Drag GT-R Cooling system Q's

[Matt]

Legendary post Rock!

You are an absolute champion!

[PLAYA]

im guessing its making around 1000PS and id say for any motor in the region of 2.6-2.8 this is no easy feat.

[Nick]

Does the RB26 have a air bubble trapping problem? First time I have ever seen anything like this..

[Matt]

Nick,

The problem is that theres so much heat being dissapated that the coolant instantly turns to steam - so instead of having the water go from the front of the block to the back, then into the back of the head, and to the front, the water path is designed so that each bit of water only has to cool one cylinder, and then exits through those 3 hoses into the header tank.

You'll see the same thing on EVO lancers with more than 450hp or so. Another example that has this same mod is the JUN Akira top speed Supra that did 400+ km/h

Mods like this are only seen in big HP applications - more than 250 - 300hp/l

[Rz]

i thought coolant turning to steam (bad news) was only caused by having air trapped in the system.

[TonyJZX]

Would you guys know of anyone in Australia who has this depth of knowledge?

I'd imagine Mario/CRD, perhaps Munro and Tilbrook. Keir Wilson?

T.

[Matt]

Heres a more detailed photo of the mod for anyone that is interested (or is smart enough to believe me )

[Zac]

Interesting. quite simple, really.

They look like they are welded onto the inlet manifold.