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VulvaS40T4

My Volvo S40 T4 700hp with Holset

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Nice work!

If the equalizing tube (cam vent) is up top, what are the two additional floor vents for? I presume the large one is your VTA/draft tube, what is the other drain for?

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Nice work!

If the equalizing tube (cam vent) is up top, what are the two additional floor vents for? I presume the large one is your VTA/draft tube, what is the other drain for?

Yes on top there is cam vent and on side there is block vent. On down there is normal stock oil return and extra oil return to oilpan. That extra return also acts as extra breather. That big 30mm pipe is draft tube to outside. :)

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