'89 'Rude 88 SPL "Rumble"

pennyanman

Seaman Apprentice
Joined
Jun 12, 2002
Messages
42
I replaced my waterpump yesterday, and noticed a "rumble" when the engine is rumming at 3200 to 4500 rpm. I'm thinking carburation but is it possible that if the prop was on too tight that this might be the source?
 
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