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LT1-LT4 Modifications 1993-97 Gen II Small Block V8

urgent!!! heater core delete. What freeze plug size on water pump?

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Old 07-30-2016, 10:44 PM
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Default urgent!!! heater core delete. What freeze plug size on water pump?
as shown in the pictures. after taking out the metal fittings .What size do I need?
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Old 07-31-2016, 08:03 AM
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I'd probably go with threading and plugging them. Pull the pipes and measure.
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Old 07-31-2016, 10:27 AM
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IIRC you need (2) 1/2 pipe plugs and (1) 3/8.
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Old 07-31-2016, 10:33 PM
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Originally Posted by waltsfastz
IIRC you need (2) 1/2 pipe plugs and (1) 3/8.
thank you sir!
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