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50/50 or concentrate??

Discussion in 'General Jeep Discussion' started by JeepMafiaMama, Nov 18, 2016.

  1. Nov 18, 2016 at 5:53 AM

    JeepMafiaMama [OP] Well-Known Member

    Nov 2, 2016
    First Name:
    Central ny
    98' grand cherokee,88 wrangler
    Need anti-freeze which one is better for winter 50/50 or full strength ? Its below the add line! Do I fill it to the fill line or what? Iz not sure. Gets pretty damn cold in central NY.
  2. Nov 18, 2016 at 8:53 AM

    OFFGRID Well-Known Member

    Oct 3, 2016
    First Name:
    1979 Jeep CJ7, 258, TH350, NP208
    Howell fuel injection, header, HEI distributor, TH350, NP208, SOA lift with YJ springs in the front & GW springs in the Rear. AMC20 with G2 1 piece chromos trussed, Dana 30 with G2 chromos and 760x ujoints and MM Stainless Hubs, Geared 4.56. Tom Woods shafts, Metal cloaks, Caged, 37" Toyo MTs.
    You should never run full straight full strength. Antifreeze does not cool the engine. Water does, but water freezes in the engine ruining it as well as corrodes inside the block. One adds antifreeze to prevent the water from freezing and prevent corrosion. The more antifreeze you add the less ability the mixture has to cool the motor. Engines are designed to run a 50/50 mixture. In extreme cold temps you may need to run more antifreeze than water i.e. Alaska and visa versa. If you are draining your radiator and refilling it is cheaper to by the concentrate and mix yourself. If you are just maintaining the level, 1 gallon of 50/50 mixture will last you a very long time. The answer to your question is 50/50. Unless you are in Alaska or somewhere you will reach -30*F.
    Bob likes this.

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