The radiator overflow tank and the surge tank are one in the same. The metal one just looks better, and costs more. Forge makes one, as well as one for the power steering.
Thats incorrect. surge tank has pressure in it just like rest of water jacket/radiator. overflow bottle has no pressure. it just serves to allow the expanding water a place to go. not sure what the purpose of of surge tank would be? my guess is it makes a great place to purge the air from the sytem. usually placed higher than the rest of system. when sir reaches surge tank in cant re-enter the system
Is this what is known as a catch can? And if so, what are its benefits?
and the catch can is for the oil/air that blows out the valve cover so that it doesn't get recirculated into your turbo intake... which is how its set up from factory..
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