What Is This Hose?

[Young GT-R]

Ok, so I have most of my plumbing back together, all bar the small (8mm?) hose that connects next to the bottom radiator hose on the block. Where does this hose connect to in the system?

Also, anyone got English instructions for the D1 breather tank as I lost my instruction sheet (even if it was in japanese)

Cheers.

[Young GT-R]

this is on an RB25 sorry....

[Young GT-R]

can someone with a 33 tell me if this hose goes to the runners for the plenum near the front of the motor?

[tridentt150v]

Need more info. I just had a look at my R33 RB25 and there is no 8mm hose near where the rad. hose joins the block that I could see.

[Young GT-R]

It's where the bottom hose fits the block on the rear side of it. I don't have a pic unfortunately. I figure that it goes in a loop to the t/body and into the runners for the plenum (ath the front end of the plenum on the top) Problem is that my new subzero plenum has the water lines blocked off. Will this cause problems if I am making sense?

[Craved]

the hose that is part of the throttle and bleeder system that runs off the back of the thermo housing goes up into the plenum around the injectors, then out the back of the plenum to the turbo ... you must keep this hooked up.

[Young GT-R]

that's what I thought it was. Much appreciated.

I can't get a straight answer from people as to why coolant is required to go through the plenum around the injectors. But this subzero plenum has a plug on one side screwed in and some sealant blocking the back end that goes to the turbo line. So basically, it wasn't flowing coolant on it's last car and does it really need to? Cheers

[blind_elk]

I can't get a straight answer from people as to why coolant is required to go through the plenum around the injectors.

I imagine it's designed to keep the inlet runners warm, thereby improving and maintaining the vapourisation of the fuel.

[Young GT-R]

yeah I have been told it's to warm up the inlet runners and can be bypassed. But am hesitant. It's clearly been done with this plenum previously.

[Craved]

if you have a water cooled turbo, there must be another water feed somewhere going to them

if not, make sure you get one in there

what turbo is it running?

[Young GT-R]

I have a baby T3 that has a bigger front wheel.

The water line from that is now tee'd into my heater lines.

The small hose behind the bottom radiator hose (going into block) now connects to my breather tank.

I have been told that it's for cold start only to have the water in those runners and is better to leave dry. Should be set now.

[Craved]

I have been told that it's for cold start only to have the water in those runners and is better to leave dry. Should be set now.

if you could get a better explaination about this statement i would be insterested..

as for cold starts the water is cold, what would cold water do for the injectors on a cold start???

--been looking into running a bleeder tank on my car too.. good to see it works hooking it up here