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willysmjeeps.com :: View topic - Oil pump: cast iron vs. aluminum
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Oil pump: cast iron vs. aluminum

 
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BCA
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Joined: Jul 02, 2011
Posts: 134
Location: Milton, Ontario
PostPosted: Wed Jul 02, 2014 3:49 pm    Post subject: Oil pump: cast iron vs. aluminum Reply with quote
Early M38's had an aluminum body oil pump and then changed to cast iron oil pump. I assume they are interchangeable for any jeep engine with a gear-driven camshaft. Any comments on the reliability or durability of AL vs. CI pumps? ......... Brian
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wesk
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Joined: Apr 04, 2005
Posts: 16267
Location: Wisconsin
PostPosted: Wed Jul 02, 2014 11:08 pm    Post subject: Reply with quote
The two obvious issues are wear and corrosion. Same went for the original aluminum master cylinders.
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45 MB, 51 M38, 54 M37, 66 M101A1, 60 CJ5, 76 DJ5D, 47Bantam T3-C & 5? M100

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