Blip* throttle trick works for me. That and keeping the revs higher than normal on gear changes.

I'll be going organic simple clutch system next time, wife can't drive my WRX with this clutch and it's pissing me off big time.

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1989 Legacy GT --> 2001 GD WRX --> 1999 GF8 WRX --> 2001 GD WRX