I don’t have a DI Jeep, but I fitted a catch can to my VF Commodore. I get about 1/3 coffee cup / mug of oil every 7,500 which is my service interval. Much better than carbon coking the valves.
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Jeep TJ rebuilt 4.0L, Custom Steel Roof Racks, vintage ((Jeep specific)) 15” Centerline Hellcats,
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