T/A front height

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    Author Topic: T/A front height  (Read 1619 times)

    Offline Jymy

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    T/A front height
    « on: April 06, 2011 - 07:47:17 AM »
    Planning to change my T/A stance back to the original specs... what is the correct front height and where to measure it? From the ground to the front wheel lip in the center? Planning to change the mopar XHD leaf springs in the back and the tires are 235/60/15 in the front and in the back 275/60/15. Is this giving me correct stance also in the back?

    Was the front height in T/A different than the other Challengers?

    Thanks in advance!
    « Last Edit: April 06, 2011 - 07:49:56 AM by Jymy »
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    ...and there goes the Challenger, the last american hero, the soul hero, the demigod, the super driver of the golden west. The last beautiful free soul on this planet!


    Offline HP2

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    Re: T/A front height
    « Reply #1 on: April 06, 2011 - 12:07:53 PM »
    To return to factory spec, you measure the height from the ground to the lower ball joint and the ground to the t-bar socket. The t-bar socket should be something like 1.25-1.5 HIGHER than teeh ball joint. I do not recall the exact spec of this difference, but it is different between teeh car lines (A,B,C,E), nor do I know if the AAR/TA twins had a different ride height than standard E bodies.
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    Offline challengermaniac

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    Re: T/A front height
    « Reply #2 on: April 09, 2011 - 02:39:26 PM »
    The rear of the TA Challenger was higher than the other models to accomodate the low side exhaust.   You will need to take into consideration the difference in stock tire sizes to what is on your car today in order to come up with the perfect heigth. 

    If you haven't already, I recommend you contact Barry Washington with the challengertaregistry.com and/or his email of: sixpak340@att.net.  Another reference point is the hamtramck-historical.com web site which Barry also coordinates. 
    « Last Edit: April 09, 2011 - 08:11:02 PM by challengermaniac »
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    Charlie
    70 Challenger 340/4 Purple
    70 Challenger T/A Red
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    Offline brads70

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    Re: T/A front height
    « Reply #3 on: April 09, 2011 - 05:08:58 PM »
    Post the results when you find out if you would? I'm curious too?
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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 HP2

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    Re: T/A front height
    « Reply #4 on: April 09, 2011 - 07:02:21 PM »
    The factory spec on front ride height from my 74 FSM is 1 7/8".

    The Mopar XHD may not duplicate the rear heght exactly on the T/A, because, like challengermaniac pointed out, the trans am cars had higher ride height springs on the back comapred to other E bodies.
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    Offline brads70

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    Re: T/A front height
    « Reply #5 on: April 09, 2011 - 07:13:33 PM »
    Quote from: HP2 on April 09, 2011 - 07:02:21 PM
    The factory spec on front ride height from my 74 FSM is 1 7/8".

    The Mopar XHD may not duplicate the rear heght exactly on the T/A, because, like challengermaniac pointed out, the trans am cars had higher ride height springs on the back comapred to other E bodies.

    1 7/8 from were to were?  :dunno:
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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 barracuda7199

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    Re: T/A front height
    « Reply #6 on: April 09, 2011 - 10:39:45 PM »
    Quote from: HP2 on April 06, 2011 - 12:07:53 PM
    To return to factory spec, you measure the height from the ground to the lower ball joint and the ground to the t-bar socket. The t-bar socket should be something like 1.25-1.5 HIGHER than teeh ball joint. I do not recall the exact spec of this difference, but it is different between teeh car lines (A,B,C,E), nor do I know if the AAR/TA twins had a different ride height than standard E bodies.
    the 1 7/8 would be the difference between the two points in this post brad. point a ground to lower ball joint point b ground to T bar socket. not sure if its center or bottom of but if u go to the same point on both it doesn't matter where u get your measurement from.
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    Brandon

    71 Barracuda 440 727                                                                 
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    Offline brads70

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    Re: T/A front height
    « Reply #7 on: April 09, 2011 - 10:51:09 PM »
    Quote from: barracuda7199 on April 09, 2011 - 10:39:45 PM
    the 1 7/8 would be the difference between the two points in this post brad. point a ground to lower ball joint point b ground to T bar socket. not sure if its center or bottom of but if u go to the same point on both it doesn't matter where u get your measurement from.

    Ah thanks that clears it up! Sorry, I missed that post. :banghead:   Where exactly on the ball joint? The center of the ball? bottom of the ball joint? casting line?
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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 HP2

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    Re: T/A front height
    « Reply #8 on: April 10, 2011 - 10:46:44 AM »
    They show the bottom of both parts, not to include the grease zerk, if you have one.
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    Offline brads70

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    Re: T/A front height
    « Reply #9 on: April 10, 2011 - 02:56:07 PM »
    Quote from: HP2 on April 10, 2011 - 10:46:44 AM
    They show the bottom of both parts, not to include the grease zerk, if you have one.

    That clears it up! Thanks!  :2thumbs:
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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 front height
    « Reply #10 on: April 18, 2011 - 02:20:40 AM »
    Thanks for the info. I also found this SCCA doc from Barry´s web site:

    http://www.challengertaregistry.com/photos/scca/6.jpg

    Is this only for SCCA racing spec or does this apply the factory set up as well?
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    ...and there goes the Challenger, the last american hero, the soul hero, the demigod, the super driver of the golden west. The last beautiful free soul on this planet!

    Offline HP2

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    Re: T/A front height
    « Reply #11 on: April 18, 2011 - 09:49:57 AM »
    Barry can confirm, but I would say with the FIA record number, optional rim and tire size application form, and the text stating that setting of this specific ride height is to used use solely for determining track width, that this is an SCCA technical data sheet and not a factory set up document.
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