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Hi all
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<div>There are a couple of other options in terms of lever arm dampers and also I need to sling in a note of caution on filling them up with thicker oil.</div>
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<div>Firstly on other options, Armstrong also made a twin valve adjustable DAS10 lever arm damper. These are more or less a straight bolt on with a little bit of relieving of the bracket on the 4a, more or less the same on the 250/5/6 but not don’t that for
a long time. You can find them from time to time on eBay but they are fairly expensive (circa £700 for a decent pair) but they do give you 24 position adjustment via a big knurled knob on the side (which is why you need to relieve the mounting a bit. Totally
period and legal for regulations including FIA if that’s relevant.</div>
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<div>It’s a different. Deal for the TR4 (and earlier cars) in the the smaller DAS9 was used, but you can also get twin valve and twin valve adjustables in that size which again are either a straight bolt on or with the adjustable you need to notch the chassis
leg to accommodate the knob. The four factory rally TR4’s (what we call 3VC, 4VC, 5VC and 6VC) all use DAS10 rear shocks and custom mounts on the chassis, so that can also be done.</div>
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<div>Secondly, on oil you can use thicker oil but firstly it degrades over time like any other oil and the hotter it gets, the faster this happens. Usually the thicker the oil, the more heat the piston in the shock develops and the hotter the whole thing gets,
the more pressure there is inside until either the seals blow or the piston sticks and holes the casing. Been there and done that, so my advice would be not to go mad. 20/50 engine oil or gearbox oil is definitely a no no.</div>
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<div>Best to all</div>
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<div>Tony</div>
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<div dir="ltr">Sent from my iPad</div>
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On 19 Jan 2021, at 11:47, Robert Lang via Fot <fot@autox.team.net> wrote:<br>
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<div dir="ltr" data-setdir="false">One quick tip - the quality of the stock shock links available now is okay, but they won't stand up to a lot of abuse. I get maybe 3 seasons' use before they start to fail.</div>
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<div dir="ltr" data-setdir="false">I switched to the Goodparts rose-joint version last year or the year before and they hold up much better. I would argue that they are worth every penny.</div>
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<div dir="ltr" data-setdir="false">Regards,</div>
<div dir="ltr" data-setdir="false">Bob Lang<br>
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<div>On Monday, January 18, 2021, 6:08:24 PM EST, Dave Connitt via Fot <fot@autox.team.net> wrote:
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<div dir="ltr">Say,<br>
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<div dir="ltr">I just wanted to say “thanks” to all that responded to my question in rear lever vs. tube shocks. At least now I understand the trade offs better.<br>
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<div dir="ltr">This is a great group! I am going try changing the shock oil to something thicker first but I am going to stay with lever shocks for sure.<br>
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<div dir="ltr">Now we just need some decent temperatures..<br>
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<div dir="ltr">Regards,<br>
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<div dir="ltr">Dave Connitt<br>
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<div dir="ltr">Sent from my iPhone<br>
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