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Old 09-21-2020, 04:36 PM
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vertigto vertigto is offline
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Join Date: Dec 2005
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Default Which impeller is the stock style cast OEM (pics included)?

Okay...after trying to read through the mega thread and archives, finally decided to just post some pics to get the correct answer about the cast impeller style/fins.

Some of the old threads don't really pinpoint which style is the correct one, so here goes...I am assuming the NAPA/GMP design.

NAPA - (aluminum body) - https://www.napaonline.com/en/p/TWQN...put=water+pump


GMP - from Summit - https://www.summitracing.com/parts/g...tiac/model/gto


Cardone


Autozone - (with limited lifetime warranty) similar design as Cardone - https://www.autozone.com/cooling-hea...87_0?rrec=true

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1970 GTO (Granada Gold) - 400 / TH400

Last edited by vertigto; 09-21-2020 at 04:50 PM.
 

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