steering box interchange help needed
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Postmaster
Joined: Mar 2004
Posts: 4,375
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From: seattle
steering box interchange help needed
got a 66 1/2 2wd, wondering how far up the boxes will swap out...I believe its up to late 71...1/2 and 3/4 ton 2wd....donor is a 7-72 2wd 3/4 ton....will donor work in my 66 ???
Thanks, cs65
Thanks, cs65
Post Fiend
Joined: Nov 2000
Posts: 6,060
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From: Glendale Arizona
FYI
Manual box 65 to 68 are the same and 69 to 79 are the same bolt pattern but longer in the steering output
PS box to 68 is a weak bendix but shorter than a later PS box.
PS Box for either the 1/2ton or 3/4 ton is the same unit 69 to 79 in a 2 wheel drive application.
the 69 to 79 box is a John says a direct bolt on to a 65 up 2 wheel drive chassis.
Garbz
Manual box 65 to 68 are the same and 69 to 79 are the same bolt pattern but longer in the steering output
PS box to 68 is a weak bendix but shorter than a later PS box.
PS Box for either the 1/2ton or 3/4 ton is the same unit 69 to 79 in a 2 wheel drive application.
the 69 to 79 box is a John says a direct bolt on to a 65 up 2 wheel drive chassis.
Garbz
Fleet Owner
Joined: Jun 1999
Posts: 24,552
Likes: 74
From: Creedmoor, North Carolina
cs65, Give us a little more imput. You first ask how far will they awap out, then state that is armstrong.
What are you wanting to do, go to power steering or stay with armstrong?
qtrmiler, Are you refering to 2wd or 4wd?
John
What are you wanting to do, go to power steering or stay with armstrong?
qtrmiler, Are you refering to 2wd or 4wd?
John
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1965 & 1966 2WD with the spring mount trimmed can use a gear up to '79. You'd be suprised how much will interchange. I did a swap for a guy a few weeks ago & used the I-beams from a '86 on a '66. Rotors are the same to about 1995, stuck some old ones from my '94 on a '66 with '71 spindles...
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Fleet Owner
Joined: Jun 1999
Posts: 24,552
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From: Creedmoor, North Carolina
Originally Posted by qtrmiler
1965 & 1966 2WD with the spring mount trimmed can use a gear up to '79. You'd be suprised how much will interchange. I did a swap for a guy a few weeks ago & used the I-beams from a '86 on a '66. Rotors are the same to about 1995, stuck some old ones from my '94 on a '66 with '71 spindles...
On the 2wd trucks with FE installed the back of the gear hits the engine perch. We recomend swapping the perch rather than cutting, although a lot of them are notched.
John
Fleet Owner
Joined: Jun 1999
Posts: 24,552
Likes: 74
From: Creedmoor, North Carolina
Originally Posted by qtrmiler
It's the rear part of the upper spring perch. If ya want I have some pics 
Place photos in your gallery and we can go take a look. You shouldn't have to notch anything to install springs.
John
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