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It's great
I actually bought a brand new Cavalier LS Sport Coupe (Z24's replacement) this past June. It has the 2.2 Ecotech. I have a lot of experience riding in all the different Z24 motors and I must say that the Ecotech is the best yet. I previously owned a 99Z24 with the 2.4 twin cam rated at 10 more hp than the ecotech. I was a little worried at first, but there is no performance difference. They feel exactly the same performancewise. The advantages of the ecotech over the previous motors are that it's much quieter, uses less gas, and is able to withstand major mods with stock parts. The Ecotech is able to withstand up to 400hp. I also have an 88Z24 and there's one thing about those old motors that I miss........TORQUE! The Z's propelled by the 2.4 and the Ecotech are faster, but the 2.8 or the 3.1 have way more torque and have that unique thrust that the 4cyls can't reproduce (but hey it's a V6 vs a 4). So, to conclude: the ecotech is fast (feels the same as the 2.4), most durable, most quiet, and most fuel effiecient motor yet.
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