AlpineRaven Posted October 28, 2005 Share Posted October 28, 2005 Hey guys.... this is bugging me as no one can tell me... Hoping you guys would tell me! In theory, is that EJ20 & EJ22 Heads has different compression ratios, what happens If I source an EJ20 heads and install on EJ22 engine, would I get increased compression & power hence saving fuel?? EJ20 Heads are 9.7:1 Compression whereabouts EJ22 is 9.5:1 Compression but 10 kw difference. Has anyone here done that kind of project? Are there any mods required (ie. ECM etc) & any side effects? Thank you in advance. Cheers AP Link to comment Share on other sites More sharing options...
Legacy777 Posted October 29, 2005 Share Posted October 29, 2005 Check out www.bbs.legacycentral.org there's some info on there regarding this topic. Link to comment Share on other sites More sharing options...
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