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Old 09-29-2015, 05:40 PM   #314 (permalink)
hardline
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Join Date: Mar 2011
Location: Thornton, CO
Posts: 15

FiST - '17 Ford Fiesta ST
90 day: 34.44 mpg (US)
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The GT35R has a decent efficiency island in the lower pressure ratio region, The turbo I use, while it may "work", it is not operating anywhere close to it's peak thermal efficiency, and is needlessly converting exhaust energy to heat in the compressor. My turbo is made for boost, and lots of it (like 15-24 PSI in the peak range)
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