What Coolant to go with? oil based? Water Based?
What Coolant to go with? oil based? Water Based?
So I've been reading tons of articles out there about going with "Oil based coolants" and "Water Based Coolants".
So far I've only ran a standard water based coolant, but considering running a Oil based coolant.
So pro's and cons!
Pro's on running a Oil Based coolant, it pulls heat out from the motor more efficiently, and could possible help the car from heat soaking at the track. it helps the
Con's... it attracts dirts and dust and would have to be changed more then a water based coolant.
Also, it can FREEZE! so if you live in a place that has sub-zero temperatures, this really wouldn't be an option for you.
Just wanted some feed back on what you guys think. Feed back from someone that actually runs on a oil based coolant would be awesome!
Thanks
-Brand0n
So far I've only ran a standard water based coolant, but considering running a Oil based coolant.
So pro's and cons!
Pro's on running a Oil Based coolant, it pulls heat out from the motor more efficiently, and could possible help the car from heat soaking at the track. it helps the
Con's... it attracts dirts and dust and would have to be changed more then a water based coolant.
Also, it can FREEZE! so if you live in a place that has sub-zero temperatures, this really wouldn't be an option for you.
Just wanted some feed back on what you guys think. Feed back from someone that actually runs on a oil based coolant would be awesome!
Thanks
-Brand0n
http://www.enginebuildermag.com/Arti..._coolants.aspx
I'm really just trying to get the best performance out of my car that i can, and i know a huge factor is HEAT! That's why a lot of guys wrap their header, dp, and even exhaust sometimes.
What im planning on doing is upgrading to a KoYo radiator and running a oil based coolant, and see how much cooler my motor runs at the track this summer.
I'll keep posting up articles i find here and there about this.
-Brandon
I have a couple friends that work for mazda speed, and in all the cars they build, they all run a oil based coolant.
They say it helps heat soaking by at least 30%.
-Brand0n
I'd be wary about running oil through parts meant for water (like the water pump). Also are you sure this would be better? Water makes a great coolant because it has such a high specific heat, do these oil coolants have better properties? It seems to me like the allure of running some oil-based coolant in a car is you could "safely" run it hotter, since it would have a higher boiling point.
Yea, i just hit up my buddy, and said later today he would shoot all the info to me about changing over the coolant.
I will for sure keep you guys posted on what exactly it takes to run a oil based coolant.
But that is a good point about running oil through a water pump and other parts, but I'll get all the details and post it.
I will for sure keep you guys posted on what exactly it takes to run a oil based coolant.
But that is a good point about running oil through a water pump and other parts, but I'll get all the details and post it.
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It wasnt an evo running the oil based coolant it was an rx7, I know two completely different cars, but that's why I posted up asking if anyone has ever switched over with their evo. I dont do a lot of racing, but just starting to really get into it, and just reading up on as much as I can.
Thanks!
-Brand0n
I'm somewhat skeptical of using oil in a cooling system. For one the oils that I'm aware of have lower thermal conductivity than water 0.15 watts/min opposed to 0.58 for water. Far as i'm aware machining oil/water lubes are there simply because they need both the lubrication for cutting and not so much the cooling of water.
I have seen purely oil based cooling system in some hydraulic tractors simply because it was more effective to use the one cooling system rather than two. The systems themselves are very large compared to motor/power ratio.
Here's a chart of conductivity for common substances including gold, aluminium, and wood among others.
http://www.engineeringtoolbox.com/th...ity-d_429.html
I have seen purely oil based cooling system in some hydraulic tractors simply because it was more effective to use the one cooling system rather than two. The systems themselves are very large compared to motor/power ratio.
Here's a chart of conductivity for common substances including gold, aluminium, and wood among others.
http://www.engineeringtoolbox.com/th...ity-d_429.html
There is that evans coolant stuff that I have seen guys use back in the days. It has a much higher thermal boiling. The downside to that is that now your stressing other components to a much higher coolant temp.
IMO if you can just run straight water, with maybe a little mix of an additive like redline water wetter for the corrosion protection. If your still having overheating issues then you might have other issues going on. What temps are you seeing through your coolant that are concerning you? I dont know what your vehicle setup is, but you might cause some issues if your intercooler is really thick as airflow cant get through as easily to your radiator-- something to consider, especially if it still has to go through the condenser.
IMO if you can just run straight water, with maybe a little mix of an additive like redline water wetter for the corrosion protection. If your still having overheating issues then you might have other issues going on. What temps are you seeing through your coolant that are concerning you? I dont know what your vehicle setup is, but you might cause some issues if your intercooler is really thick as airflow cant get through as easily to your radiator-- something to consider, especially if it still has to go through the condenser.
I run the regular coolant/water mix. I run a 60/40 mix. Water is what does the cooling, not the coolant. That just prevents it from freezing. I'm also not a fan of additives.




