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  1. #1
    Join Date
    Feb 2012
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    Default 73 Camaro rear end

    I have found a rear end with a 4.10 posi and disk brakes from a post 81 Camaro. Suppose I cut the coil holders off and mount a carrier for the leaf springs. Will it fit? If so, reason not to do this?



  2. #2
    Join Date
    Jan 2006
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    Oregon
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    1,593
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    Post '81 meaning '82 through '92 for the third generation or '93-'02 for the fourth generation? What size ring gear, 7.5", 7.625", 8.5"? 10-bolt or Borg Warner 9-bolt? Do you have any more information and/or pictures of the rear end, ID tag, etc?

    Tobin
    KORE3
    It's what I does.

  3. #3
    Join Date
    Jun 2006
    Location
    Katy,TX
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    1,337

    Default

    Not sure if 73s were too early for 8.5" 10 bolt and had an 8.2 but that is still better than the 7.5" etc late model ones.
    1978 Black Trans Am 455 Edelbrock heads 10.99@124.5 through mufflers on pump gas
    1981 Trans Am 400 stock type motor
    79 Camaro getting a 500" 695 hp IA2 Pontiac motor
    1965 GTO project car
    470ci/Chevy dual quad 409 604 HP 64 Impala SS project
    2004 Pulse Red GTO

  4. #4
    Join Date
    Jul 2010
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    Sacramento, CA
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    The third and fourth gen f-body rear ends are substantially weaker than the stock 2nd gen rear end. If all you're after is disc brakes, you can bolt the late fourth gen brakes right on to the 2nd gen axle.
    -James

    1974 Z28 SCCA C Prepared
    1990 Firebird NASA CMC
    2005 Mustang GT SCCA F-Street (new for 2015)
    1989 Civic Si SCCA STC

  5. #5
    Join Date
    Jun 2010
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    Deployed
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    Quote Originally Posted by SLO_Z28 View Post
    The third and fourth gen f-body rear ends are substantially weaker than the stock 2nd gen rear end. If all you're after is disc brakes, you can bolt the late fourth gen brakes right on to the 2nd gen axle.


    1979-81 Trans Am rear disc is an easy swap.

  6. #6
    Join Date
    Oct 2004
    Location
    Pittsburgh, PA
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    Quote Originally Posted by Skip Fix View Post
    Not sure if 73s were too early for 8.5" 10 bolt and had an 8.2 but that is still better than the 7.5" etc late model ones.
    My 73 has the corporate 8.5" 10 bolt...

    Here is a cut a paste from an article discussing where to find the corporate 10 bolt:

    You can find a 10-bolt 8.5-inch differential in any of these cars or trucks:

    1971-'76 Chevrolet full-size cars
    1994-'96 Impala
    1971-'81 Buick full-size cars
    1973-'77 Buick Gran Sport
    1972-'77 Pontiac GTO and Le Mans
    1970-'81 Chevy Camaro and Z28
    1970-'81 Pontiac Firebird
    1971-'77 Olds Cutlass and F-85 and Pontiac Grand Prix
    1971-'79 Chevy II, Nova, Buick Skylark and Olds Omega
    1973-'77 Chevelle, Malibu and El Camino
    1971-'77 Pontiac Ventura and Phoenix
    1971-'81 Pontiac Bonneville
    1973-'77 Monte Carlo
    1973-'77 Buick Apollo, Regal and Century
    1980-'94 Chevy -ton and -ton pickups
    1977-'94 GMC Jimmy and Chevy Blazer
    Nick DiPrenda

  7. #7
    Join Date
    Aug 2005
    Location
    Hamilton, NJ
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    3,920
    Country Flag: Swaziland

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    2nd gen OE rears

    1970 - 8.2" 10 bolt; 12 bolt
    1971-1981 - 8.5" 10 bolts only

    1982+ up f-body rears are junk.
    Scott from NJ. Stay thirsty, my friends

    Vent Windows Forever! ... My junk, featuring the Red Dragon ... NastyZ28 ... NJ Camaros & Firebirds

    Feather-light suspension, Konis just couldn't hold
    I'm so glad I took a look inside your showroom doors



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