Just by looking at the radiator through the cap opening is not going to be enough to determine flow. I have been trying to think of a way to test flow but cannot think of one. Go back and look at post #17, the pump, the impeller, and the divider plate all have to be correct in order for the pump to pull enough vacuum to ensure correct flow.
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Bill Strobel
Owner Independent Towing
1965 GTO Nightwatch Blue/Aqua
2005 GTO Quick Silver/Red
Fayetteville, NC
Do It Right or Don't Do It All
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