There was no turbo G200, the turbo 2.0L is a 4ZC1 and it is fairly different. Motor mounts are the same on the block and trans mount plate is same bolt pattern, but the distributor is in the head on the back right side. It will need some slight firewall mods to fit.
As for what vehicles, I think 84 P'ups got the G200 and kept them as an option till about 87. Troopers had the G200 in 84 and 85. The fuel injected impulse nonturbo had the G200 up to 87. That motor has a bit higher compression than the G200 from trucks but is otherwise pretty much the same. You can swap a carb intake from a g180 or G200 onto it, and the exhaust manifold fits as well.
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95 Isuzu Trooper Daily Driver
86 Isuzu Trooper reliable backup
77 LUV 2wd stock beltway blaster (resting)
79 4x4 LUV project: 2.6L, 5spd, 31s (eventually)
MEPR: Man, my 4x4 makes all other LUVs look good
