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Bt Doctur

Thru hull exaust and reversion

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Formula with thru hull into the swim platform exaust system. Have a bad reversion issue.

Anyone else have problems?

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Reversion can be caused by a CHEAP engine replacement  job.  Using short old risers on a newer overlapping cam in a rebuild.  Very common problem. Cheap & or inexperienced mechanics.

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Go to offshoreonly.com you will find more help.  Many factors can contribute to this.  The Rise height is one, cam if you modified it, The platform has internal baffles that could be gone.  If you back up to fast water will get in..   

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3 hours ago, jdsdls05 said:

Go to offshoreonly.com you will find more help.  Many factors can contribute to this.  The Rise height is one, cam if you modified it, The platform has internal baffles that could be gone.  If you back up to fast water will get in..   

yup go there.  more than likely to short of riser. 

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No, shutters in place and working. original cam, reputable engine builder, no blown head gaskets, 3 inch extentions.new heads This pic has maybe 2 hours run time.

going to extend the riser outlets and see if that works

DSCN4197.jpg

DSCN4198.jpg

 

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That is some buildup ?

Minare spotless compared to those . 200 hours of fresh water.

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