T/A and AAR fast ratio arm question?

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    Author Topic: T/A and AAR fast ratio arm question?  (Read 4846 times)

    Offline brads70

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    T/A and AAR fast ratio arm question?
    « on: December 31, 2010 - 04:40:52 PM »
    I was on another site and someone commented that these arms are just C-Body parts? ( pitman and Idler arms) Any truth to that? :dunno:
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    Brad
    1970 Challenger 451stroker/4L60 auto OD
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    Proud to own one of the best cars ever made!!!!!

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    Offline autoxcuda

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    Re: T/A and AAR fast ratio arm question?
    « Reply #1 on: December 31, 2010 - 08:06:10 PM »
    Quote from: brads70 on December 31, 2010 - 04:40:52 PM
    I was on another site and someone commented that these arms are just C-Body parts? ( pitman and Idler arms) Any truth to that? :dunno:

    Idler, yes.

    Pitman has different spline clocking. So if you put a C-body pitman on your car it will not turn the car enough in one direction, but too much in the other direction. AND the taper on the pitman ball joint end is bigger than the taper on the E-body center link (B and A body too for that matter).
    « Last Edit: January 01, 2011 - 01:28:01 PM by autoxcuda »
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    Offline brads70

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    Re: T/A and AAR fast ratio arm question?
    « Reply #2 on: January 01, 2011 - 01:00:56 AM »
    Cool thanks! :2thumbs: Wish I would have asked that before I bought both pieces from firm feel. :grinyes:
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    Brad
    1970 Challenger 451stroker/4L60 auto OD
    Barrie,Ontario,Canada
    Proud to own one of the best cars ever made!!!!!

    My restoration thread 
    http://www.cuda-challenger.com/cc/index.php?topic=59072.0
     My handling upgrade post
    http://www.cuda-challenger.com/cc/index.php?topic=73985.0

    Offline brads70

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    Re: T/A and AAR fast ratio arm question?
    « Reply #3 on: January 01, 2011 - 12:00:39 PM »
    Quote from: autoxcuda on December 31, 2010 - 08:06:10 PM
    Idler, yes.

    Pitman has different spline clocking. So if you put a C-body pitman on your car it will not turn the car enough in one direction, but too much in the other direction. AND the taper on the pitman ball joint end is bigger than the taper on the center link.

    What year(s) of C-Body Idler arm? I'm assuming they are different through out the years?
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    Brad
    1970 Challenger 451stroker/4L60 auto OD
    Barrie,Ontario,Canada
    Proud to own one of the best cars ever made!!!!!

    My restoration thread 
    http://www.cuda-challenger.com/cc/index.php?topic=59072.0
     My handling upgrade post
    http://www.cuda-challenger.com/cc/index.php?topic=73985.0

    Offline autoxcuda

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    Re: T/A and AAR fast ratio arm question?
    « Reply #4 on: January 01, 2011 - 01:26:40 PM »
    Quote from: brads70 on January 01, 2011 - 12:00:39 PM
    What year(s) of C-Body Idler arm? I'm assuming they are different through out the years?

    I believe 71 C-body. Like 71 Polara.

    Getting the C-body pitman to work would be a project. Don't think it's worth it.
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    Offline brads70

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    Re: T/A and AAR fast ratio arm question?
    « Reply #5 on: January 01, 2011 - 03:15:09 PM »
    Quote from: autoxcuda on January 01, 2011 - 01:26:40 PM
    I believe 71 C-body. Like 71 Polara.

    Getting the C-body pitman to work would be a project. Don't think it's worth it.

    Cool great info! :2thumbs:
    I see 1965-73 Polara use the same idler arm Moog K7014
    So the tapered end fits in the e-body center/drag link OK? Just asking as it seems C-Body stuff seems to be bigger?
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    Brad
    1970 Challenger 451stroker/4L60 auto OD
    Barrie,Ontario,Canada
    Proud to own one of the best cars ever made!!!!!

    My restoration thread 
    http://www.cuda-challenger.com/cc/index.php?topic=59072.0
     My handling upgrade post
    http://www.cuda-challenger.com/cc/index.php?topic=73985.0

    Offline autoxcuda

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    Re: T/A and AAR fast ratio arm question?
    « Reply #6 on: January 01, 2011 - 06:14:37 PM »
    Quote from: brads70 on January 01, 2011 - 03:15:09 PM
    Cool great info! :2thumbs:
    I see 1965-73 Polara use the same idler arm Moog K7014
    So the tapered end fits in the e-body center/drag link OK? Just asking as it seems C-Body stuff seems to be bigger?

    No the taper on the C-body pitman will not fit to my recollection. The taper on the pitman ball joint end is bigger on the C-body than the taper on the E-body center link (B and A body too for that matter).

    You could look at a new C-body pitman and bring your centerlink to the parts store to confirm before you buy?

    I have a used junkyard C-body pitman (I got out of curiousity) and a E-body centerlink, but I won't be able to get to them until Tuesday. If I remember.
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    Offline brads70

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    Re: T/A and AAR fast ratio arm question?
    « Reply #7 on: January 01, 2011 - 06:32:09 PM »
    No hurry I was just curious. I have a new one to go on the car from firm feel. I was just curious what it's off of for when it wears out.
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    Brad
    1970 Challenger 451stroker/4L60 auto OD
    Barrie,Ontario,Canada
    Proud to own one of the best cars ever made!!!!!

    My restoration thread 
    http://www.cuda-challenger.com/cc/index.php?topic=59072.0
     My handling upgrade post
    http://www.cuda-challenger.com/cc/index.php?topic=73985.0

    Alaskan_TA

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    Re: T/A and AAR fast ratio arm question?
    « Reply #8 on: January 01, 2011 - 06:38:20 PM »
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    Offline autoxcuda

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    Re: T/A and AAR fast ratio arm question?
    « Reply #9 on: January 01, 2011 - 06:40:25 PM »
    Quote from: brads70 on January 01, 2011 - 06:32:09 PM
    No hurry I was just curious. I have a new one to go on the car from firm feel. I was just curious what it's off of for when it wears out.

    That Firm Feel pitman is special and unique. It's not a repackaged piece off another car.

    Not 100% sure the dimensions of the casting is the same as a 71 C-body. Just because a modified C-body pitman could "work", doesn't mean it's going to work well.
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    Offline brads70

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    Re: T/A and AAR fast ratio arm question?
    « Reply #10 on: January 01, 2011 - 07:00:32 PM »
    Thanks Guys! I was thinking I just paid big bucks for a C-Body idler arm.
    Barry,I assume you can't get those parts anymore to build a quick ratio box?
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    Brad
    1970 Challenger 451stroker/4L60 auto OD
    Barrie,Ontario,Canada
    Proud to own one of the best cars ever made!!!!!

    My restoration thread 
    http://www.cuda-challenger.com/cc/index.php?topic=59072.0
     My handling upgrade post
    http://www.cuda-challenger.com/cc/index.php?topic=73985.0

    Alaskan_TA

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    Re: T/A and AAR fast ratio arm question?
    « Reply #11 on: January 01, 2011 - 07:13:03 PM »
    I prefer manual steering, so I have not looked for any of the PS parts - fast ratio or otherwise.  :dunno:
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    Offline brads70

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    Re: T/A and AAR fast ratio arm question?
    « Reply #12 on: January 01, 2011 - 07:20:08 PM »
    Here is the other site I'm getting "information  ::) " from? :lol: Have a look and tell me what you think? They are circle track racers.
    http://www.moparchat.com/forums/showthread.php?p=812481&posted=1#post812481
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    Brad
    1970 Challenger 451stroker/4L60 auto OD
    Barrie,Ontario,Canada
    Proud to own one of the best cars ever made!!!!!

    My restoration thread 
    http://www.cuda-challenger.com/cc/index.php?topic=59072.0
     My handling upgrade post
    http://www.cuda-challenger.com/cc/index.php?topic=73985.0

    Offline Jymy

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    Re: T/A and AAR fast ratio arm question?
    « Reply #13 on: January 02, 2011 - 05:15:36 AM »
    I´m having 20:1 manual steering gearbox installed in my T/A. I´m also having these new firm feel fast ratio pitman and idler arms lying around in my garage.

    Couple of questions:

    -What was the original T/A set up (24:1 or 20:1) for manual steering from the factory?
    -Was the fast ratio arms installed from the factory with manual steering or only with power steering?
    -Are these firm feel fast ratio arms ok to be installed with my manual steering with 20:1 gearbox?
    -How much quicker these fast ratio arms make the steering wheel turns from lock to lock?

    Thanks!
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    Offline autoxcuda

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    Re: T/A and AAR fast ratio arm question?
    « Reply #14 on: January 02, 2011 - 05:27:57 AM »
    Quote from: brads70 on January 01, 2011 - 07:20:08 PM
    Here is the other site I'm getting "information  ::) " from? :lol: Have a look and tell me what you think? They are circle track racers.
    http://www.moparchat.com/forums/showthread.php?p=812481&posted=1#post812481


    I've known people that actually have filed the master clocking splines off a C-body arm to get it to fit. But I will admit that is still second hand info. I have talked to Dick Ross at Firm Feel and he even makes his Quick Ratio arm with no clocking to so you can install it as you please. I just don't think Dick would go to the effort of making up a Quick Ratio arms if the C-body piece would just bolt in and work.

    The guy on Moparchat is put it on e 78 Cordoba which calls for a different part number pitman than a 73-74 large spline E-body pitman. Interesting to know what the angle of his centerlink looked like too.

    I put a 71 E-body pitman on my 68 Baracuda cause it looked similar. Then drove it 1600 miles across country. The car never burned up in flames once... BUT the alignment guy was sharp enough to spot the centerlink was not level with the chassis.
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