Clarify auto transmission mod.
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Fleet Mechanic
Joined: Jan 2014
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Clarify auto transmission mod.
I think that I had the wrong idea regarding repositioning of the crossmember in my 66 f250 when replacing the three speed with a c6. I had in mind, the transmission mount which is bolted, not riveted. Upon retrieving the tranny from a '71, I believe the members here were referring to the large crossmember adjacent to the cab mounts. Is that the one which I should change the rivets (6 or 8) to bolts that will allow me to pull the trans from underneath?? We ended up pulling the engine and going out the front in any case. But, if someone would clarify this for me to make sure I got it right this time!
Mountain Pass
Joined: Nov 2013
Posts: 150
Likes: 1
From: Sacramento
crossmember
I just pulled and replaced the C6 in the 65 crew cab. The cross-member that is currently riveted in 8 places is the one they are referring to and which must be removed to pull the trans from underneath. My rivets are out of mine and grade 8 bolts are reinstalled in their place. The trans mount rearward cross-member should be bolted in already and must be removed also when pulling the trans. Hope this clarifies your question.
Rich
Rich
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Fleet Mechanic
Joined: Jan 2014
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Rich:
Yes! Thank you for the specifics. Funny how one (like me) misses the boat until you actually get to working on that section...and things become perfectly clear. Thanks for your help....I'll get it taken care of with grade 8's as you suggest.
Yes! Thank you for the specifics. Funny how one (like me) misses the boat until you actually get to working on that section...and things become perfectly clear. Thanks for your help....I'll get it taken care of with grade 8's as you suggest.
Ford Parts Specialist
Joined: Nov 2006
Posts: 88,826
Likes: 784
From: Simi Valley, CA
All 1961/64's, 1965 F100/250 4WD, 1965/66 F350 & 1966 F250 4WD:
The rear engine mounting bracket (aka cross member) is riveted to the frame rails.
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1965/66 F100/250 2WD, 1966 F100 4WD, all 1967 and later:
The rear engine mounting bracket (some people mistakenly call this a cross member) bolts to the frame rails.
btw: C6 not available in F100/350's until 1968 and then only with 360/390's.
The rear engine mounting bracket (aka cross member) is riveted to the frame rails.
---------------------------------------------------------------------------------------------
1965/66 F100/250 2WD, 1966 F100 4WD, all 1967 and later:
The rear engine mounting bracket (some people mistakenly call this a cross member) bolts to the frame rails.
btw: C6 not available in F100/350's until 1968 and then only with 360/390's.
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