgtd-mgtf1500-bbs/using-mg-b-shockers-2016110119522527777.htm

https://www.ukmgparts.com/product/td-midcat-2-subtd11-front-suspension/swivel-pin-link-set-td-tf-to-fit-mgb-shocks-atb4218-9sp

https://www.mgexp.com/article/mgtd-front-disc-brake-modification.html
Willem van der Veer

Hi Willem,
Thanks for your work to find these links. Makes interesting reading and reference for the future if needed.
In the meantime I shall wait and see if I can get a spare pair of original type Girling dampers and hopefully complete the job during the Winter months.
Keith D Herkes

There is also an article on Hints and Tips about rebuilding them at http://www.mg-cars.org.uk/imgytr/hints&tips.shtml#Luvax

Paul
Paul Barrow

The PVA6x is a development of the Luvax -Girling and has different internals which include inner plugs and metering pins and valves. This means that in theory they can be adjusted to give a different ride.
However, adjustment is hit and miss without a proper Manual.
If anybody has a Girling Manual for these PVA6 dampers, it would be very helpful to obtain a copy, both for myself and the website.
Can anybody help?
Keith
Keith D Herkes

Just to clarify which Dampers I am looking for the following images will hopefully help.
Thanks
keith


Keith D Herkes

Pic No2
Thanks. Keith


Keith D Herkes

Hi Keith, I checked the dampers I have last evening. They are not the same as yours, sorry.
Peter

P S Sharp

Thanks Peter.
These are the Luvax Girling for the YA/YT.
Keith
Keith D Herkes

I have found this interesting write up from Motor Sport magazine.

Girling

In 1945 Girling Ltd. took over the manufacture of the Luvax damper, moving the plant from Acton to Grange Works, Cwmbran. With the Luvax background, and by intense research on the part of their own engineers, Girling produced a range of hydraulic suspension dampers capable of withstanding the severe road conditions encountered overseas and providing non-fade damping for long periods, at high temperatures, when used on racing and high-performance cars. The remarkable revival of motor racing was foreseen and a Racing Department was established, offering technical advice and servicing facilities to competitors at home and on the Continent. This competition service is continued, under the supervision of Girling's Competitions' Manager, Mr. C. E. Russell.

The Project Engineer, Mr. C. R. Stock, and the Chief Engineer, Mr. J. W. Kinchin, recently read an informative paper on Shock-Absorbers before the I.of Mech.E.

The present range of Girling dampers comprises their telescopic type and their piston-type dampers with single and double arms. Vane-type hydraulic dampers are still supplied as service-units on pre-war cars. The piston-type range consists of the types P, PR, PV, PVA and PVX. The P-type is the original version, providing dual action, a pre-set "bleed" taking care of small oscillations and h.p. relief valves the violent movements. Shim-type valves are used, satisfactory but sensitive to dirt. The PR-type is similar but has an additional recuperating chamber which ensures quick valve operation, absence of frothing and rapid recuperation at extreme temperatures and speeds. The PV is the latest development in Girling piston dampers. A c.i. body contains two pistons of the same material, linked flexibly together and actuated by a hardened-steel rocker-arm bearing on hardened-steel pauls. The recuperation valves obviate flexing shims and the h.p. relief valves are in a separate chamber and easily adjusted for accurate control of pressure. They are far less susceptible to dirt and at the highest speeds immediate fillings of each working chamber is assured. Spring connectors take-up wear between pistons and rocker, and cylinder-scaling is by steel plugs screwed into soft alloy discs. The PVA is similar but of larger bore. The PVAX and PVX dampers are similar to the PV and PVA internally but employ double-ended rocker shafts to accommodate wishbone linkage for use with i.f.s. systems. As greater stresses are taken by the body-casting this is sturdier and has four, instead of two, fixing holes.

The number following the type-letter signifies the size of the damper and further numbers—PVA 7/102— indicate the valve and bleed-settings (but not the pressures or timing employed). Obviously, this is not the place in which to describe the various settings available, but the Girling Technical Department can fully advise Motor Sport readers in this respect. The range of Girling piston-type dampers is as follows (the price, each, less linkages, is shown in brackets):


Hope this may be of interest


Royston
R T LLOYD

Thanks Royston,
Very interesting. I will try and research those 'bleed-settings' further.
Keith
Keith D Herkes

This thread was discussed between 13/07/2018 and 03/08/2018

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