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93 ECR33 GTS-25t RB25DET valve cover breathers venting to atmosphere

twr7cx

By twr7cx,
in R Series (R30, R31, R32, R33, R34)

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twr7cx Contributor

twr7cx

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On my recently purchased 93 ECR33 GTS-25t RB25DET, the front valve cover breathers are currently connected between each side and then venting to atmosphere through a breather filter. I believe the the atmosphere venting is an issue for RWC. How are these setup from factory - is there's a charcoal canister or something that it's meant to go to or is it normally plumbed into the air intake pipe (post air filter and pre turbo charger)? Is changing this likely to have any ill effects on the engine running such as the tune etc?

IMG-4733.jpg

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