Im not sure why I didn't join this club months ago...
I love my setup, I've never had any problems with leaks.
XSPC single bay acrylic res.
HK 3.0 cpu block
koolance full cover gtx 480 block
thermochill pa120.3 radiator
1/2 inch fittings, 7/16 id tubing, no clamps
I have put it in my trunk for a couple 4 hour drives, took it out, started it back up no problems.
Those tubes are not going to come loose even with a decent amount of tugging. It pretty much takes a knife to get most of them off.
I'm still leak free, but I gotta shead this case. "That's not a case, it's a closet" someone in vent told me.