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Thread: bigger, big brakes

  1. #1
    My screen name is GREEN, Bitches ! 88grandmarq's Avatar
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    Default bigger, big brakes

    several guys on MM.net figured out how to run 14" Mustang rotors on the newer panther chassis spindles.

    Basically, you need to have the 98-2002 big brakes already on your car.
    all you do is buy a machined adapter that allows Corvette C5 front calipers and brackets to bolt to the spindle along with a 14" rotor from a mustang GT500. Marty at MO's speed shop keeps the adpaters in stock.

    THIS WILL REQUIRE 18" WHEELS OR LARGER

    here is the original post on MM.net with the parts list --> https://www.mercurymarauder.net/foru...ad.php?t=94024
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    GMN Founder Grand Marquis GT's Avatar
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    Aren’t these for the 03+ cars only?

    I remember these. And I am willing to bet something can be made similar for 98-02 brakes using the same principle.
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    Quote Originally Posted by Grand Marquis GT View Post
    Arenít these for the 03+ cars only?
    Yes, I have '05 calipers and brackets and they do not mount to the "big brake" spindles we can use on the boxes.


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    My screen name is GREEN, Bitches ! 88grandmarq's Avatar
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    Quote Originally Posted by BlackVic_P71 View Post
    Yes, I have '05 calipers and brackets and they do not mount to the "big brake" spindles we can use on the boxes.


    LOUD EXHAUST IS FUN! AM I SHOUTING?
    I was under the impression it worked, but havent eyeballed anything in person.

    when you say the calipers dont mount... how do you mean?
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    Member of the Orb Alliance packman's Avatar
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    Is the front suspension for a Marauder any different than a Grand Marquis? If not, I would love to upgrade the brakes on my '05 MGM. That is the only thing that I absolutely hate about that car.

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    Quote Originally Posted by packman View Post
    Is the front suspension for a Marauder any different than a Grand Marquis? If not, I would love to upgrade the brakes on my '05 MGM. That is the only thing that I absolutely hate about that car.
    suspension and brakes are the same.
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    That kit is for the 03 and up panthers only i think. If someone would make custom brackets for the 98-02 that would be cool. Maybe we could ask adtr if he could design something up.

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    The holes for the brackets don't match up.
    Blue one belongs to '02, plain one is '05

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    Quote Originally Posted by BlackVic_P71 View Post
    The holes for the brackets don't match up.
    Blue one belongs to '02, plain one is '05

    LOUD EXHAUST IS FUN! AM I SHOUTING?
    But wouldn’t the hole need to match up to the bigger or newer calipers and not the 05 ones. On the 03 plus/ marauder upgrade they use the corvette calipers. So it would need adapter from the 98-02 to the corvette calipers brakets
    Last edited by Elias; 06-13-2018 at 08:30 PM.

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    Quote Originally Posted by Elias View Post
    But wouldn’t the hole need to match up to the bigger or newer calipers and not the 05 ones. On the 03 plus/ marauder upgrade they use the corvette calipers
    The kit uses adapters to put the Corvette caliper on the '03+ spindle, you would need adapters for the adapters
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  11. #11
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    The spacing difference is fairly small, possible the adapters could be fabricated with the proper spacing. Not sure you'd be able to modify them, it would end up with one oblong hole but it would be a relatively minor production change to make versions with different bolt spacing.

    It would probably be worth trying to mock it up, even if it only had one bolt in there temporarily, just to see if anything else would need to be changed in order to make it fit. Possibly the distance from the spindle mount point to the centerline of the rotor is not the same.

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    Quote Originally Posted by BlackVic_P71 View Post
    The kit uses adapters to put the Corvette caliper on the '03+ spindle, you would need adapters for the adapters
    Why would u need a adapter for the adapter. What im saying is we start with a 98-02 spindle and from there make a adapter that mount directly to the vet calipers i see no need in trying to use a adapter for a adapter. I would think it might make it weaker at the mounting points

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    Quote Originally Posted by Elias View Post
    What im saying is we start with a 98-02 spindle and from there make a adapter that mount directly to the vet calipers i see no need in trying to use a adapter for a adapter.
    So, get custom adapters. The thing about this kit is that it was for 2003+ so there are no readily available parts for 2002-.



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    I have been able to confirm with Marty at MO's speed shop, he has had brackets made to bolt the corvette calipers to the 98-2002 crown vic/grandmarquis spindles. So far the brackets have been successfully test fit on a set of spindles, but a full install has not been completed yet.

    I have asked marty to send me pricing details and pictures.
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    WHY must you TEMPT me with this right as I'm parts-collecting for my Big Brake upgrade!?!? I think I remember this being mentioned in another thread and I got excited and was told there was no way to bolt the stuff to the '94 or '02 spindles (is there any difference between them?). Keep us updated on costs asap, please.
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    Member of the Orb Alliance packman's Avatar
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    LOL I think Marty unwittingly tapped into an undiscovered market.

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    Quote Originally Posted by 88grandmarq View Post
    I have been able to confirm with Marty at MO's speed shop, he has had brackets made to bolt the corvette calipers to the 98-2002 crown vic/grandmarquis spindles. So far the brackets have been successfully test fit on a set of spindles, but a full install has not been completed yet.

    I have asked marty to send me pricing details and pictures.
    Keep us updated for sure.
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  18. #18
    My screen name is GREEN, Bitches ! 88grandmarq's Avatar
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    Quote Originally Posted by sxcpotatoes View Post
    WHY must you TEMPT me with this right as I'm parts-collecting for my Big Brake upgrade!?!? I think I remember this being mentioned in another thread and I got excited and was told there was no way to bolt the stuff to the '94 or '02 spindles (is there any difference between them?). Keep us updated on costs asap, please.
    Just remember, you need 18" or larger wheels to clear the brakes.
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  19. #19
    My screen name is GREEN, Bitches ! 88grandmarq's Avatar
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    Quote Originally Posted by packman View Post
    LOL I think Marty unwittingly tapped into an undiscovered market.
    nothing Marty does is "unwittingly"... he just hasnt had time to develop the kit.
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  20. #20
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    Then he can count on at least me bugging him for those adapters; one for my '05 MGM and the other for my '86 CV which is getting its big(ger) brake upgrade; when that one is tested and out in the market.

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