I Have A 94 Honda Civic Ex D16 Motor....k And N Intake, And A Dc Header...did A Complete Tune Up....change The Thermostat...only Overheated When I Race........

 

You shouldn't race then.

 

Learn to type and stop street racing



If you want real advice... check to see if your radiator is leaking...

 

ur fan probably aint workin check ur fan fuse...u need to stop racing...

 

come on guys, maybe he races at the track....maybe.

 

Maybe his coolant system isn't holding 15 PSI of pressure. Maybe he has a bad head gasket and is blowing exhaust pressure into his coolant system. Maybe a radiator pressure test would fix his problem?

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That's what happened to me. Pressure building up in the cooling system. Bubbling coolant, and top radiator hose puffy. Car would drive fine for about a half hour, then gauge shot STRAIGHT UP. Not good times.

The dreaded head gasket.

Drive safe, dog!