Mishimoto sent me 1.5OD t bolt clamps, which are way too small! I can't even get a thread started while using pliers. They are sending me free replacement t bolt clamps, 2.0 OD, and new couplers. Right now I'm using the ghetto clamps from pepboys on the upper radiator pipe. Since I can't squeeze the upper pipe to relieve trapped air in the radiator, is there some kind of kit or tool I can buy to do this? It's fine now, b/c I've been slowly letting the car get up to temp, then letting it cool and opening up the cap to let the air escape. I've had to do this cycle 4 times now, and finally all the air is out!