2-m2.5 screws fastening each cab hinge to the bumper. With only about 3 to 4 mm of thread actually holding the hinges on, i was concerned about them being strong enough. So i tapped them all the way through and used longer scale hardware.
This is what it looked like from the front prior to tapping
New screws bolting on the hinges
From the front
After scale hardware added to the grill
Started mocking up a fix for the front wheel scrub issue with the coil over
Offset link ends added. This stops them from hitting the axle under compression, i just wish i could find some metal ones.
Full lock and compression, and no binding! Tomorrow I'll replace the styrene with aluminum and make them look presentable.