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What Is This Hose?

Young GT-R

By Young GT-R,
in General Maintenance

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Young GT-R Proficient

Young GT-R

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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.

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Young GT-R Proficient

Young GT-R

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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 Grand Master

Craved

Posted
Posted

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 Proficient

Young GT-R

Posted
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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 Grand Master

blind_elk

Posted
Posted
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 Proficient

Young GT-R

Posted
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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 Grand Master

Craved

Posted
Posted
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

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