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Pre 84 Trucks 1st gen pickups

78 4 to 5 speed swap

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Old Nov 7, 2007 | 11:44 PM
  #1  
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benyota
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78 4 to 5 speed swap
I am in the process of swapping my 4speed for a 5 speed. The trans bolted up fine, but the crossmember doesn't line up with the bolt holes. both trannys are from a 78 longbed. any help would be appreciated.
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Old Nov 8, 2007 | 07:30 AM
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dropzone
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From: PNW
5 Speeds are about 4" or so longer. You will need to make some new brackets for your crossmembers...not much of a help I know but....
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Old Nov 8, 2007 | 07:49 AM
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SEAIRESCUE
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Where's the 78 5 speed X-member?

If not available, most folks use a 3/8" thick flat plate to extend the
X-member to the transmission mounting holes. Some weld it on and
some use bolts.

Hope this helps.
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Old Nov 8, 2007 | 02:54 PM
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From: Sweet Home, OR
On my truck the PO installed a plate on the cross member to extend back and mount the tranny. Just 4 bolts on the X-member secures it.
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Old Nov 9, 2007 | 06:02 AM
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benyota
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Originally Posted by SEAIRESCUE
Where's the 78 5 speed X-member?

If not available, most folks use a 3/8" thick flat plate to extend the
X-member to the transmission mounting holes. Some weld it on and
some use bolts.


Hope this helps.
I have it, but i guess I still have to make something
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