freeze plugs
in my 1966 dodge Dart 270 with a 225 ci engine, and three freeze hole plugs, what size do I need to replace my freeze plugs?
Do i use nylon, steel or brass? help asap please. Caesar |
Brass or steel. I use the brass ones, size is 2" if I remember right. Go to your local parts house/machine shop & they'll have what you need.
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id go withe brass too
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If there's no aluminum in the cooling system (water pump, thermostat housing), leave the brass in the shop and use steel...
Brass is much higher on the galvanic scale and will kill aluminum components. A good example of this is the PRV V6 shared by Peugeot (the designers), Renault and Volvo. In the Volvo, and only in the Volvo, there's a brass plug in the block to drain the coolant. The block is aluminum, as are the heads and everything else (very neat light engine). The Peugeot has very little problem with corrosion, but Volvo blocks are usually badly eaten out. I've known people who've had to change engines because of water leaks out of the block. |
i would also used the steel
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This guy gave up and sold the car according to an old post i read.
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Some things are just too hard, I guess...
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So my brass plugs are going to eat up my water pump and thermostat housing?
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Unless you keep the inhibitor up to scratch...
Or have a sacrificial anode in the cooling system... a piece of zinc or something down the bottom of the galvanic scale to allow the electron attack to focus on something other than the aluminium housings. |
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