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Hello everyone. I have a strange problem with the engine(z22se). When the car is cold, at startup it takes 5-10 seconds until oil pressure builds up. When the vehicle is hot, it shortens to 1-2 seconds. The idle is steady At 5 bars, it drops to 3 bars when the engine get to working temperature...

Hello friends.z22se depo oil pressure gauge,almost 2 years working ok.last week strange reading.....after cold start the gauge vals looks more reasonable,but after the engine go to normal working temperature,the needle jump and never pas 4.5 bar.brfore i used to have 3 bar at idle and extra 1...

Hello all.I want to install a oil cooler for my astra mk4 z22se engine.is there a unique kit? If not,i will be happy to know exactly what is needed. Thanks :-)

Hello . I read that i can use the z22yh engine with my astra mk4 originaly powered with z22se,and only replace the crank,or use external trigger wheel . Is this the only change required? Will the fuel system in my car and the injectors, and the manifolds, fit this engine? Can i use the z22yh as...