Might be comparing canelopes to grapefruits...but I'm running the 16" rims off of a 2002 4Runner on my 87' 4Runner. Only modification required was cutting out the centercap in order to clear the manual hubs. Cisco ran the same wheels on his ADD equipped pickup...only had to drill for the hubs cover bolts vs. the whole assembly.
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Only issues I would be concerned with is the backspacing. Can figure that out with a tape measure though.

~Darin <img src="/forums/images/graemlins/baby.gif" alt="" />

88' 4x4 *22R-EB Gen II*
87' $Runner *22R-EB Gen I*
85' Sillyca 22R-Esq

"I LIVE IN MY OWN WORLD...THEY KNOW ME WELL THERE"