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5.0L (1979-1995) MustangTechnical discussions on 5.0 Liter Mustangs within. This does not include the 5.0 from the 2011 Mustang GT. That information is in the 2005-1011 section.
I PUT A TRICKFLOW INTAKE IN MY CAR AND NOW IM GOING SLOWER CAR IS STOCK AND IS NOW OVER HEATING ALL THE TIME
Sounds like you have either a coolant blockage (coolant is not circulating through the intake) or if notice your coolant levels running low or smoke out the back, that would be a leak
flush was done after intalation at a shop dont know
well if they did a flush then it was without the thermostat. Only guess I have is that the thermostate was put in backwards. Was it overheating before the flush? If not, that's probably the problem. If it was, then you may have a blockage somewhere. A piece of gasket or junk could've gotten stuck in a head somewhere when you were replacing the intake. Oil level look okay? Does your oil look 'milky'?