Originally Posted by John-T
GOOD MORNING - I am replacing a GM V8 Diesel engine in my RIB with a Yanmar 6LPA - STP - the exhaust went directly out of the transom with a flap valve of around 100mm diameter.
I have a choice to do the same for the Yanmar (but move the fitting as exhaust is on a different side of the engine) or take it to the Bravo drive etc
I am interested hearing opinions from experienced owners/engineers about the ideas, and any recommendations on where to purchase the parts including the mixing elbow.
Thanks in advance
Its a matter of personal choice, some say they spool up quicker straight out the transom but I'm not sure how true that is, allthough they are a bit laggy. They do run a little quieter at lower speeds out the drive . The deciding factor might be the availability of used parts as I'm pretty sure the correct yanmar to bravo elbow is crazy expensive, something like £2k for the lower & you may need a difrent riser elbow depending what you have .A mercruiser diesel elbow wont clear the belhousing it has to be the yanmar one
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