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Thread: MT & AT crossmember

  1. #1
    Aspen and Volare Junior Member
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    MT & AT crossmember

    Is the crossmember support the same for both automatic and manual transmissions?

    I am swapping from a 904 to a 833 trans and trying to get parts kitted. It looks like the mount changes but the cross support is the same.

    Any help is appreciated.
    Thanks!

  2. #2
    Aspen and Volare Super Moderator aspen79's Avatar
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    Yes, there is only one x-member for both auto and stick. My car used to be a 4 speed O/D but became an auto about 30 years ago and I used the original cross member.
    1979 Aspen Sunrise 500". Bought in 1987 with 72,000 miles and a mighty E24 California emission 90hp leaning tower of power/4-speed
    1996 Dakota with a torque monster (not) 3.9L V-6 and automatic owned since 1998. Now demoted to winter duty
    2008 Ford Mustang V6, the new summer daily driver

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    Aspen and Volare Super Member 77rr2x4s's Avatar
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    trans mount should be the same also

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    Aspen and Volare Super Moderator aspen79's Avatar
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    Parts book shows a couple different trans mounts. "W/O HD crossmember 318, W/HD crossmember 318, E56-E57 360 E58 360" but it makes no mention of transmission type. My guess is, the only thing different between all the available p/n' is the rubber rubber part(?) but the actual metal bracket is the same for all engines and transmissions.

    Not to steal your thread but, I wonder what it means by heavy duty crossmember because if I look up the crossmember itself, there is only one p/n, no choices like HD and W/O HD.
    Last edited by aspen79; 05-25-2020 at 03:52 PM.
    1979 Aspen Sunrise 500". Bought in 1987 with 72,000 miles and a mighty E24 California emission 90hp leaning tower of power/4-speed
    1996 Dakota with a torque monster (not) 3.9L V-6 and automatic owned since 1998. Now demoted to winter duty
    2008 Ford Mustang V6, the new summer daily driver

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    Aspen and Volare Super Member 77rr2x4s's Avatar
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    The difference on most of the trans mounts on those years was the bracket welded to the trans mount for exhaust brackets or the tail shaft harmonic weight. They all fit the same way otherwise. https://www.ebay.com/itm/Rear-Transm...AAAOSwDk5T8iTt In 77 the only two mounts shown are for with or without catalytic convertor.
    Last edited by 77rr2x4s; 05-25-2020 at 06:01 PM.

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    Aspen and Volare Super Member 77rr2x4s's Avatar
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    mount

    mount
    Attached Thumbnails Attached Thumbnails mount.jpg  

  7. #7
    Aspen and Volare Super Member 77rr2x4s's Avatar
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    pic
    Attached Thumbnails Attached Thumbnails picmount.jpg  

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    I'm not sure what the difference is between the mounts either. My car is a 225 super six with an A904 (currently getting ready to pull both) when I replaced my original trans mount, the first 2 I tried didn't fit. I ended up ordering the HD bushing and it was a perfect fit. I was ordering parts counter replacements at the time and I can't be certain they weren't pulling from the wrong bin.

  9. #9
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    Quote Originally Posted by 77rr2x4s View Post
    mount
    Do you have a digital copy of the parts catalog? If so, where did you get it? I need to buy a copy.

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