I notice day-to-day differences in performance. The ECU might
allow more boost given the fuel, temperature, etc. on any
given day as it tries to give you the max power available for
the given conditions. Disconnecting the battery for a bit (resets
the ECU) can also make the car faster for about 10 miles as
the ECU goes to default settings and then "re-tunes" to the
fuel, temp, etc. (the default settings are not at all conservative,
as far as I can tell, since my T5M is a rocket right after an ECU
reset).
The T5 could also have an aftermark ECU.
My other thought is a manually tranny may take a bit of experience
to learn how to drive it fast. Floor it at 2000 RPM and not much
happens. Downshift a gear (or two) and floor it and it takes off.
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