Miata Turbo Forum - Boost cars, acquire cats. - Is the restrictor between the block and head also a check valve?

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- - Is the restrictor between the block and head also a check valve? (https://www.miataturbo.net/engine-performance-56/restrictor-between-block-head-also-check-valve-107501/)

ed1380

10-25-2022 12:54 AM

Is the restrictor between the block and head also a check valve?

This thing in the picture. Is it just a normal restrictor or is it also a check valve? Audi loves putting check valves there. Just wanting to check before I pull it out to clean the oil galleys

https://cimg1.ibsrv.net/gimg/www.mia...c43f25e111.jpg

DNMakinson

10-25-2022 01:25 AM

It is not a check valve.

ed1380

10-25-2022 05:52 AM

Thanks

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