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Zerex G-05

Discussion in 'GM Powertrain' started by div4scpro, May 24, 2009.

  1. div4scpro

    div4scpro New Member

    If OAT based coolants are good, wouldn't it stand to reason that HOAT based coolants that seem to be the recommendation of choice for a lot of European vehicles that have aluminum components would be an even better choice for 5.7L in a 97 K1500. I don't care what anyone says, I have personally seen the damage Dexcool does even with following the manufacturers recommendations.

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