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Thread: anti freeze

  1. #1
    Join Date
    Nov 2005
    Location
    ohio
    Posts
    1,712
    ive heard that the dex cool is not good to leave in your truck cause of corrosion. any of you guys flush & fill with the green or should i just not worry about it till after warranty? thanks
    07 SILVERADO CLASSIC 2500 HD 4x4 CREW CAB LT3 DURAMAX LBZ/ALLISON 6 SPEED 5'' MBRP Turbo back exhaust 6'' TIP /NO CAT- NO MUFF/ AFE Intake/ EDGE HOT JUICE /MERCHANT AUTO STG III Built Allison/P I ConverterTTS Twin Lift Pumps. Tierod sleeves/Cognito braces.17x9 Moto metals_______ Old Truck ,04 Z-71/Turbocharged,/cam/stall/Zippy Built TRANS/Nelson Tuned------

  2. #2
    Join Date
    Nov 2005
    Posts
    504
    I wouln't worry about going to green. If you din't get all of the dex cool out and they mixed you would have a big mess of jel-0.
    GM went to dex cool for a reason right.

    I have green in my truck its cheaper. I had my motor torn all the way down.
    SOON TO COME!!!!

  3. #3
    Join Date
    Nov 2003
    Location
    Denton Texas
    Posts
    20,540
    They have a new coolant that replaces the green and dexcool and it will blend with the dexcool without gelling.

    You can flush the system and then add the green coolant. The dexcool is notorious for damage caused by electrolysis.
    See my truck data in the "My Garage" section here... http://www.ls1truck.com/forums/my-ga...tml#post191709

  4. #4
    Join Date
    Jan 2005
    Location
    Conway, AR
    Posts
    1,353
    Green all the way in mine! Been through two flushes, one at the first year i used it and the other at cam change. No problems to date!

    Chris
    2009 Silverado, HPTuners, all stock.

  5. #5
    Join Date
    Nov 2005
    Location
    ohio
    Posts
    1,712
    thanks for the info, ive seen some corrosion around the rad cap on my prev 99 s10 zr2, and heard that the dexcool is corosive, i know GM switched for a reason , but i just want the best in my truck like everybody else.
    07 SILVERADO CLASSIC 2500 HD 4x4 CREW CAB LT3 DURAMAX LBZ/ALLISON 6 SPEED 5'' MBRP Turbo back exhaust 6'' TIP /NO CAT- NO MUFF/ AFE Intake/ EDGE HOT JUICE /MERCHANT AUTO STG III Built Allison/P I ConverterTTS Twin Lift Pumps. Tierod sleeves/Cognito braces.17x9 Moto metals_______ Old Truck ,04 Z-71/Turbocharged,/cam/stall/Zippy Built TRANS/Nelson Tuned------

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