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| Hydrolastic displacers https://www.ausmini.com/forums/viewtopic.php?f=2&t=101838 |
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| Author: | eightfifty [ Wed May 10, 2023 5:11 pm ] |
| Post subject: | Hydrolastic displacers |
Dear Readers, With all the confusion and intermingling of topics in relation to discussions on hydrolastic displacers, I though it would be good to let you know that I have updated my tables of fitments (and thank you to the former poster who alerted me to the entry in the fine print in the blue workshop manual) and all this is available as an article on my web site. Also included is a discussion on the meaning of the terms "assembly" and "spring unit". https://leylandaustralia.com.au/index_h ... lacers.pdf Also in these articles, https://leylandaustralia.com.au/articles.htm there is a writeup of the operation of the hydrolastic pump including an exploded view which might help you when it comes time to refurbish your own pump. Many of you would have seen the hydrolastic pump seal kit which is available from Minisport. This is in fact something I provide them for retail sale and contains just about everything that needs to be replaced, including industrial quality seals (the impregnated vacuum pump seal costs over $100 on its own to give you some idea), balls, rings, etc. I used to be able to supply certified tested imperial high pressure nylon hose, but for the past few years there has been a shortage of this and it remains out of stock. When I had purchased a roll of 100m about five years ago, I thought this would last forever, but it soon went. Now, only black is available which is more or less useless for the application so the kits no longer have the tube until it resurfaces at the suppliers. Regards Tony |
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| Author: | Bill B [ Thu May 11, 2023 10:25 pm ] |
| Post subject: | Re: Hydrolastic displacers |
Appreciate your following this topic and assembling the table and background article. Just to add to the discussion, my early 1966 Mk1 S was fitted with these 'yellow' displacers, which were not meant to be in the car: I have tidied-up and repainted the units; the "21A1693" stencil is a copy of what was originally on the unit, which is listed in other sources as a Special Tuning item for "Rallying". The matching displacer was missing but the 2 rear units are in the photo: Attachment: Hydrolastic displacers 1966 S.jpg My point in commenting here is to suggest that while your present list of hydrolastic units covers those used in standard production runs, there are other displacers that owners might encounter (like mine and the red band circuit racing units) that are from Special Tuning catalogues. When you've finished doing that can you whip around and put the garbage bins out for pick-up? |
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| Author: | eightfifty [ Fri May 12, 2023 5:29 am ] |
| Post subject: | Re: Hydrolastic displacers |
Special Tuning products were supplied by the Parts and Accessories Division. Special Tuning kits and parts were mostly developed in Abingdon. Those displacers of yours could have been factory fitted in the same way as accessories like sun visors, mirrors etc would have been fitted depending on customer order. For UK spec hydrolastic displacers, there are in fact 14 different part numbers each with varying rubber composition and damper characteristics. If anyone would like precise details of a non standard unit they are welcome to contact me directly. regards, Tony |
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