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  1. K

    Where are the water shutters located on a 77 302 888 mercruiser

    Where are the water shutters located on a 77 302 888 mercruiser...is it at the bottom of y pipe or in the exhaust exits...1 or 2 shutters....I have a rumbling sound at idle and growling when taking off...put new gimbal bearing in and u joints new lube , but growls bad taking off...need help...thx
  2. K

    Growling noise still

    Hello....need some help...replaced new parts in 888 i/0...new gimble bearing,u joints,did alignment ,new lube,greesed everything up....but still has a little noise at idle,then when you take off it sound like a growling sound...the sound sounds like its in the back of the engine area,hard to...
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