Low-Cost Radiator Pressure Tester
To test a radiator after repairing it, I use a simple bicycle inner tube. I suggest 1.75 x 24 size which is available almost anywhere. First, you cut it to the proper length so that it spans the inlet and outlet. Then you clamp it onto the inlet and outlet using standard hose clamps. Pressurize it with about 20 pounds of air and then spray soapy water on the area that was repaired. It cost me about $4.25 which sure beats the $75 estimate the radiator shop gave me.
Central Wisconsin Raceway
Mustang Hornet Class
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