Oil Cooler block off foam
 

After installing Greddy Oil cooler I can immediately see how effective it is. However, I bought it for track use and drifting, not for daily driving. After looking at the foam inserts that go between the cooler core and the shroud I got an idea of putting a piece of foam inside the shroud for daily driving. Since the cooler gets quite hot, what type of foam should I use?

I can see a lot of upholstery or packaging grade foam that comes in large pieces so it could be easily cut to fit inside the shroud, but is it safe to use near the cooler core or I should use some high temperature foam?

TBH I go the lazy route and just zip tie a piece to the grille to block direct airflow. It looks dumb but I don't care. That way I don't have to worry about temp melting it from direct contact with the cooler. It is really only on there for part of the year, once we start averaging over 60-65f I don't really worry about it too much and don't cover it.

That would be my second option. However getting a foam piece would be ideal will look clean.

Could you use a rubber sheet? EPDM rubber sheets can be bought on amazon and would be fine. Neoprene would also work.

https://www.amazon.com/Non-Adhesive-...540219&sr=8-10

Yep, something like that, thanks! Since it's quite thin and it's a foam it shouldn't be too hard to get it in and out through the 2017+ grille.

Whatever you stuff within the shroud, unless it's fastened to the end, will end up being pushed by air pressure into the radiator. Last thing you want is to have it melt all over rendering it useless.

Neoprene is good to 275F, EPDM is good to 300F+. Unless it hits the exhaust it should be fine.

Consider a thermostat kit long term. Mishimoto offers a thermostatic oil cooler, not sure if the thermostat parts themselves are available

Looking at their kit, I can't tell where the thermostat part is. I'd suspect it is the bit that mounts to the filter mount. I can find kits with them, but cannot find that part as a one off. That's what you need, then you never have to worry at all.

Back in the day, we used a piece of cardboard - :iono:

There are a ton of materials that will suffice, I was merely generally cautioning against throwing in random objects. Unfortunately a lot of people have no idea what material properties are or what they actually mean.

Oh, I gotcha.


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The GReddy kit comes with a thermostatic plate, no? It seems that for the most part we are reading oil temps post cooler so the internal oil temp can be 15-20F degrees warmer. Aside from winter there may not be anything to worry about.

Kits with a thermostatic plate still trickle a small flow of oil through the system. I’ve posted in other threads about driving 3 hours in 52f weather and still not getting my oil temp above 140f.


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I use a 2mm thick peice of black corflute with 2 velcro tabs fixed with 3m double sided tape. The corflute has creases so it folds and slides through the grill. Regardless of where the temp is read it was read there before the oil cooler install. So with the cover I`m seeing standard oil temps for daily use now. My SP is thermostatic.