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Thread: Bolt in 9" for an MM?...

  1. #1
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    Bolt in 9" for an MM?...

    ...I'm sure I know the answer, but was there ever a bolt in 9" rear axle assembly for any Panther ('79-2007), or does anyone make one?
    1957 Custom 2 dr Sedan, 1979 F-series 14' U-Haul 330 XD, 1979 F150 4X4 428 PI/CJ heads/NP 435/4:11 axles-rear Det. Lkr., 1993 Grand Marquis, Y2K CVPI supercharged 5.4, 2003 MM

    The more I learn, the more I find out I don't know.

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    Home of the Berserker Marauder, one of the ancient Norse warriors legendary for working themselves into a frenzy before a battle and fighting with reckless savagery and insane fury, held to be invulnerable...shirtless regardless of wounds...(possibly due to ingestion of psychotropic and hallucinatory drugs such as Fly Agaric Mushrooms)...

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  2. #2
    Quote Originally Posted by GreekGod View Post
    ...I'm sure I know the answer, but was there ever a bolt in 9" rear axle assembly for any Panther ('79-2007), or does anyone make one?
    Any thing is possible if your pockets can stand it

  3. #3
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    Check with Moser.

    http://www.moserengineering.com/

    My son just got a Ford 9" bolt-in replacement for his '99 Camaro. It wasn't cheap.
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  4. #4
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    Stock for stock, the 8.8 should be every bit as strong as a 9 (of course comparing 31 spline 8.8 to 31 spline 9). Are you planning on running faster than 10s in the 1/4 or something?
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  5. #5
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    As far as I know, nobody makes a 9" conversion for an MM rear axle assembly. I want a bolt in replacement for the convenience of a removable center section, roller bearings that don't ride on the axle-shaft (semi-floating), or possibly full-floating axles, like NASCAR uses.

    The Salisbury (integral) design is a cheap and unsafe substitute for a 9". The axle-shafts are retained by C-clips, rather than a pressed on bearing and bolted on retainer plate. That's why safety hubs are recommended for dragracing an 8.8".
    1957 Custom 2 dr Sedan, 1979 F-series 14' U-Haul 330 XD, 1979 F150 4X4 428 PI/CJ heads/NP 435/4:11 axles-rear Det. Lkr., 1993 Grand Marquis, Y2K CVPI supercharged 5.4, 2003 MM

    The more I learn, the more I find out I don't know.

    Confusion will be my epitaph...

    Home of the Berserker Marauder, one of the ancient Norse warriors legendary for working themselves into a frenzy before a battle and fighting with reckless savagery and insane fury, held to be invulnerable...shirtless regardless of wounds...(possibly due to ingestion of psychotropic and hallucinatory drugs such as Fly Agaric Mushrooms)...

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  6. #6
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    I agree. The C-clip axles/cariers are not as strong as the 9".
    A plus for the 8.8" is the repositioning of pinion/ring geer to improve power tranfer loss.
    Right now there is so much end play on the right rear axle on my car that it actually pushes back the piston in the brake caliper - been that way for at least 40k miles. The first time the axle was replaced it was because it moved in and out over an 1/8". Replaced the axle and repacked the clutches in the rear and it still had the play even after trying thicker C-clips to eliminate the play. Just waiting for it to blow under the extended waranty.
    Last edited by Krytin; 04-21-2007 at 07:01 PM. Reason: Greek God type faster than me!
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  7. #7
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    Have a custom 8.8" built with the 8.8" center section and 9" axle tubes & ends. If you go with a 9" it's going to be difficult to get the mounting stud setup for the watts link.
    Thanks to Darrin @ BC Automotive:
    $1800 and it was worse than when he started!

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  8. #8
    i think its way overkill and price does not justify it

  9. #9
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    Quote Originally Posted by FordNut View Post
    Have a custom 8.8" built with the 8.8" center section and 9" axle tubes & ends. If you go with a 9" it's going to be difficult to get the mounting stud setup for the watts link.
    9" axle tubes and ends sounds like the best alternative method to get increased safety and lose the C-clips, while eliminating the expense of converting the whole assembly.

    It would have been handy if the first year Panthers had the 9".
    1957 Custom 2 dr Sedan, 1979 F-series 14' U-Haul 330 XD, 1979 F150 4X4 428 PI/CJ heads/NP 435/4:11 axles-rear Det. Lkr., 1993 Grand Marquis, Y2K CVPI supercharged 5.4, 2003 MM

    The more I learn, the more I find out I don't know.

    Confusion will be my epitaph...

    Home of the Berserker Marauder, one of the ancient Norse warriors legendary for working themselves into a frenzy before a battle and fighting with reckless savagery and insane fury, held to be invulnerable...shirtless regardless of wounds...(possibly due to ingestion of psychotropic and hallucinatory drugs such as Fly Agaric Mushrooms)...

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  10. #10
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    Quote Originally Posted by FordNut View Post
    Have a custom 8.8" built with the 8.8" center section and 9" axle tubes & ends. If you go with a 9" it's going to be difficult to get the mounting stud setup for the watts link.
    Been there, broke that.

    Just build a 9 inch amd suck it up.

  11. #11
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    You should be able to have a 9" built for anything. there are a number of places that can do it. Won't be inexpensive.

    It there was a 9" used in a '79 panther do not expect it to fit a 2003 or 2004 Panther.

    While the "Panther" platform has been around since 1979, it has undergone many changes and revisions. Do not believe otherwise.
    Member Number 32

    Originally posted by TripleTransAm
    An interesting side note: this isn't the same forum I used to post on for years, and I've been doing a lot of reading over the past 48 hours on both sites. Looks like there's been a serious splintering. I never thought it'd be possible for this to happen to a group of owners of a car model that sold no more than 14000 copies over 2 model years. Kind of scary, when thinking of the scale. Makes one think that maybe it'd be a good idea to do some introspection and think about what each of us needs to do to build a solid community, analyze what it is we're all honestly looking for by belonging to this community.

  12. #12
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    Quote Originally Posted by RCSignals View Post
    You should be able to have a 9" built for anything. there are a number of places that can do it. Won't be inexpensive.

    It there was a 9" used in a '79 panther do not expect it to fit a 2003 or 2004 Panther.

    While the "Panther" platform has been around since 1979, it has undergone many changes and revisions. Do not believe otherwise.

    I don't want a 9" built, I want one that has already been made, and will bolt in.

    I understand I can have one built, I could do it myself for that matter. I want a NASCAR type bolt-in assembly with thick wall 3" tubes, a back brace, full floating 3/4 ton large bearing axle ends, a HD banjo housing, gun-drilled axles, Daytona pinion bearing retainer with solid pre-load spacer, Detroit locker, Wilwood rotors, ABS toothed wheel adapted, and a no-hassle, proper pinion angle, bolt in assembly that I can change out in about 4 hours.

    Time is money to me. If I could find one with everything, to go, it would be well worth the extra expense. Of course, with the lack of a volume buying public, it likely won't pay a rear end specialist to build a production jig and brackets.
    1957 Custom 2 dr Sedan, 1979 F-series 14' U-Haul 330 XD, 1979 F150 4X4 428 PI/CJ heads/NP 435/4:11 axles-rear Det. Lkr., 1993 Grand Marquis, Y2K CVPI supercharged 5.4, 2003 MM

    The more I learn, the more I find out I don't know.

    Confusion will be my epitaph...

    Home of the Berserker Marauder, one of the ancient Norse warriors legendary for working themselves into a frenzy before a battle and fighting with reckless savagery and insane fury, held to be invulnerable...shirtless regardless of wounds...(possibly due to ingestion of psychotropic and hallucinatory drugs such as Fly Agaric Mushrooms)...

    ΓρεεκΓοδ

  13. #13
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    Quote Originally Posted by GreekGod View Post
    I don't want a 9" built, I want one that has already been made, and will bolt in.

    I understand I can have one built, I could do it myself for that matter. I want a NASCAR type bolt-in assembly with thick wall 3" tubes, a back brace, full floating 3/4 ton large bearing axle ends, a HD banjo housing, gun-drilled axles, Daytona pinion bearing retainer with solid pre-load spacer, Detroit locker, Wilwood rotors, ABS toothed wheel adapted, and a no-hassle, proper pinion angle, bolt in assembly that I can change out in about 4 hours.

    Time is money to me. If I could find one with everything, to go, it would be well worth the extra expense. Of course, with the lack of a volume buying public, it likely won't pay a rear end specialist to build a production jig and brackets.
    Contact Moser Engineering. See the pics of the 9" Ford bolt-in from Moser for a 4th Gen Camaro here:

    http://www.horsepowerjunkies.com/for...highlight=ford

    Took us a weekend to install. Waiting on a custom driveshaft.
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  14. #14
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    Quote Originally Posted by GreekGod View Post
    I don't want a 9" built, I want one that has already been made, and will bolt in.

    I understand I can have one built, I could do it myself for that matter. I want a NASCAR type bolt-in assembly with thick wall 3" tubes, a back brace, full floating 3/4 ton large bearing axle ends, a HD banjo housing, gun-drilled axles, Daytona pinion bearing retainer with solid pre-load spacer, Detroit locker, Wilwood rotors, ABS toothed wheel adapted, and a no-hassle, proper pinion angle, bolt in assembly that I can change out in about 4 hours.

    Time is money to me. If I could find one with everything, to go, it would be well worth the extra expense. Of course, with the lack of a volume buying public, it likely won't pay a rear end specialist to build a production jig and brackets.
    Well after Marty has one built they'll be all ready for yours I guess
    Member Number 32

    Originally posted by TripleTransAm
    An interesting side note: this isn't the same forum I used to post on for years, and I've been doing a lot of reading over the past 48 hours on both sites. Looks like there's been a serious splintering. I never thought it'd be possible for this to happen to a group of owners of a car model that sold no more than 14000 copies over 2 model years. Kind of scary, when thinking of the scale. Makes one think that maybe it'd be a good idea to do some introspection and think about what each of us needs to do to build a solid community, analyze what it is we're all honestly looking for by belonging to this community.

  15. #15
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    I just got an answer...

    ...John Kuhn suggested I call Paul's High Performance (http://www.paulshp.com/). I just got off the phone with Paul and he gave me the low-down. The 9" is a poor fit for many reasons (too wide in the front, interferes with the gas tank, trouble fitting brackets, etc).

    I was surprized to learn he has done several conversions with the Ford truck (Super-Duty?) 9 3/4".They made their own brackets.

    He said the 8.8" is over-all too light duty, including the axle tubes, and 500 hp is the limit, at best. I know many think the 8.8" is more than adequate, but the more manly, he-man types want real over-kill. No girly-man, GM knock-off, axle-eating roller bearing embarrassment copies.

    Now, I'd like to see a photo essay of the whole 9 3/4" build and conversion. I don't expect too much, do I?
    Last edited by GreekGod; 04-23-2007 at 02:17 PM. Reason: spelling
    1957 Custom 2 dr Sedan, 1979 F-series 14' U-Haul 330 XD, 1979 F150 4X4 428 PI/CJ heads/NP 435/4:11 axles-rear Det. Lkr., 1993 Grand Marquis, Y2K CVPI supercharged 5.4, 2003 MM

    The more I learn, the more I find out I don't know.

    Confusion will be my epitaph...

    Home of the Berserker Marauder, one of the ancient Norse warriors legendary for working themselves into a frenzy before a battle and fighting with reckless savagery and insane fury, held to be invulnerable...shirtless regardless of wounds...(possibly due to ingestion of psychotropic and hallucinatory drugs such as Fly Agaric Mushrooms)...

    ΓρεεκΓοδ

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