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Old 04-13-2012, 02:22 PM   #1
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Default Aluminum intake ?

Hi, I am rebuilding my 5.7 raw water cooled engine and I have an Edlebrock performer aluminum intake. Since it is raw water cooled and will be kept in a slip all season in the Chester river (Chesapeake Bay) I am concerned about corrosion. My original cast iron intake is in ok shape what are your thoughts. Thanks
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Old 04-13-2012, 02:31 PM   #2
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Dissimilar metals in contact can promote galvanic corrosion. Aluminum and steel for example, with aluminum typically being the one that will corrode. Look at B3 drives (Alum) with SS props.
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Old 04-13-2012, 02:32 PM   #3
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And......Welcome aboard.
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Old 04-14-2012, 02:16 AM   #4
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Quote:
Originally Posted by tlaw View Post
Hi, I am rebuilding my 5.7 raw water cooled engine and I have an Edlebrock performer aluminum intake. Since it is raw water cooled and will be kept in a slip all season in the Chester river (Chesapeake Bay) I am concerned about corrosion. My original cast iron intake is in ok shape what are your thoughts. Thanks


welcome to the zoo...
and I 2nd shrews advice....al. in saltwater won't last long...softer metal and corrosion will eat that thing apart unless you have a closed coolant system with antifreeze and a heat exchanger ...


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