400+bhp 4eat flexplate
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This is a discussion on 400+bhp 4eat flexplate within the VDC, VTC, and 4EAT forums, part of the Transmission & AWD category; Hi JDM '95 WRX Wagon 2L turbo Does anyone make an sfi approved or heavy duty flex plate? Is the ...

  1. #1
    Registered User
    Join Date
    Sep 2011

    400+bhp 4eat flexplate

    JDM '95 WRX Wagon 2L turbo
    Does anyone make an sfi approved or heavy duty flex plate? Is the stock flex plate OK at 400-500 bhp?

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  3. #2
    Registered User
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    Jun 2006
    Stock plate should be more than enough for that power range.

  4. #3
    Moderator T0rque's Avatar
    Join Date
    Dec 2004
    Medford, Oregon
    I Support ClubWRX
    I dont think your flex plate would be the problem, it would be getting your torque converter and valve body up to par to handle that..

    Lead Wrench @ WTF Tuning, LLC

  5. #4
    Registered User
    Join Date
    Sep 2011
    Thank you, both, for taking the time to reply.
    I feel more confident now.
    Rest assured, the torque converter and valve body are being addressed.
    25 years ago, when I was drag racing my, street driven, Plymouth (which I still have) - 11.9 bracket, I changed to an externally balanced B&M flexplate.
    I thought it would be interesting to get to, a street driven, 11.9 again. This time with a turbo and more electronics. All I had before was a voltage regulator and an MSD 6A!

  6. #5
    Registered User teflon_jones's Avatar
    Join Date
    Apr 2007
    8000' up in Colorado
    What year/mods/mileage are on your car?
    Past Subies - '11 STI Limited stage 1+ and '04 STi stage 2+
    '13 Wrangler Rubicon - custom front bumper w/12k lb winch & off-road lights, skid plates, diff guards, etc.
    '04 Porsche 911 Turbo GT2 clone 600 HP/TQ
    '77 F-150 heavily modded for off-roading

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