Water Restrictor in Radiator Hose: Cool Down or Heat Up?

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  • Thread starter Thread starter vector22
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Discussion Overview

The discussion centers around the effects of installing a water restrictor in the top radiator hose of a car engine, specifically whether this modification would lead to the engine cooling down or heating up. The scope includes theoretical considerations of engine cooling systems and practical implications of such modifications.

Discussion Character

  • Debate/contested
  • Technical explanation

Main Points Raised

  • One participant suggests that adding a water restrictor would reduce the effectiveness of the cooling system, potentially increasing engine temperature.
  • Another participant proposes that while the restrictor might increase cooling within the radiator, the overall effect on engine temperature would depend on the thermal efficiency of the coolant and the specific engine and cooling system in question.
  • Concerns are raised about the possibility of damaging the pumping system due to the installation of the restrictor.

Areas of Agreement / Disagreement

Participants express differing views on the impact of a water restrictor on engine temperature, indicating that the discussion remains unresolved with multiple competing perspectives.

Contextual Notes

Participants highlight the need to consider various factors, such as the specific engine type and the cooling system's design, which may influence the outcomes of installing a water restrictor.

vector22
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You would not lock threads where i tried my best to put my point of view. I,m not a crack pot

OK let's argue about something that I actually have experience with. You all seem to be terribly set in your ways in fact a bit too arrogant for my liking

So the question is : If you put a water restrictor in the top radiator hose of a car engine, will the engine cool down or heat up?

That was a valid physics question.
 
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Drop the attitude, you agreed to the rules on sign up. If you don't like them go elsewhere.

You would reduce the effectiveness of the cooling system and the engine temperature would increase.

EDIT: I suppose you'd also increase cooling within the radiator itself, giving cooler fluid moving into the engine. So we'd need to know how much cooler it would become and compare this with the thermal efficiency of the coolant to see if it could draw off the required amount of heat whilst traveling through the engine.

If it's cool enough and can draw off the heat well enough it could cool the engine more, if the additional cooling isn't enough or it can't draw off the heat then the engine temperature could increase.

I think it would depend on the engine and cooling system.

You may even damage the pumping system.

Also, it's "If you're so smart".
 
Last edited:
vector22 said:
You would not lock threads where i tried my best to put my point of view. I,m not a crack pot

OK let's argue about something that I actually have experience with. You all seem to be terribly set in your ways in fact a bit too arrogant for my liking

So the question is : If you put a water restrictor in the top radiator hose of a car engine, will the engine cool down or heat up?

That was a valid physics question.

So it isn't to your liking here? Taking part in this forum isn't compulsory. There are plenty of car mechanics' fora elsewhere.
 
In before the lock.
 
jarednjames said:
Also, it's "If you're so smart"

If there was a definition of ownage, this would be it.
 

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