I have a 89 5.0 with a s trim trickflow heads. I just got back from driving it and it sounded like it was overheated rumbling and spiting out of the overflow. But the temp gauge read about 180. I was woundering if I might have a blown head gasket. Is there any test I can do to see if that is the problem. Can I use a radiator pressure test gauge.
Thanks
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