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Which Cooland Hoses On Inlet Manifold Can Be Blocked ?

PROXIMITY

By PROXIMITY,
in Engines & Forced Induction

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PROXIMITY Rising Star

PROXIMITY

Posted
Posted

just doing head gasket atm, and their is coolant lines everywere on rb's.

Im sure you can do without many of them, i know def the tb one does not need to be connected.

But anyone else out their blocked any up before or know which i can block up ?

Any info muchly appreciated.

lotsalag Contributor

lotsalag

Posted
Posted

+1 for leave them

sure people will tell u u can make more power etc without coolant running through everything, but if bits r cold on the intake ur car will have bad fuel atomisation etc and might drive like a pig till warm. remember carby cars often run a heat riser tube off the exhaust manifold to the intake for this reason.

reminded me of the "mod" where u bypass the throttle body coolant hoses etc and people feel a gain in response and power etc! lol kinda odd considering the whole inlet manifold has coolant running through it!

lotsalag Contributor

lotsalag

Posted
Posted

hehe, at least ur doing it for logical/sensible reasons :)

as for getting rid of em, yes its a mess under there, and its been a while since i had a good look with a plenum off, might have to try and nut it out, or just change all the hoses to save headaches.

i had one in there let go, it was an absolute prick to change!

PM-R33 Grand Master

PM-R33

Posted
Posted

When I had my head off I redid some of the coolant lines by removing some and reconnecting others. It's a bit hard to describe it all but the easiest one to do is the throttle body coolant one and rejoining it elsewhere. That's one line you can piss off, don't need to worry about a buterfly sticking shut in Australia's climate.

Bl4cK32 Grand Master

Bl4cK32

Posted
Posted
I have had many let go over the years on my other 20's. its bullshit, And i really think they are not essential.

I will replace them all new if no1 knows, but i have heard of people removing/blocking a few.

Maybe because of the age of the lines, or becoming blocked?

What would nissan not know that you do?

This is about as far up there with mods such as filling the chassis rails with foam, or looping the battery fumes into the intake...

lotsalag Contributor

lotsalag

Posted
Posted

Battery fumes into intake?! :) rofl

Please ellaborate!

Kinda reminds of me of a wrx owner i was on the phone to, who wanted his ""screamer pipe" hooked up to the intake to his turbo"

Yes epic LOL

I explained u only do that if u want a nice fire in the engine bay and kindly suggested to bring it past and i'll have a look what he meant exactly what we might be able to do for him. He never turned up tho funnily enough! :(

Generic foam in chassis rails wont do squat, but u can get stuff more specific for the job that does apparantly work, off topic either way.

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