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Originally Posted by mxman38
Have a quick question and hopefully you can help. I was referred to get a 7670 for my 2.0 Buick regal. I currently have an EFR 7163 now; only making 450whp on E85--- I was told I can easily make 550whp with this set up; just wondering if it is worth the switch. I can easily sell my EFR and have an even trade, but is it worth sacrificing the liquid cool; aluminum housing, ball bearing? There hasn't been any reliability posts yet, but the cheaper price tag makes me wonder how much it will out perform my current turbo.... thanks for any help
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It's definitely not going to spool like the 7163 does. With an optimized engine you should be able to make ~550whp with the 7163, I would agree. These turbos definitely flow more, but at the sacrifice of slower spool. The S200SXE is going to allow you to hit the 600whp mark, and the S300SXE range starts at 700whp. I would stick to the 7163 for a street car personally.