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radiator cap?

This is a discussion on radiator cap? within the External Engine forums, part of the LSx Technical Help Section category; i have been having problems with my ws6 overheating. i have a new water pump, new 160 stat and i ...

  1. #1
    408 ci + 4000 stall = fun lancesT/A's Avatar
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    2002 SS

    radiator cap?

    i have been having problems with my ws6 overheating. i have a new water pump, new 160 stat and i just got my radiator flushed. it drove fine for about an hour after i got the radiator flushed and then when i pulled in my driveway it shot up quick as hell. i have heard that my cap could be causing it because the radiator is built on a pressure system and once it builds up enough pressure the cap is designed to relieve the pressure. i dont know if any of this is true but i would like some advice so if anybody has any please let me know.


    thanks

  2. #2
    Member Tman's Avatar
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    Black
    2000 WS6

    That is always a possiblity...the caps are cheap. Another thing could be air in your system perhaps?

  3. #3
    MOTOR CITY MARO' SSTODD's Avatar
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    PEWTER
    2000 CAMARO SS #3821

    LT1's have reverse flow cooling form any normal system and the pressure is to increase the boiling point so you do want the pressure built up to the rating or it will boil too low.

  4. #4
    408 ci + 4000 stall = fun lancesT/A's Avatar
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    when i got my radiator flushed they got all the air out, so the only thing i can think of is the cap. i am gonna replace the cap just to see if it gets better. shouldnt the cap let the air out of the system if not how do i let it out?

  5. #5
    STAY PUFT thecorrectformula's Avatar
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    Navy Blue Metallic
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    Does your fan work? that may be the cause.

  6. #6
    408 ci + 4000 stall = fun lancesT/A's Avatar
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    both fans work. the one runs all time and the other one kicks on at 180 because of my slp fan switch.

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