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Old 04-28-2020, 08:02 PM   #4
Harlard
Hurlurd?Harland?Bueller?
 
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Join Date: May 2007
Location: PDX
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Quote:
Originally Posted by stayathomedad View Post
Some Volvo Penta Red Blocks came with 531 heads. There were many that came with 530 heads. To my knowledge the Volvo Penta AQ151 came with the 531 head.
If its just the head you're looking at you'll find the number cast into the head itself on the exhaust side between exhaust ports 2 and 3. I think 531 heads came with A cams the majority of the time in Volvo Penta applications.

Not this one.
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Herr Harlard am Erstens

1979 242 DL

Quote:
Originally Posted by t8fanning View Post
My knob has a big chunk of steel on it
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