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View Full Version : Rb25 Thermostat Recommendation

arlok
07-02-2013, 07:09 AM
Hey guys, researched but couldn't find the answer for my specific problem.

I have a s14 with series 1 rb25 with a big koyorad and flex-a-live dual eletric fans. The t-stat only opens when the temp reaches 210f and the fan opens only in 215f.. So i want it to run cooler so im buying a new t-stat but i don't know if i get the OEM one that opens on 169f or the nismo one the opens on 144f. Want to know what you guys use.

And also if i swap the t-stat how i make my eletric fans to turn on sooner? Can i do that by tweaking my powerfc?

Last thing is about the radiator cap.. should i change it to nismo 1.3cap?

Thank you
joelg4461
07-02-2013, 07:52 AM
If I were you, I'd get a new radiator cap, get an oem thermostat, and run your fans off an aftermarket fan controller. I have the nismo thermostat and my car is hard to get above 165 on many days. Plus the nismo t-stat is way overpriced these days.
fliprayzin240sx
07-02-2013, 08:01 AM
Nismo T-stat...RBs run hotter than other Nissan engines.
arlok
07-02-2013, 08:11 AM
If I were you, I'd get a new radiator cap, get an oem thermostat, and run your fans off an aftermarket fan controller. I have the nismo thermostat and my car is hard to get above 165 on many days. Plus the nismo t-stat is way overpriced these days.

Thx joel! But which radiator cap the 1.3 one?
I can get a new nismo t-stat for $69. So basically running the car cooler is always better right? Like its better running 165f rather 175f? The car will consume more fuel running cooler? My car is a weekend warrior with once in a month drift sessions so prob the nismo will be better.
arlok
07-02-2013, 08:17 AM
Nismo T-stat...RBs run hotter than other Nissan engines.

Thanks dude!
supersayianjim
07-02-2013, 10:52 AM
Thx joel! But which radiator cap the 1.3 one?
I can get a new nismo t-stat for $69. So basically running the car cooler is always better right? Like its better running 165f rather 175f? The car will consume more fuel running cooler? My car is a weekend warrior with once in a month drift sessions so prob the nismo will be better.


^^this is also a question id like an answer to
arlok
07-02-2013, 09:29 PM
Bump. Anyone?