Bypass heater core or just block -
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post #1 of 2 Old 01-07-2010, 08:44 PM Thread Starter
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1981 CJ7 
Join Date: Dec 2009
Location: oahu, Hawaii
Posts: 33
Bypass heater core or just block

81 cj7 amc 304 no need for heater core and for now im wondering do I just plug the outlet on the water pump and the port on rear passenger side or does this cause issues with proper coolant flow and cooling? I could run a hose just straight through but would rather not if unnecessary.

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post #2 of 2 Old 01-08-2010, 11:18 AM
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1980 CJ7 
Join Date: Dec 2007
Location: Killeen
Posts: 1,357
You need to connect a hose. One thing about heater cores is they give you extra coolant and also helps with defrosting like when it rains brah. Also if yo start overheating one trick was to turn on the heater the driver was uncomfortable but the engine cooled some.
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