Before EFI and direct injection you could take them apart and put them in a bag, they were all pretty much the same. Plug in the technology of fuel injection and they diverged rather quick.
300hp should be good for the mid to upper 60's IMO. The speed is only useable on long river runs, intercoastal, lakes and calm days.
The I/O that is so fast looks like a handling nightmare, needs more setup, LOL. Speeds above 55 just aren't practical in a V-20.
Beating an A-drive with a 450-500 hp stroker motor isn't gonna last. I'll stay with the outboards at sub-60 top end.
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1996 -19' NV Flats 115 Mercury 4-stroke
1983 -20' Wellcraft Center Console 250 XS
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