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  • Sandtrap Motorsport
  • Donating Members
  • Member For: 16y 7m
  • Gender: Male
  • Location: Perth

It seems to be a reaction in the actual plastic overtime to heat in relation to the silicon % in the plastic mix, to stop it being super fragile.

With $$$$ coolant it seems to stay ok, but cheap coolants turn it brown

  • Moar Powar Babeh
  • Lifetime Members
  • Member For: 19y 9m 2d
  • Gender: Male
  • Location: Perth

Also consider Quality coolant is less corrosive/acidic than cheaper coolant therefore doesn't wash any residual sand embed in the block out. (Block are sand cast)

  • Donating Members
  • Member For: 12y 11m 17d
  • Gender: Male
  • Location: Perth, SOR

I did my own coolant change as noticed header tank was starting to get scummy.

In the end the slug came back.

So did this with plasidip

ca3f19b55462b58ce68cdbbf33ee44d5.jpg

In the end I brought a SP Flushing gun and pull radiator hose off on hot side.

Removed thermostat and and flushed the sh*t out of it.

New header tank and it has stayed spot on.

b71e95f5fc76f5ba3ba48e7c42227292.jpg

  • Moar Powar Babeh
  • Lifetime Members
  • Member For: 19y 9m 2d
  • Gender: Male
  • Location: Perth

Mine is scummy but I like it that way....Give IH8Toads and J@Snot something to give me shit about

SesUiP9.jpg

My brown header tank blood runs deep

InFXl.jpg

  • Like 2

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