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thanks for the reply, I should add some more info they are 2012 L6 verados, not the v8's and they have 850 hours on them I do have some poor condition bottom paint on the boat with the odd barnacle im sure maybe in should make a spread sheet RPM MPG GPH MPH as above. FA - that is some...

I just repowered my 2004 islander with twin 250 verados and my mpg isn't as good as I would have thought. what's everyone getting for mpg at cruise/ wot mph and with what props etc im currently getting 1.7Mpg at 30mph at 3800-4100rpm for best cruise when im light WOT of 48mph at around 6000rpm...

where's the access to your blackwater tank? find the tank, then you'll see the vent hose attached to the top of the tank

google "SOUTHCO CONCEALED SOFT DRAW LATCH W/KEEPER"

what model? could be the vent has been plugged with TP. remove the hose and blast it out with a garden hose. find your black water tank, its the 5/8" hose that come off the top. they're not big tanks. could it be that it is actually full and are actually filling normally?

I have a carver over the hard top cover on my 270. fit seems to be the same as KY's Grady... I found the radar dome pulled the sides up too high and there was too much fabric at the transom and it hung down, I think the fit would have been better without radar.

every engine needs its own starting battery (same thing as a cranking battery) then you want a deep cycle battery for the electronics, pumps etc. using a deep cycle for cranking duty or having a long deep discharge off a cranking battery are both very bad for the longevity of said battery. use...

my 2004 270 islander has perko 540 caps https://www.perko.com/catalog/spare_parts/1109/replacement_cap_-_0540_style/

lewmar profish on my 270 islander. it runs flawlessly. only have to regrease the gypsey once a year (maintenance ) sometimes the 8 plait to chain splice doesn't like to feed but it eventually goes. I've got 280ft of 1/2" 8 strand and 50ft of 1/4" g43 with a 22 lb delta plow. If I was...

Get the boat onto your trailer and weigh it. Better than guessing. My 270 has foam in a lot of places but they’re all visible through ports or by removing panels

id start with a compression test, and then a tune up.. what motors?

Can wait to hear the performance numbers: max mph, best cruise gpm (speed and rpm). I Repowered with twin 250 verados and I’m not getting the best gph at cruise compared to my old worn out Yamahas. Interested to see what the Suzukis do

I’d use the toilet intake and put in a new through hull above waterline where ever. Convenient I wouldn’t mess around with relying on a float switch and bilge to pump out water from a/c pump. That’s a great way to sink your boat imo. Condensation drain to shower sump I’d say is fine

What make model diameter and pitch of prop? Is it a pressed in rubber hub or a plastic square one? I’m still suspect of a bad rubber hub. Do you have a prop you can borrow to test out? What’s your wot rpm and speed normally? My 270 islander won’t plane on a single 200hp Yamaha with a 17”...

perhaps I can chime in on my setup. 270 islander. I used a renogy 100W flexible panel as I want to carry my tender on the roof occasionally and didn't want sharp edges of an aluminum frame. due to the curve, taper and shape of the roof a 100W flexible panel is all that will fit up there. I...

my guess is operator error or a mismatched rode/gypsy. two brand new rodes shouldn't chafe through in two days. have a read through the operation manual for the windlass

my lewmar profish is in the forward oem location. with 280ft of 1/2" pleight and 50 ft of 1/4" chain I have to have someone tend the line as it comes in or it jams up. I wish it was mounted on the hatch more to the rear. would make it easier

I use a 22lb kodiak (plow / delta knockoff) on my 270. 50ft chain then pleight rope. has held well for me. if your in 8 ft of water you should be able to see why its not holding

nice, I've been considering doing the back deck too. nice finishing work. is that a caulked seam around the fuel tank hatch?

2-3" height is the recommended measurement for the high water alarm. I bet that's easily 150 gallons of water in my 270 before the alarm will sound. having it 4 or even 6" gives you far less time to react to a problem. because at this point either my front and rear bilge (1500 GPH/1700 GPH) are...