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  1. #1
    Super Member Jeremy1976's Avatar
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    3401 backing plate.

    FLEX XC3401 Mini 4 3/8 Backing Plate, FLEX

    Is this the best to run? I'm looking to use some 5" LC Hybrid pads .

    Thanks.

  2. #2
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    Re: 3401 backing plate.

    In order to run the 5" Hybrid pads on the Flex 3401 you'll need to use the 4" backing plate from Lake Country found here: FLEX XC3401 Changeable Backing Plate System

    The 4 3/8" is too large for the 4" velcro area on the Hybrid pads. Some members have machined their 4 3/8" plate down to 4" to safely use the hybrid pads.

  3. #3
    Super Member spazzz's Avatar
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    Re: 3401 backing plate.

    Wouldn't the 4 3/8 plate with the 5.5 inch Force pads be a better option?

    I like the Force pads more than the original.

  4. #4
    Super Member Jeremy1976's Avatar
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    Re: 3401 backing plate.

    Quote Originally Posted by VdubbinMI View Post
    In order to run the 5" Hybrid pads on the Flex 3401 you'll need to use the 4" backing plate from Lake Country found here: FLEX XC3401 Changeable Backing Plate System

    The 4 3/8" is too large for the 4" velcro area on the Hybrid pads. Some members have machined their 4 3/8" plate down to 4" to safely use the hybrid pads.
    Not great reviews....

  5. #5
    Super Member Jeremy1976's Avatar
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    Re: 3401 backing plate.

    Quote Originally Posted by spazzz View Post
    Wouldn't the 4 3/8 plate with the 5.5 inch Force pads be a better option?

    I like the Force pads more than the original.
    I have 12 brand new 5" pads.

  6. #6
    Super Member spazzz's Avatar
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    Re: 3401 backing plate.

    Quote Originally Posted by Jeremy1976 View Post
    I have 12 brand new 5" pads.
    Well okay then just order the LC system with the 4 inch plate and fire away. It works great.
    I just wanted to try the new force hybrids and I like them. The 5s work great too.

  7. #7
    Super Member JRP's Avatar
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    Re: 3401 backing plate.

    Orange, White, and Black 5" Hybrids are great deal on BOGO.........

  8. #8
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    Re: 3401 backing plate.

    Quote Originally Posted by Jeremy1976 View Post
    Not great reviews....
    Agreed. I have both the 4" and 4 3/8" backing plate but haven't used either yet since the weather in MI has not been cooperating so I can't comment on the durability.

    See this link for more information if you want to try cutting the backing plate down yourself.

    Cutting down Flex Mini 4 3/8 BP to use 5" Pads

  9. #9
    Regular Member FlyinLow's Avatar
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    Re: 3401 backing plate.

    Dang, that is the second amazingly clever idea that I've gotten off of this forum today. You guys are amazing!

    I'll make one suggestion though… Rather than taping the edges, sand them, and apply epoxy to seal them. That way, you're actually getting more air in there, which will help keep the pads cooler. Just a suggestion.
    @Demonizer: It's been a few years now so you should know if not having the outside edge of plastic weakens the revised backing plate at high rpm's/pressure. By the way, how did you find a machinist on craigslist? What were your search terms? (hope he sees this)
    1994 300ZX 2+2 MT, sole owner, 239K mi
    2005 Ford Escape XLT Sport 4WD
    2014 Maserati Quattroporte GTS

  10. #10
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    Re: 3401 backing plate.

    Quote Originally Posted by VdubbinMI View Post
    In order to run the 5" Hybrid pads on the Flex 3401 you'll need to use the 4" backing plate from Lake Country found here: FLEX XC3401 Changeable Backing Plate System

    The 4 3/8" is too large for the 4" velcro area on the Hybrid pads. Some members have machined their 4 3/8" plate down to 4" to safely use the hybrid pads.
    well that was a bad idea, the 5" hybrid pads are out, The new force flex 5.5 pads are in. you need the 4 3/8th backing plate for them.


    i just went through all this thats how i know

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