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Old 01-06-2011, 01:37 PM   #99
Scooby Newbie
Member#: 269226
Join Date: Jan 2011

One difference between the 3071/3076/3582 will be transient response which you won't see on a dyno. So even of the GTX3071 only makes the same power as the regular GT3076, it should have better transient response on/off boost due to being lighter. So this shows up in driveability, not on the dyno. Though, looking at the compressor map of the GTX3071 vs. the GT3076, it looks like the GTX3071 has better efficiency at the high mass flow rates up until they both choke out.

The Cosworth ECU and data tool box looks badass........
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