engine temp. questions? brand new 4 core radiator,new upper &lower rad. hoses,new 180 tstat,new fan clutch,new anti freeze and water. car idling w/ a/c on after about 15 minutes hot light comes on. today i installed mechanical temp. gauge, sensing bulb in intake next to tsat housing. same thing after 15 minutes temp goes to 225 drove car tonight and after turning off engine upper radiator hose is collapsed, start car drive home temp stays at 195 but hose is now open. i feel the temp is to high??? any thoughts ideas thanx Phil