yeah, was originally a 5.0 E4OD 3.55 non LSD truck.... now its a 351W w/GT40 heads, Custom Ground Cam, shorty headers, no smog pump, EGR delete is coming (blah blah blah) E4OD with shift kit, 4.10 w/Detroit Locker rear and new axleshafts cause i broke them 6 months ago They were new when the axle was rebuilt 10k miles before then, but i broke em...... HAHAHA.....