TTB to Solid Axle ?'s
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Junior User
Joined: Jan 2003
Posts: 85
Likes: 0
From: Vincennes, IN
TTB to Solid Axle ?'s
I'm about to install a solid axle under my 1989 F-250 7.3L Diesel do to unsatisfactory performance of the TTB. I've been reading up on many archive posts about this conversion. I've been told the easier route to take is to buy a junker F-350 and pull everything out from under its front end and into mine. My questions are:
What years of F-350 would bolt up to mine with minimal/no drilling or welding?
If I buy just the axle from a junk yard, what do I need to pull off the donor besides the axle (steering, etc)?
Thanks in advance!
What years of F-350 would bolt up to mine with minimal/no drilling or welding?
If I buy just the axle from a junk yard, what do I need to pull off the donor besides the axle (steering, etc)?
Thanks in advance!
Senior User
Joined: Feb 2002
Posts: 205
Likes: 0
From: Gilbert, Arizona
TTB to Solid Axle ?'s
'86-'98 will bolt right in. Newer axles ('92 and up, I think) have better front brakes.
Get the following parts of the donor:
-All steering linkage below the pitman arm
-Track bar and the bracket that mounts it to your engine crossmember
-LH U-bolt bracket
-Front driveshaft (it is shorter)
-Sway bar is different
If you get a newer axle, I suggest you get the brake master cylinder too, because the front calipers will require a different proportioning valve.
Scott
Get the following parts of the donor:
-All steering linkage below the pitman arm
-Track bar and the bracket that mounts it to your engine crossmember
-LH U-bolt bracket
-Front driveshaft (it is shorter)
-Sway bar is different
If you get a newer axle, I suggest you get the brake master cylinder too, because the front calipers will require a different proportioning valve.
Scott
Laughing Gas
Joined: Nov 2001
Posts: 807
Likes: 1
From: -
TTB to Solid Axle ?'s
Don't forget to get the pitman arm with all the steering stuff. 86-92 axles have king pins, and 92-97 have ball joints. I dunno about your truck but mine (1997.5) everything from the knuckles out on my D50 TTB is the same as a D60 monobeam. So I am just looking for a D60 housing, then I am gonna transplant all my D50 parts from the knuckles out to the D60. Rotor, spindle, brakes, calipers, everything is the same. get ahold of a shop manual (I did) from your year truck and see if the stuff matches up, could save you a bundle on a new axle.
