2002 wrx impreza
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This is a discussion on 2002 wrx impreza within the Transmission & AWD forums, part of the Tech & Modifying & General Repairs category; Do the transmissions hold under a lot of boost ? If not what should I do to make it stronger ...

  1. #1
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    2002 wrx impreza

    Do the transmissions hold under a lot of boost ? If not what should I do to make it stronger ?

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  3. #2
    zax
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    Under a lot of boost? I fail to see how a transmission has anything to do with boost.

    The 2002 WRX transmissions have a reputation for being "weak," though honestly most of this reputation is thanks to abusive AWD launching. Remember, it's torque that kills transmissions, not power. Since the 2002-2005 WRX has the 2.0L motor (lacking torque), you're in luck.

    If you want a stronger transmission, you have very few options. You can 1.) replace the transmission or 2.) rebuild the transmission. There IS one trick, however. It involves effectively gearing down your final drive ratio:

    How to make your car faster and reduce the stress on your transmission - NASIOC
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    It depends on how you drive it. I drove with a stock 02 5mt for about 20,000 miles with 306whp and an ACT HDSS clutch and when I pulled the gears out they looked virtually brand new. Some people will break the transmission at stock power levels.


    Aside from that, boost doesn't really equal power, so I'm a little unsure what exactly you're asking.

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