yo
Some info;
"... Standard Catalog of 4x4s book. It has info on every model year domestic 4x4. It doesn't really specifically talk about frame differences from year to year, but it does have a Chassis Features section for each Bronco year. Here's what it has:
(1980-1985) Separate body and frame, box-section welded frame. 3.95 in. section modulus
(1986) Separate body and frame, single channel, 5 cross members, welded frame. 3.66 in. section modulus. Maximum side rail section: 6.95 x 2.12 x 0.170 in.
(1987-1989) Separate body and frame, single channel, 5 cross members, welded frame, 36,000 psi steel. 4.27 in. section modulus. Maximum side rail section: 7.01 x 2.12 x 0.202 in.
(1990-1992) same as 87-89 but also notes low carbon steel
(1993-1996) Separate body and frame, single channel, 5 cross members, welded frame, 3.66 in. section modulus. Maximum side rail section: 6.95 x 2.12 x 0.170 in. low carbon steel.."
by BurntOrange
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92 Bronco (other years similar) by Steve83
Details 92 - 96 by Steve83
height, width, length, frame length, 66 to 96 by miesk5 at Bronco Zone Forums
Frame lengths:
'66-'77 Bronco 92"
'84-'90 Bronco II 94"
'78-'96 Bronco (Full size) 104.68" (104 11/16")
Specifications (1980-1986)
Wheelbase: 104.0 in (2641mm)
Length: 180.3 in (4579 mm)
Width: 79.3 in (2014 mm)
Height: 75.5 in (1917 mm)
66-67
wheelbase 92"
length 153.8"
width 69.1"
height 73"