I just ordered the M2C shock caps and I am wondering what shock fluid weight to use? 
Kraton M2C ZRS shock caps/ fluid question. 🤔
- Thread starter Jeremy15086
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There is such a wide range of uses for these vehicles so who knows. But those valves make the fluid act way stiffer in a certain direction. So I find it nicer will a bit less then stock.
My car is 2000cst stock (talion) and I would like to run 1500, which i can't find. At the track I use even less.
My car is 2000cst stock (talion) and I would like to run 1500, which i can't find. At the track I use even less.
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I've read on the forum these were developed on 1000cst shocks (kraton etc). If using them on a talion say you may need to lighten up the fluid.
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Found the 2,000 in a Talion a bit high, the suspension would barely rebound lol
Vulthraxis
Active Member
Just put stock fluid in till you want to make a change 1000cst from kraton 6s the only change it makes if giving you a bleeder valve and stronger mounting point.
So there should be no need to change fluid types as there is no internal valving change in them.
So there should be no need to change fluid types as there is no internal valving change in them.
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Valves did change on my set. Really fancy ones too. Maybe we're talking different items.
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They have really fancy valves that rebound actually goes through a special hole and it pushes the o-ring against the outer shock body causing additional resistance,but only during rebound
This stops the Rigg from bouncing on landing. Now my rigg jumps, lands, and sticks to the ground.
Just amazing really!
You should go with -500 cSt or so when using the M2C pistons. I think I'm running mine with 700 in the heavy beef slab Typhon and 1200 in the lighter, more stock-ish Kraton. The shocks will react differently, the whole damping curve is being changed. If you want to try heavier oil weights, that's cool, but have some light weight oil on hand for when your heavy oil trial fails completely. It will not feel like stock ever again, it will be better or worse depending on what you decide to do about oil weight.
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Pretty sure I'm at 50w or 710cst right now on the Talion and getting great results on the track.
Hard to tell any difference in the street because there is no way to really measure performance
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My biggest complaint about the emulsion shocks and the LSD diffs (in terms of track use) is the fluid changes viscosity until it's aireated and emulsified so the first few laps the car runs totally different until the shocks and diffs are "set", then they run how they are supposed to for the rest of the session - and it drives great!
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Mainly depends on how stiff you keep your springs. If the shocks rebound too quickly, use heavier shock oil. If they don't rebound fast enough go lighter.
Vulthraxis
Active Member
Yeah we were talking about different items I was thinking of https://m2cracing.net/arrma/494-m2c-3074-arrma-6s-16mm-replacement-shock-caps.html not the hole set sorry.
It looks like stock was 8hole 1.4mm plates and they wants to a 1.5mm rear with a 1.3mm front both 8 hole giving a stiffer front and softer rear so I would say go up 1 weight in rear and down one in front from what you would see for the norm with the stock set.
But I'm not 100% of if stock is 6 or 8 hole as https://www.arrma-rc.com/en/product/shock-piston-set-2/ARAC8972.html is the set but listed as 6 hole in text and is 8 hole in photo.
I know my talion is 8 hole and uses same set but is a shorter shock length have not messed with the ones on my kraton yet as it has not broken any thing but rod ends and I mostly let the kids bash it on 13t pinion running 3s so even if the crash it they can't really brake it.
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