AntonUK
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| posted on 3/5/16 at 07:47 PM |
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Coil Over Oil / Fluid
Hi All,
I need to re-fill my spax trax shocks after replacing an oil seal.
What oil should I be using?
Regards
Anthony
Build Photos Here
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Bluemoon
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| posted on 3/5/16 at 08:15 PM |
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No idea, at a guess only spax know and would not tell you... Might need to take to the manufacture, the viscosity is critical and with out knowing
that the oil you use will give diffrent damping, the materials used would also need to be compatible with the oil...
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hizzi
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| posted on 3/5/16 at 08:25 PM |
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you can buy shock oil from many motorsport suppliers wether its the same grade as you removed is another story, the harder problem is how much to put
in.
you would need to do both sides with the same oils and same quantities to balance out, then you might need to adjust your dampers afterwards.
if you only opened one side then you could open the other and measure the quantity.
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AntonUK
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| posted on 3/5/16 at 08:44 PM |
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quote:
Originally posted by hizzi
you can buy shock oil from many motorsport suppliers wether its the same grade as you removed is another story, the harder problem is how much to put
in.
you would need to do both sides with the same oils and same quantities to balance out, then you might need to adjust your dampers afterwards.
if you only opened one side then you could open the other and measure the quantity.
Yeah thats the plan as the other side is fine. So will measure the oil volume of the good one and replicate in the repaired one. Will obviously
replace the fluid in the good one too.
Build Photos Here
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phelpsa
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| posted on 3/5/16 at 09:27 PM |
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99% sure this is what protech use
http://www.opieoils.co.uk/pv-1054-silkolene-rsf-10-racing-suspension-fluid-1-litre.aspx?gclid=CLuc_qXsvswCFZEK0wodpKwO0g
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Shooter63
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| posted on 3/5/16 at 10:15 PM |
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quote:
Originally posted by phelpsa
99% sure this is what protech use
http://www.opieoils.co.uk/pv-1054-silkolene-rsf-10-racing-suspension-fluid-1-litre.aspx?gclid=CLuc_qXsvswCFZEK0wodpKwO0g
I'm pretty sure your right, when I got my dampers from procomp ( protech) I had a good chat with them, I knew that they weren't a fan of
the inboard suspension due to the heat from the rad pissing down ( their term) the oil, so they use the lowest viscosity possible and valve to
suit.
Shooter
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AntonUK
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| posted on 4/5/16 at 07:55 AM |
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Thanks all, have ordered some.
Next job is to find the shaft seal and this little project can commence.
Build Photos Here
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Neville Jones
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| posted on 5/5/16 at 07:33 AM |
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Hydraulic oil is formulated to do much the same as shock oil. You buy what's on the container by name, even though the same thing might be
branded and marked for many different purposes.
The last time I was at a certain shock company in Melksham, there was a 200L drum of Fuchs 10/40 sitting outside, just delivered....
The beauty of hydraulic oil is that it is easily obtained, and in many different viscosities, so changing shock characteristics and range is a simple
oil change. The hydraulic oil has the added lubricant ingredients to stop foaming as well. When I did some work with a rally team, the shock oil they
were given looked and felt and smelt suspiciously like ATF, a very thin hydraulic oil by any other name.
Cheers,
Nev.
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