‘09-‘11 vs ‘12+ coolant reservoirs

2011 Nismo#91

This. What temp issues are you having? There are really only one effective thing you can do without having to start cutting to reduce temps. Switch to water and an additive, I used Redline Waterwetter, it reduced it a few degrees. Next would be to change the radiator to something with a greater BTU output or cut/modify your bumper to increase airflow. I have serious doubts on how effective something like this is since a normal radiator already does this.

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Averying

No out of the ordinary temp issues. Saw the GK tech swirl kit but noted that some people say the install/extra lines in the tight engine bay are a pain. Seems like pressurized reservoirs are much better at self-bleeding whereas non-pressurized reservoirs retain more air in the system (from my limited research). Explains why the GK tech kit is worthwhile on the ‘09-‘11 cars, but I was just wondering the complexity/effectiveness of swapping to newer reservoir style instead of adding GK tech kit


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Tractionless

There's also installing an OE lower temp. thermostat P/N 21200-4W000 which lowered my 2010 all OE coolant system temp. 10*! Zero other cooling mods other than removing the weather stripping on the trays at the back of the hood to let heat escape.

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