Bulldogs or stock 500's
05-19-2009, 01:32 AM
#2
Charter Member # 55
Charter Member
You have to run the serial numbers through a merc database. Post them and somebody may be able to help you out or just have your local dealer run the serial #.
05-19-2009, 09:32 AM
#3
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Bulldogs are tall deck blocks (10.2"), hp500 are standard blocks (9.8"). Look at boss where water pump attaches to block, tall deck block has an extra block between deck and boss (0.4"). Short deck doesn't, boss meets deck surface.
