Radiator Differences?

[NewKleer]

Hi,

im looking for a replacement radiator (see here if u happen to have one) as i think my current one has blown (car overheated and it was leaking coolant), my problem is though im not 100% sure what radiator i currently have, and i dont know how to check.

here are some pics with radiator in it if it helps determine what radiator i have. and more to the point, are there any major differences between the r32 and r33 (gts-t and gtr) radiators?

pics:

http://irg.ausgamers.com/silvia/engine1.jpg

http://irg.ausgamers.com/silvia/engine3.jpg

http://irg.ausgamers.com/silvia/elecfans1.jpg

thanks in advance for any help

[NewKleer]

anyone know?

the radiator had this on the top, if it helps:

Nissan NICHI-RA

PAT-APP 48-86457

[Silver-Arrowz]

For the R32's I think the radiators were the same with gtst and gtr. But I do know that there is a difference between the R32 and R33 gtr radiators.

[Cubes]

Looks like an RB20DET radiator.

The R33 and R32 GTST radiators are almost identical.

Also.. I've had the same setup as yours (2 x 12" Thermo's) and it would overheat on warmish days with the A/C on. It took a while but it would overheat eventually.

Even though it appeard to be at operating temp it used to often spit out coolant.

I removed the 2 thermo's and slaped the origional clutch fan on and overheating and coolant spitting problems went away.

Get some thing with a shroud! That setup is honestly no good.

Pop down to a jap wrecker and get a generic factory twin thermo setup with shroud!

[NewKleer]

as u can imagine there isnt very much room in an s13 engine bay with an rb25 in it.

im gonna see if i can stick a fan between the air con radiator and whatever replacement radiator i get, then perhaps get a smaller fan on the right hand side (side nearly touching pulleys). i dont think a normal clutch setup would work? (do u mean the crank driven one?)

[Cubes]

Or get a single big thermo.

Whatsisname runs one on his car and hasn't had a problem.

The clutch ones are the crank driven ones.

2 x 12" thermo's fitted up the way you have it don't work well.

[blind_elk]

They are probably pretty much all the same. I just installed a RB25DET in my 32 GTS4, and the only difference was in the top radiator hose.

It's probably best to get the radiator that comes from the same car as the engine - can't go wrong with that.

Are you sure it's the radiator? Import engines have a tendency to blow hoses anywhere on the engine, because the Japs don't take care of their engines, and don't use coolant in the cooling system.

For your overheating problems, you need to build some sort of undertray to:

1 prevent the air going down in front of the radiator and out under the car

2 draw the air out of the engine bay so that air has to come in through the radiator.

You could also re-wire the little thermo out front of the A/C radiator so that it comes on when you activate the A/C - presently, it's probably activating thermostatically.

[NewKleer]

i did a compressed air test on it, and there was definitely a leak from the middle of the radiator. im assuming i lost/was losing all the coolant down to the leak (about half way down radiator) and hence the overheating. at least i hope that was the cause, but nonetheless the radiator did have a leak, so hopefully it was just that.

generally speaking the temps were reasonably ok until the day it happened, so i think the cooling is sufficient, although ill look at getting one bigger thermo fan to replace the two smaller ones, hopefully having similar effect whilst giving more leeway to the pulleys of the engine, as small frontal impact and the fans mandle up all the pulleys.

ive got a few pics taken of the radiator if anyone is able to spot what it is, but presumably its the rb25 one, taken from the half cut.

http://irg.ausgamers.com/silvia/rad1.jpg

http://irg.ausgamers.com/silvia/rad2.jpg

http://irg.ausgamers.com/silvia/rad3.jpg

http://irg.ausgamers.com/silvia/rad4.jpg

http://irg.ausgamers.com/silvia/rad5.jpg

as can be seen, whoever put the radiator in decided to just drill holes thru it for the thermo fans, although the leak wasnt directly near any of the holes.

as for the thermo fans, i think they are all permanently on anyway.