Sullivan21 just done a 23 repower with a 250 merc 250 efi about that same year, I have a 225 like that and have the same prop as Don on the race boat and it dose around 47mph top with the 17p and needs a 19p or maybe 21p prop. Cruses well at 30ish around 3800 if I remember right. I love the 3.0 mercury's great motors
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Current SeaCraft projects:
68 27' SeaCraft Race boat
71 20' SeaCraft CC sf
73 23' SeaCraft CC sf
74 20' SeaCraft Sceptre
74 20' SeaCraft CC sf
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