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Old 09-01-2019, 11:40 AM   #10
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Join Date: May 2010
Location: Wisconsin, USA
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Default Re: Dennis Carpenter new flatty waterpump issue...

Originally Posted by 35fordtn View Post
My guess would be the impeller May be hitting the cylinder head. Iíve used drake and carpenter 21 stud pumps with nothing but great results. I do prefer the drake ones over the carpenter pumps
This would be my guess as well. Even with authentic pumps one must be careful with the installation as the pulley will occasionally interfere with the cylinder head. Easy fix obviously... just move the pump a bit before final fastening.
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