I know this is an older post, but this is a really good match up for a upgraded parts list.
Also, check out RC Overload on YouTube, he bashes a 2wd Torment with upgrades.
T-Bone racing bumpers
#Sect288rc Light weight steel CV Drive shaft, Hot Racing
#ECX9001 Tranny Metal gear set, ECX
#85-45-BND 80A ESC and 550 Brushless motor, Hobbystar
2s or 3s - 4000 MaH LIPO battery 25c, Dynamite
#70672 Sealed gear cover, RPM
#70462 Rear A-Arms, RPM
#70582 Front A-Arms, RPM
#ECT1906 Aluminum caster block (front), Hot Racing
*run 5x11 bearings*
#73292 Oversized front spindle blocks, RPM
#ECT2206 Aluminum rear hubs, Hot Racing
*run 5x11 bearings
#ECT1006 Aluminum hex wheels, Hot Racing
#3643 Rear tow link(turnbuckle/camber link) ,Traxxas
#3644 Front tow link (turnbuckle/camber link), Traxxas
#3643 Front steering link(turnbuckle/camber link), Traxxas
Pro-line Flotek clear body
#6063-00 Power stroke shocks(front),Pro-line
#6063-01 Power stroke shocks(rear), Pro-line
#6308-21 Pro-Spec spring assortment (front), Pro-line
#6308-22 Pro-Spec spring assortment (rear), Pro-line1
Tires I like to run, my preference for just tearing I up.
#182-01 (4) Badland's SC 2.2/3.0 M2 Fr/R tires, Pro-line
#1190-01 (4) Trencher X SC 2.2/3.0 M2 Fr/R tires, Pro-line
#1183-02 (4) Blockade SC 2.2/3.0 M3 Fr/R tires, Pro-line
#1501-MG Power Hd 1501MG 60G metal gear 25T servo, No namer (eBay)
#ECX331007 Servo arm, aluminum, 25T spline, ECX
#73492 (Servo-saver) Sterring rack, RPM
I hope this list helps.