My V has a 350 in it, I think the 305 should be ok but if it isn't I think the 350 is a swap out without having to change the bellhousing.
I'm sure Ferm, Spare and a couple others can give you more info.
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Tis better to be quiet and thought a fool than open your mouth and prove it!!
1991 V-20 cuddy I/O 350 volvo duo prop, 1998 15ft Grumman 9.9 Johnson 
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