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Cooling System For R34 .... What To Do? Twin Thermos In A R34?

DRFT31

By DRFT31,
in Engines & Forced Induction

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DRFT31 Experienced

DRFT31

Posted
Posted (edited)

Hey guys,

Well it comes the time, when we had to trim my clutch fan to make room for the cooler piping, and now ive noticed the temp go up slighty not too much tough. Ive decided to put twin thermos from a AU in, and would like peoples susgestions, ive looked on the forums and overall people are happy with thermo fans, but i would like to know what the best would be for a r34 rb25det neo6 engine. Has anyone done it and has it fit? what are the downsides.

BTW when the air con is on the temp jumps threw the roof i need this fixed guys!!! please help me out.

Cheers guys! any one who has done it to a r34 i would really like to hear from you ;)

Edited by DRFT31
infected flow Rising Star

infected flow

Posted
Posted
Hey guys,

Well it comes the time, when we had to trim my clutch fan to make room for the cooler piping, and now ive noticed the temp go up slighty not too much tough. Ive decided to put twin thermos from a AU in, and would like peoples susgestions, ive looked on the forums and overall people are happy with thermo fans, but i would like to know what the best would be for a r34 rb25det neo6 engine. Has anyone done it and has it fit? what are the downsides.

Cheers guys! any one who has done it to a r34 i would really like to hear from you :D

i honestly think your wasting your time with twin thermo fan setup ...

my first suggestion would be to get your original radiator modified to twin core for $350 or less and then if that aint enough i would get a low temp thermostat and you shouldnt have any troubles even on track days....

cheers

DRFT31 Experienced

DRFT31

Posted
  • Author
Posted
i honestly think your wasting your time with twin thermo fan setup ...

my first suggestion would be to get your original radiator modified to twin core for $350 or less and then if that aint enough i would get a low temp thermostat and you shouldnt have any troubles even on track days....

cheers

What would keep it cooler, i just need it to be cooler. Any options guys? Need to know asap. Thanks!

Anyone did the setup to a r34 or r33 what you guys think?

DRFT31 Experienced

DRFT31

Posted
  • Author
Posted (edited)

Bummmmmmmppppp common guys i need answers! :P getting the car tunned in 2days dont want to boost it with this cooling system.

HELP HELP HELP HELP!!! :(

Edited by DRFT31
DRFT31 Experienced

DRFT31

Posted
  • Author
Posted

Bump common guys i need some help :happy: What would you guys perfer one big 16inch thermo or two twins? or even just keep the clutch fan with a small thermo........................

Please any suggestions guys! cheers!

ISNT THERE ANYONE OUT THERE WHO HAS DID THIS or somthing similiar lol.

boot_it Enthusiast

boot_it

Posted
Posted
Bump common guys i need some help :happy: What would you guys perfer one big 16inch thermo or two twins? or even just keep the clutch fan with a small thermo........................

Please any suggestions guys! cheers!

ISNT THERE ANYONE OUT THERE WHO HAS DID THIS or somthing similiar lol.

i do lots of rb conversions into silvias and i use 2 12in davis craig fans on a r32 gtst radiator and i have never had any overheating problems

i have then hooked up on a custom thermo fan relays with a custom thermo switch (which btw plugs straight in to the r32 overtemp thermo switch ) the thermos are switched on at 85.c

shnaped_second Mentor

shnaped_second

Posted
Posted

A low temp thermostat should fix your prob at the moment, i went two 12" davis craig fans on my 180 with a temp switch and for all the effort and money i should have just kept the clutch fan with a low temp thermostat.

My 2c

boot_it Enthusiast

boot_it

Posted
Posted
A low temp thermostat should fix your prob at the moment, i went two 12" davis craig fans on my 180 with a temp switch and for all the effort and money i should have just kept the clutch fan with a low temp thermostat.

My 2c

how much lower of a thermostat did u go as the factory ones open up at 76.c

sky20det Enthusiast

sky20det

Posted
Posted

i would like to know about this also. after installing my fmic on a bit of an angle and moving my horns up to the only place catching cold air for the radiator the car sometimes heats up a bit when its hot.

my clutch fan still seems ok and ive replaced the thermostat with a standard one.

which thermostat is lower in temp and suits the r32? i used the one listed for the rb30 r31 skyline one.

satanic Grand Master

satanic

Posted
Posted

Before we all go suggesting to this person a low temp thermostat... I think someone should outline the negatives of getting one installed as well.

I have one from ARC; yet to put it in because I've heard it has negative aspects which is not ideal for street applications.

infected flow Rising Star

infected flow

Posted
Posted
Before we all go suggesting to this person a low temp thermostat... I think someone should outline the negatives of getting one installed as well.

I have one from ARC; yet to put it in because I've heard it has negative aspects which is not ideal for street applications.

well give the negatives and im sure ill answer any questions that i can...

cheers

infected flow Rising Star

infected flow

Posted
Posted
Can't remember all of them but one of them was longer warm up times???

well thats actually wrong because it doesnt open up untill it get's to that temp so when it get to 65 or 70 depends which thermostat u get then it will open up fully ...eg: your stuck at lights your temp goes up and then your thermo opens up to cool the engine..warm up is not an issue as the car just sits there and warms up pretty fast .. but i suggest u do your radiator first and then go from there..

cheers

salival Enthusiast

salival

Posted
Posted

Hi, I work for a radiator shop in New Zealand, We do cleanouts/alloy race rads/oil coolers etc.. (I manufacture race rads/intercoolers)

I would recommend getting your radiator rodded out (cleaned out) and a new top tank put on. I can't say if this will fix your temp problem, but go to the most obvious problem first, maybe your radiator is actually blocked..

I've pulled apart 2000 model cars and they have been as blocked as they can be..

Just a thought.

infected flow Rising Star

infected flow

Posted
Posted
Hi, I work for a radiator shop in New Zealand, We do cleanouts/alloy race rads/oil coolers etc.. (I manufacture race rads/intercoolers)

I would recommend getting your radiator rodded out (cleaned out) and a new top tank put on. I can't say if this will fix your temp problem, but go to the most obvious problem first, maybe your radiator is actually blocked..

I've pulled apart 2000 model cars and they have been as blocked as they can be..

Just a thought.

i agree you....yay some progress

radiator first!

Abo Bob Grand Master

Abo Bob

Posted
Posted

I don't think a low temp thermostat will help much. It might delay the overheating slightly but it's inevitible. Your radiator and fans as they are can only do so much cooling.

I would replace the radiator if I was you but if you want to go thermo then go for one 16" rather than two 12". It pulls a lot more air. Supercrap have them for about $90 at the moment. Dunno how good they are though.

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