Captains call conversion
07-07-2014, 10:40 AM
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Captains call conversion
I am in the process of replacing the power in my 89 Wellcraft Eclipse 216 from a little 305 to a fire breathing 355! (insert sarcasm) I bought a set of diverters from a guy with all the wiring a few years back as I thought I'd like to add tru hull exhaust at some point and now seems to be that time since the motor is out and I am redoing the bilge but I have been told that I do not have enough rise to be assured that I will not get water back up into the motor. Does anyone know if this has ever been done successfully in this particular boat? I am not opposed to going out the sides of the transom if need be.
07-13-2014, 09:55 AM
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The time to do this is with the motor in and manifolds on....now you can see what needs to be done. Don't go out the side unless you have an H pipe, otherwise it won't sound too hot. The requirements for riser height and tailpipe relationship are in every mercruiser power package installation manual, which you can find with a google search.
07-13-2014, 10:03 AM
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Also, if your setup doesn't have sufficient height, you can purchase riser spacers or a whole new manifold setup. Keep in mind if you have to add a lot, you will have to weld extensions onto the diverter or find a longer boot. I know some of the Volvo Penta boots are longer.
