Thread: Weird engine number: RF4504
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Old 01-13-2014, 01:17 PM   #6
C4engr
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Join Date: Nov 2011
Location: San Jose CA
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Default Re: Weird engine number: RF4504
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My 31 engine has RF7428.... I was told 40 + years ago that the R indicates the engine was built at the Richmond CA engine plant..

Rog
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