I haven't heard about that particular rig, but a Grand Wag should have a 727 tranny. As for swapping to Q-trac, why? If you want it for freeway cruising and not serious wheeling, the GW should be perfect the way it is; the original luxury SUV, with shift-on-the-fly 4wd.
“Time flies like the wind. Fruit flies like bananas.”
Jim<br />-----------------------<br /><br />VinylWag: stock \'87 GW w/factory vinyl top & power moonroof - Engine fire victim!<br />SleepingWag: \'89 GW w/bad motor and stylin\' headliner - 32s and chopped fenders, light bar, dual steering stabilizer, CB, and rhino. - Still in Portland, OR, 450 miles away! Might be coming home sometime this century.<br />\'96 Suburban 2500 LT 7.4L w/roof-mounted gun rack - DD<br />\'84 F250 diesel 4x4 rustbucket, bad tranny (possible parts donor/generator?) - buried in snow