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Hello - I just got done installing new tanks in my 1999 GW Bimini 306. Here is the original thread where I show the before & after pics and process. https://www.greatgrady.com/threads/1999-bimini-306-replacing-fuel-tanks.30820/ Unfortunately after launching and fueling up, neither tank is...

New Tanks - Very pretty !! They did not come coaltar painted. That was done by the guy helping me with removal/install Got both of these from Kentfab in Massachusetts. This was significantly better in pricing than I found with others. Plus local pickup instead of shipping. $2441 total price...

Sorry @Buckee - I'm not sure why I didn't get notified of your post. I'll have to check into that. As for how to get out. Used rope trapped around the fittings on top, and lifted from port and starboard. Not real heavy maybe 50lbs at most, but awkward as F. Not a 1 person job to lift out...

Tanks up & out

I decided to document the process along the way. Here are a few pictures of prepping to pull the leaning post & getting the deck up. I'll upload a video to youtube once done also. An observation. There is not much of anything to grab onto to lift them out. I may have to device a pully hanging...

Great tip on the tank locations holding water. Would have never known / thought of that. My boat is being hauled on Nov 4th, then the winterizing fun begins and will tear up the deck. I did get an even better price quote from a local aluminum shop.

@blindmullet thanks for your response 1/2 the price. And Colin was great to talk to.

Who did you order tanks through? I just got price quote from original manufacturer. Florida Marine Tanks. I nearly fell out of my chair. 5600 + freight.

This is encouraging. Thanks. I am in the process of just using the fuel to get it low enough for haul & next steps. Damn fuel goes fast when you don't want it to and takes too long when for it's for this. Of course both tanks were full when discovered. DId you replace in and out hoses? If so...

For the record, I was unable to siphon fuel from either the tank fill, nor the engine. Burning fuel via cruise. What a shame. Too bad I could not distribute to others.

encouraging thank you. Still working on fuel removal to get the volume down for better patching. Damn work keeps getting in the way.

good idea on where to drain. I was going to siphon from the fill hole, but I like the filtered approach better, and yes I think my season is over. Got my tank specs from GW today. From dimensions looks like they should come out without having to cut beyond the floor sections, but I'm sure a 2...

Thanks good idea. I am going to siphon about 20-25 gallons to bring the level lower, and see if I can improve the patch/weeping before letting air out even further and turning batteries on to begin running fuel.

Thanks. I used the J&D weld. See photos. It has trouble sticking to the moist areas where gas keeps seeping through due to the tank being so full. I may just need to run it to get the fuel down.

Lesson learned. The fuel tanks need to be rinsed regularly, and the deck plate o-ring seals are prone to leaking. I have had this boat since 2005. About 5 years ago, I pulled the deck plate to have a look underneath. I saw A LOT of white jelly. Sadly - I thought that jelly was a protective...

Re: Looking for performance comparison - 1999 Bimini 306 w/ Interesting. Thanks. Your numbers look good. You must be pleased. Thanks for replying.

Re: Looking for performance comparison - 1999 Bimini 306 w/ Yes - painted bottom. Thanks for pointing out the benchmark is with an unpainted hull. That likely affect it some. In my first table at the top. The .9MPG was on the old reworked propellers. It also shows RPM & Speed. My load was...

Re: Looking for performance comparison - 1999 Bimini 306 w/ Thanks. I realized my spreadsheet did not include the full model under test. its OFS 3 (3 blade) After speaking to power tech, they recommended a 15.25x16 4 blade. Given I normally run w/ heavier loads and to help w/ fuel econ...

Re: Looking for performance comparison - 1999 Bimini 306 w/ Attached are my numbers w/ my new power tech 19" props. I think there is room for improvement. The RPMs are on the low end at WOT. I'm concerned the engines are being over worked.

Hi I'm looking to compare numbers w/ someone w/ a similar setup. I would be interested in hearing from either Marlin or Bimini 306 owners running the SaltWater Series OX66 2 stroke engines. Yes I know the engines are old, but they only have about 1100 hours, and have been well maintained. I...