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This is a discussion on Coolant within the General Help forums, part of the LSx Technical Help Section category; Hey there. I'm in need of some help. I just bought my first Z28 a few weeks ago. Now it ...

  1. #1
    Junior Member
    Join Date
    Aug 2020


    Hey there. I'm in need of some help. I just bought my first Z28 a few weeks ago. Now it is all jacked up in the shed. 2 weeks after buying the car the oil pressure almost killed her. So I changed the oil pump and timing chain while I was in there. Now after I put everything back together I go to fill it with antifreeze and check the oil once more. To find coolant is pouring out my oil drain plug. I mean within 20 seconds from radiator to oil pan. What have I done wrong and have I cracked the block somehow. Thank you so much for any help.

  2. #2
    Junior Member
    Join Date
    Oct 2021

    1999 firebird

    it sounds like the block is toast.

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