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Old 12-11-2012, 03:02 PM   #32
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Joined: Apr 2003
Location: Longmont, CO
Oddometer: 6,328
Originally Posted by Katoom119 View Post
Take the "not" out and it makes sense.

It's called heat soak. Basically what is happening is that the heat is transferred from the engine to the radiator fluid, then goes to the radiator to be cooled. Well, the stock rubber hoses don't keep the heat in the hoses but lets it seep out into the engine compartment. So now you're running an engine in an oven, essentially. Because of this the radiator has to work even harder to cool the engine.

Put on the thicker Samco hoses and no heat is allowed to seep through the hoses into the engine compartment; the only place the heat is allowed to dissipate is at the radiator. Since the engine is now not-in-an-oven, it runs cooler, simply because there's not so much damn heat in the compartment. This lets the radiator run more efficiently and actually cool the engine, not the entire engine compartment.

Think of it like this: it's 95* outside and you have every window and door in the house open. A/C is going nuts, right? Can't cool the house no matter how hard you run the A/C unit. Close the doors and windows (I.e., change the hoses) and now you have better insulated the house (engine). So now when the A/C unit (radiator) cools the house, it actually works.
That would make sense to me if the radiator wasn't exhausting its added heat onto the engine and into the area those hoses ostensibly are isolating their heat from.

Whatever-- they look kind of cool.

'7? Benelli 650S, '80 BMW R100 RS, '93 Ducati 900 SS, '07 KTM 990 Adventure
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