[JFMetter]

Thanks for looking at this.

I have a restored 1966 GTO - 389 Tri-power. The engine is rebuilt and I am at 100 miles in the break-in. My past experience with a GTO back in 66 I know these things run hot. So early in the break-in I'm pressed to understand how this one is acting., But it is running around 200 degrees. So I think I need to do something. But what?

Shroud? But my fan is 19 inch seven aluminum blade with a 15 1/2 core So I will need to replace it to fit correct shroud. OR

Try Evans waterless coolant. Not a lot of testimonials out there about this stuff. OR

New aluminum radiator.

All these fixes will cost $200/$300 +, so I'm trying to decide which a good first shot.

Thanks!