High speeds for 15min or longer, temp gets high

[CanadianBak'inSupra]

Originally Posted by wstanek

well a couple b4 the red line in the ORIGINAL manual for 87 supra N/A Standard says almost b4 red is not over heating

but it will tell you that is NOT normal operational temp, if it goes over half way you have a problem somewhere...

did you replace your thermostat
does your turbo have the stock heat insulator? or heat shield of some sort?
make sure your getting enough antifreeze and you could try adding a coolant additive.

CHECK ERROR CODES!!!!!!! ALWAYS CHECK ERROR CODES!!!!!!!
learn how to check here:
http://www.cygnusx1.net/Supra/Librar...aspx?S=FI&P=23
(jumping of terminal te1 & e1 can be done with a pape clip)

if the ac doesnt work why keep it?? really it just slows us down and gets in the way under the hood, the system weighs a fair bit i dropped mine