need crossmember help bad
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New User
Joined: Sep 2006
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need crossmember help bad
hello fomoco bros,i swapped my 4 speed for a c6 in my 77 f250 4x4.i need to know which cross member to use..i got all the gear from a 79.drive lines and all will it work ? it seems to all bolt up except the trans cross member, as i now have a married t/c.i need to get back to work.please contact me asap.i need to get to work soon.
Last edited by LxMan1; Sep 15, 2006 at 10:27 PM. Reason: Removed phone number
New User
Joined: Jan 2008
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Welcome to the site 
What are the last 6 digits of the VIN ?
We need to know the build date to answer as the 77 year was date sensitive.
Also, may I direct you towards the Read First FAQ thread.
It will help you with "your time" on FTE
It isn't wise to post you Ph # on the internet.
FTE also prefers all tech info stay on the site.
What are the last 6 digits of the VIN ?
We need to know the build date to answer as the 77 year was date sensitive.
Also, may I direct you towards the Read First FAQ thread.
It will help you with "your time" on FTE
It isn't wise to post you Ph # on the internet.
FTE also prefers all tech info stay on the site.
Posting Guru
Joined: Sep 2003
Posts: 1,192
Likes: 1
From: lino lakes, mn
you will need the crossmember from the 79 tranny because it has a dropped area for the front drive shaft and you will probably have to drill new holes for it the drive shaft will probablt be a costom job unless you put the high pinion front axle in
Elder User
Joined: Feb 2006
Posts: 694
Likes: 1
From: New Gretna, New Jersey
I would bolt the 79 crossmember to the trans ion the truck, then see where it sits in the framerails. That is more than likely where you will need it to be. As plow said, the d-shaft may be a bit tricky. I'm assuming you have an early 77 cuz you said you NOW have a married t-case setup. The low pinion front end your truck has may make the d-shaft hit the crossmember. You might have to notch it out.
