Radiator

[Absolut R]

Hey guys,
just been looking at a bigger radiator n mainly wanna now how come koyo is like 300 n spoon is like 900...
Is there that much difference in cooling effect?
cheers

[tinkerbell]

no, there is minimal/if any difference in cooling effect.

the difference is in construction quality control.

[Absolut R]

so maybe suggesting that its not worth all that extra?

[tinkerbell]

so maybe suggesting that its not worth all that extra?

depends what the stakes are, i guess?

in a full race car you need ULTRA reliability... not so much so for a street car...

i upgraded to a PWR alloy radiator, but only because mine was old (160000km) and blew whilst racing...

do you currently experience cooling problems?

these can be due to factors besides proper radiator function...

[Absolut R]

no, i just want a new one coz i done heaps of work to my R

[fezp]

hahah i like that. "im buying it cause i can"

[Absolut R]

fair call, healthy for engine so why not?

[tinkerbell]

fair call, healthy for engine so why not?

cost is only reason not to really... of if it has to stay stock for class classification purposes on the race track...

[Absolut R]

i didnt get what u said sorry lol

[tinkerbell]

installing a expensiver radiator is not a problem (ie healthy for the engine), it is just expensive...

but PLS dont buy the cheapo china made alloy radiators... these would be a liability, not an asset, on the road IMO...

[Absolut R]

is genuine koyorad considered cheapo china ones?

[m0nty]

is genuine koyorad considered cheapo china ones?

Yes. In stark contrast to ARC. Spoon is a good compromise.

In hindsight I spent more than needed to on a 36mm ARC but now that it's been turned into a racecar it's value added since a cheaper one probably would've needed replacing.

[szymonsta]

mm..i dont know if koyo is 'cheapo china one'.
granted many koyo radiators (including the one i have) are license-made in i think Thailand or the Philippines, rather than in japan. however i have seen them used in various high-level motorsport activities (garage kagotani tsukuba time-attack BNR34, several australian GT production race cars inc Porsche GT3s, and of course D1 drifting) and they seem to have good reliability.
i agree that ARC is probably the best choice due to quality although as always something of the highest quality will be more expensive. you get what you pay for

[Absolut R]

yeh well i bought a koyo one, looks good, red up on them n they seem like quality parts thanks for the info tho guys

[Tiu]

[DC5R] Radiator

Planning to order a Koyo Radiator for my DC5R tonight as varies of peole had mention that reaching water temp of 100c on the track are consider 'little high'

As i planned to install some internal goodies in the near future, so i guess it would be a safe step in buying a radiator with better cooling than continue using the stock unit.

Just wondering would the bolt on radiator for RSX-S but bolt on AUDM DC5R?