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  1. #1
    Vman's Avatar
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    300 I/C water psi?

    Anyone know the working water pressure range of the I/C on the 300? Or more precisely a safe pressure to test the core for leaks at?


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    It's not that high garden hose is adequate. 20-30 psi.

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    Take the time to smile sirbreaksalot's Avatar
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    you dont use water to test , use AIR its a better and easier to see even the smallest leak !!!

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    Vman's Avatar
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    Quote Originally Posted by sirbreaksalot View Post
    you dont use water to test , use AIR its a better and easier to see even the smallest leak !!!
    This is how I normally test, but what pressure is safe for this core? 10-15 psi? Higher?

    Thanks, guys.

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    easiest possible way would be to connect the garden hose to it and block the outlets if you get water in the core you know you have a problem. id be thinking anything up to 70psi wold be safe as thats what most water supplies are running..

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    Quote Originally Posted by nicjak View Post
    easiest possible way would be to connect the garden hose to it and block the outlets if you get water in the core you know you have a problem. id be thinking anything up to 70psi wold be safe as thats what most water supplies are running..
    70 psi dayummmm you got good wp in aus. Mines like 20 lol. And yea for checking to see if water is leaking in little food coloring works wonders. But for air side obviously air is best.

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    Take the time to smile sirbreaksalot's Avatar
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    Pressurizing with air and submerging the cooler in water is faster and better to find leaks , as real small leaks in the core show up better with air , same techique radiator shops use

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    nicjak's Avatar
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    exactly waz i was just trying to show a real easy safe way where vman didnt have to worry all about pressures being used

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    Quote Originally Posted by sirbreaksalot View Post
    Pressurizing with air and submerging the cooler in water is faster and better to find leaks , as real small leaks in the core show up better with air , same techique radiator shops use
    But won't that bust the Seam on the flux backwash valve ? Coupled by pressure on the penis wrinkle it will surely urintae incorrectly

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    nicjak's Avatar
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    could always fill it with gas and wave a match around the core opening

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