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Thread: coolant problem

  1. #1

    Join Date
    Jul 2011
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    canada
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    Unhappy coolant problem

    my ski is a 2007 rxt 215
    stage 3 riva
    et137+4
    fuel regulator
    ecu riva 8650rpm
    afr
    boost guage
    50 injector bosh
    riva gen 3 intercooler
    valve train upgrade kit
    etc....

    i have a blown head gasket last summer
    in the coolant bottle i seen alot of little pieces(black)

    this year
    after two ride i notice my coolant drop in the bottle
    i full it up to the mark max
    after a ride it was between max and minimum and i see some little pieces(black) again

    i put a riva head gasket
    do you think the black stuff was from the last blown head gasket?
    i flush every thing with new coolant

    help
    sorry for my English


  2. #2
    AtoMIC_OraNGE greenbullet's Avatar
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    When running bigger chargers and higher Rpm the coolant will quickly become heat soaked and not effiecient causing your head gasket to go. Rivas open loop kit is a great option and what myself and many others run. Your options are Rivas kit or go a heat exchanger setup. You can still run the open loop kit on a closed loop ride plate as well. Oem head gasket is the only way to go as well

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  4. #3
    I think it's recommended cutting the coolant fifty/fifty. Are you doing this or using 100% antifeeze?

  5. #4

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    i use prestone premix
    I have the riva thermostat
    My head gasket only have 15hour
    Do you think it's only the left over of the old one?
    Why the oem gasket is better?
    I have no engine code

  6. #5
    icdoo's Avatar
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    OEM is better because people here have had better results with it. If the black crap is flaky like paint, its because it is. Paint from the cooling passages in the block that is peeling off.

  7. #6
    captain slow Turbo Retro's Avatar
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    are you running rear exhaust??

  8. #7

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    Quote Originally Posted by Turbo Retro View Post
    are you running rear exhaust??
    I have the rear riva exhaust

  9. #8
    captain slow Turbo Retro's Avatar
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    are you running a cooler thermostat?? how long do you hold it WOT for??

  10. #9

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    Quote Originally Posted by Turbo Retro View Post
    are you running a cooler thermostat?? how long do you hold it WOT for??
    I have the riva thermostate

    30 sec max at wot

  11. #10
    Lightning1's Avatar
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    When you did the first head gasket, did you check flatness on the head, or have it sent out and re-surfaced? You could have a warped head from an overheat.

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