caliper swap questions
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New User
Joined: Jan 2006
Posts: 6
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From: Alabama
caliper swap questions
hey will the front brake calipers off an 87 F-250(dual piston) fit 86 F-150(single piston) front spindals?... i havent tore them apart yet so i was just wonderin if i need to do a complete spindal swap or if i could just swap calipers
Elder User
Joined: May 2004
Posts: 506
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From: Edwards Air Force Base
Are you sure he can swap the whole spindle? I thought the F250 had a larger diameter axle than an F-150. If the axle shaft is larger in the f250, then the spindle bearing will be too loose when he puts the larger spindle on the smaller axle shaft.
I don't know for sure, just asking. I just know that the main difference between the 150, 250 and 350 trucks is the axle strength.
Lee
I don't know for sure, just asking. I just know that the main difference between the 150, 250 and 350 trucks is the axle strength.
Lee
Elder User
Joined: Feb 2006
Posts: 691
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From: Eau Claire, WI
whats it being used for???
If its a mudder that wont see street, go for the swap...
If its anything more then a farm truck that wont see pavement, please dont cheap out with used calipers.
I'm hoping its a mudder, because thats a pretty dangerious way to save $30
~Nate
If its a mudder that wont see street, go for the swap...
If its anything more then a farm truck that wont see pavement, please dont cheap out with used calipers.
I'm hoping its a mudder, because thats a pretty dangerious way to save $30
~Nate
FTE Chapter Leader
Joined: May 2002
Posts: 42,611
Likes: 3,130
From: Fraziers Bottom, WV
I just went through replacing the drivers steering knuckle on me 82 F250 4x4. Some one messed up the one on my truck and I searched high and low for a new knuckle and could not fine one. A used 80-86 was hard to come by but I did find it. I had an 82 F150 4x4 and looked at it and found the following difference:
Spindle bolts 6 vs. 8
Spindle bore the same
Center of spindle bore to center of tie-rod hole, about 3 inches shorter.
Distance between ball joints shorter
Caliper mount opening shorter
I did find that the newer (caliper pins vs. bolt to hold slide in) knuckle on the F250. Will work if you use new calipers! One difference is the spindle uses 6 bolts not 8.
The single piston calipers are shorter then the 2 piston type.
Rod
Spindle bolts 6 vs. 8
Spindle bore the same
Center of spindle bore to center of tie-rod hole, about 3 inches shorter.
Distance between ball joints shorter
Caliper mount opening shorter
I did find that the newer (caliper pins vs. bolt to hold slide in) knuckle on the F250. Will work if you use new calipers! One difference is the spindle uses 6 bolts not 8.
The single piston calipers are shorter then the 2 piston type.
Rod
