Posted 22 October 2013 - 05:08 AM
you say that you flushed the rad out and found a load of gunk just a thought ( get the rad tanks taken off have a profecional radiator clean ( clean the cores out ) is that part of the country hot different from the uk that can have an affect on temperature climb I would explore the cooling system fully first without getting technical give it the K,I.S.S. no intention of being rude ,,, if you are driving in heat of 35 to 40 c the motor needs all the cooling that it can get ,,, not being in the states and knowing the conditions you are driving in its hard to give advice for your particular part of the world ,,, check on the web to see if there is any mini groups in your particular state ,,, there advice will be invaluable ,,, and tell them the whole story in entirety also look for a mini enthusiast close to you that you can have a yarn with
baldric ( Australia )