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Message: <blockquote data-quote="mach1197203" data-source="post: 569025" data-attributes="member: 11546"><p>I have a 96' gt with bullit brand mufflers, two middle cats gutted, k&N filter, new style intake manifold, hypertech 160 thermostate, new water pump, and new radiator, a snyper tuner with a mild tune. The problem is that even before we put the tuner on it it was running hot. I got the tunner on and all is great with the fans coming on at 160 on the low side and 195 on the high speed. I have checked the coolant for exhaust leaking into it from a blown head gasket(no luck). Plugs are good. not loosing coolant anywhere. Anyone have any ideas?</p></blockquote><p></p>