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Discussion Starter #1
Hi i will change my intake manifold from my ew10j4 to ew12j4 mostly for the steel look but i do wonder one thing. Ew12j4 is 2.2 liter engine while ew10j4 are 2.0 so are the intake valves bigger or is it the same? And if anyone knows about the egr valve delete i would like to hear it the car in question are 307cc electronic throttle body
 

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The manifolds are not steel they are aluminium the engines are essentially the same the alloy manifolds are used on 180 hp engines and SOME 2.2 engines have alloy manifolds but most are plastic same as yours
 

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Discussion Starter #3
Yeah that one i have is aluminum just forgot the name. So it would be a straight swap no modification to the head except the egr valve
 
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