1 1 car tuned..bad running runs hotter
2 50/50 coolant/water mix works better than water alone
3 hoses good/ bad hose gets soft and goes flat causing no coolant flow
4 thermoxtate good? in rightside up
5 is all shrouding around fan..and is fan even working
6 is cooling system sealed? cap good
7 got enough clean OIL.yes oil helps cool it
8 changed tadiator,,,new or junk from junk yard,,,