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#1
07-25-2019, 09:12 PM
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18 engine height
On the back leg of my 75 18sf rebuild new floor transom and bracket with 20in setback. How high above the bottom of keel should my cavitation plate be with 20in setback. 25in shaft bracket. Also any guess on wat prop for a carved vmax 150 with 2.0geared lowerunit.
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#7
07-26-2019, 07:07 AM
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Sweet ride, but, I won't be any help. Mine is mounted on the 3" setback plate, adjusted so the cav plate is right at 3" above the keel and I still have a lot of spray over the plate. She's performing well, though.
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1975 SF18/ 2002 DF140 1972 15' MonArk/ 1972 Merc 50 http://i833.photobucket.com/albums/z...photos/SC3.jpg
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#8
07-26-2019, 09:13 AM
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Idk that it’s an exact science ima start with like 4.5-5inches above the bottom of keel. I’ve read that further setback the higher you go. If ur 3in above keel and 20in setback im thinking I’ll be close. Anyone got a good starting point for a 4 blade prop with bracketed 18 with vmax 150.
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