if you dont do any real hard wheeling i would say dont do it. it you drive in 4wd on the road in the snow, definitly dont do it. it is REALLY hard to turn when the front is locked/welded. Also, ifs front ends do not hold up near as well as solid axles. Personally, I would not lock an ifs diff.

-matt

-'88 toy x-cab, SAS, chevys, gears, lockers, free tires, dented body mod.
-'87 4runner, bone stock DD

"It's OK to do stupid things, as long as you are not stupid about it."