Engine Water hoses that feed throttle body

[Mcmahst]

I’ve got an 87 TBird 5.0 in my 73 Mustang and I want to replace the two hoses that feed hot water to the throttle body. They seem like a thicker wall than typical hoses and I was wondering if they are unique for this application, over stock stuff. Thanks.

 

[Rdub6]

https://lmr.com/item/LRS-9424B-CLNT/mustang-egr-coolant-line-kit-86-93?utm_source=google&utm_medium=cpc&adpos=&scid=scplp&sc_intid=&gad_source=1&gbraid=0AAAAAD62FUzT8RfQkNKhMxGo_6KdKlAqE&gclid=EAIaIQobChMIq4yPk7TJjAMVsEf_AR3zeDetEAQYAiABEgJ30fD_BwE

 

[evintho]

Before you spend over $30 (w/tax and shipping) at LMR, just go to your local NAPA and see if they have any 1/4" heater hose sold by the foot, in the back. Probably cost you $5 or $6 and you can have it today vs. waiting a week and paying $30+. Just my $.02.

 

[AeroCoupe]

Or better yet just remove them. I haven’t had them on my car since I swapped it from a 4 cylinder to a V8 25 years ago.

 

[Mcmahst]

I’ll try the NAPA route first. Never heard of 1/4” heater hose, but there’s always a first.

 

[Mcmahst]

I stand corrected.

 

[General karthief]

I believe the coolant running through the plate between the TB and the upper intake is to cool the in coming exhaust gas from the EGR, no EGR no need for the hoses

 

[Noobz347]

I believe the coolant running through the plate between the TB and the upper intake is to cool the in coming exhaust gas from the EGR, no EGR no need for the hoses

There are many theories but nobody knows for sure, "Why the water, Ford?".

Some say, it ties in with the dude that stalks teen campers and can only be identified by a hook that he wears for a hand.

 

[General karthief]

There are many theories but nobody knows for sure, "Why the water, Ford?".

Some say, it ties in with the dude that stalks teen campers and can only be identified by a hook that he wears for a hand.

Read that IIRC, years ago, makes sence......the 'stalking teen campers' thing

 

[Mcmahst]

That theory is interesting. Just wondering, why are those fittings/lines missing from the Corba intakes? I’m starting to wonder if I should just cap the water ports and eliminate the lines? While I don’t have a Corba level motor, just a plain TBird boat anchor, it would help to cleanup the overwhelming clutter of the engine bay vs a simple carb engine.

 

[Noobz347]

I’m starting to wonder if I should just cap the water ports and eliminate the lines?

This is what most folks do.

 

[AeroCoupe]

Cobra uppers do not require the EGR spacer coolant lines nor do they have provisions for them. The one barbed nipple on the front of the upper by the throttle body is vacuum and goes to the charcoal canister solenoid valve.

 

[Mcmahst]

I just think the existence of Cobra manifolds tends to indicate the water is not for cooling of the exhaust heat. BTW, are those water inlets from the pipe and manifold, 1/2” NPT. I wanna get two brass plugs and live the dream.

 

[limp]

Equated to a Carb intake, the warm water heats up the intake during the warm up phase of start up...???

 

[Noobz347]

Equated to a Carb intake, the warm water heats up the intake during the warm up phase of start up...???

That is also one of the possible explanations.

Thing is: Water and coolant during startup can be below freezing.

Still, the theory exists that it's something like a "heat riser" on OEM carb'd cars.

 

[AeroCoupe]

Well this one has been beat like a dead horse years ago so here you go:

Thread 'Bypassing the throttle body coolant lines?'

Dec 30, 2005

I've heard of this being done on F-bodys and other cars but curiously I have never seen an article on doing this to 5.0s. Has anyone done this? Is it even possible on our cars?

• warpd
• Replies: 36
• Forum: Fox 5.0 Mustang Tech

 

[limp]

That is also one of the possible explanations.

Thing is: Water and coolant during startup can be below freezing.

Still, the theory exists that it's something like a "heat riser" on OEM carb'd cars.

Yes, but it warms up fairly fast.... And maybe not so much for start up but for better driving characteristics as the car gets to full operation temp...
I would guess that sucking in some very cold air would kee;p the entire air intake area cold for quite a while and this would be a fast way to generate some warmth to it.... Just a guess here.....

 

[Mcmahst]

I’m banking on wester Az and So Cal as not having anything but Optimum tempatures to drive my play thing.

 

[Noobz347]

I’m banking on wester Az and So Cal as not having anything but Optimum tempatures to drive my play thing.

Mine went away with the Kenne Bell and 80mm Accufab.

Have not missed it, even a tickle.

 

[Mcmahst]

So, does anyone know the NPT of those feed nipples?