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Thread: 1967 chevelle 12 bolt

  1. #1
    Senior Member MASTER BUILDER
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    Jan 2006
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    237

    1967 chevelle 12 bolt

    I have a 67 chevelle rearend with moser 33 spline axles,spool and c-clip eliminators. My question is how much power can this thing take. It has 4:88 gears in it and I need 3:73 gears. If it can't take the power I need it to take I would rather sell it before I spend more money on gears and labor.Thanks for any input.

  2. #2
    Senior Member RACING JUNKIE
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    It can take plenty.

  3. #3
    Senior Member MASTER BUILDER
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    what do you call plenty?

  4. #4
    Senior Member RACING JUNKIE
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    I don't know...

    I have one with a strange spool and axles with 5.14 gears in my car . The axle tubes are welded up and it just has a stock cover... I Have no clue the power level but it is a 13:1 540 BBC with a solid roller . Powerglide with a brake..car weighs around 3150-3200 lbs. Ladder bar/ coil overs... 1.31 60 ft

    Never had any problems so far knock on wood, but my car is just a NA bracket turd....

  5. #5
    Senior Member MASTER BUILDER
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    Thanks,I guess I will try it sense I already have it. It just makes me a little nervous because this thing will have about 900lbs of torque in a 3400 pound car.

  6. #6
    Senior Member RACING JUNKIE
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    Wow.....what is it? just curious.


    http://yellowbullet.com/forum/showthread.php?t=84228

    http://yellowbullet.com/forum/showthread.php?t=80295

    Just curious...a 1967 chevelle should have the narrow housing.I think they switched to the wider one officialy in 68 but I have one that I know came factory in a 67 elcamino and it is the same width as the 68 and up rears... hat narrow one isn't too easy to find anymore...might be worth a little bit to a guy restoring an old chevelle. Shame to bust it.

  7. #7
    Senior Member MASTER BUILDER
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    It's a 632 big duke 18* motor with two dominators and we plan on putting a fogger on it also. But that is motor only that we are looking for that much power.

  8. #8
    Senior Member MASTER BUILDER
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    If anyone is interested in the rearend I will sell it if the right offer is made. It is from brake drum to brake drum.It has the brake lines still hooked up with the bracket that bolts to the rearend cover. It has a stock cover on it.

  9. #9
    Senior Member RACING JUNKIE
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    Yeah when I said plenty I never figured on you having the kind of deal that you have... ops:

  10. #10
    Junior Member SHOW GUEST
    Join Date
    Sep 2003
    Location
    Richfield, Oh
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    6

    12 bolt 67 chevelle

    And exaclty what are your intentions of the car? ALL drag race or is this a car that will hit the track once a month and is truely a pro street car that does monster burn outs?

    If you are Drag racing what equipment does this car have as far as suspension and tranmission goodies etc.

    Lets get you some good info here not guesses.

    This rear is already c-clip eliminated so the worth is already partial gone. It has been modified and can never go back to Original condition.

    You have a very good start with the pieces you have in it. As long as the builder has set it up for the conditions you intend on using it for I do not see any trouble. Again I will state suspenion plays a large roll in keeping any rear alive. Tire shake and pinion angle etc. put undo pressure and strains on the internal parts of the rear.

    I would say get some aftermarket caps support cover weld them axle tubes to the center section and if you have stock susupension chevelle you better upgrade to at the very least poly bushings and some type of no hop or geometry changing suspension control arms.

    Need some more info on the car again too. Any aftermarket rear diff will be made beefier with larger and thicker tubes and castings....So if you have money then I would spend it ...sounds like you have the money cause that motor I am sure ain't cheap.

    I can get you deals on Moser stuff if you need help there. Jim
    Jim Mitschke
    J D Race & Restoration
    Richfield, Oh
    J D Race.com

  11. Racing Junk


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