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ContinuousWave: Whaler Repairs/Mods
|Author||Topic: Gas Tank|
posted 12-05-2001 12:49 AM ET (US)
I just bought a 89 Montock and it comes with 2-6 Gallon crusier tanks. The boat has a 100 hp Merc on it an I think that should get me about 1/3 of the miles I want to go. Are there any recomendations for a gas tank that will fit under the seat that will increase the fuel I can carry. I would like to have something other than the red gas can look. I can use a spray can however. Mounting recomendations would be welcomed as well.
posted 12-05-2001 06:17 AM ET (US)
Ahoy, Denny. I think the most common solution to your problem is the Tempo 28 gallon tank, which claims to fit perfectly under the seat. Some of us have had to replace the filler cap with a low profile cap to make it fit.
Another popular solution is two 13 gallon Tempos.
Unfortunately, all of the Tempo tanks are red plastic.
There are other suppliers, who, I am sure, will be mentioned before breakfast.
Red sky at night. . .
posted 12-05-2001 11:13 AM ET (US)
Go back and look at the older threads for this topic. Montauk fuel tanks have been covered in great detail, with several viable options available to you. It's all in the Forum.....
posted 12-05-2001 12:04 PM ET (US)
I bought the 28 (sometimes called 27) gallon Tempo from Shoreway Marine.
CAT. No. 20670
$104.99 plus $12 shipping
I sometimes wish I had purchased the PATE brand for around $400. It is made of fiberglass.
When the sun shines on my Tempo and the vent is closed tightly, it blows up like a big balloon.
posted 12-05-2001 12:38 PM ET (US)
Thanks guys for the follow up. Looks like it is the Tempo tank.
posted 12-05-2001 03:08 PM ET (US)
Moeller seems to have copycatted the Tempo tanks specifically designed for Whalers. They are about the same price and sizes, also red plastic, and some here have said they are better. I have no experience with them.
From either Company, the price is now about $105, plus fuel withdrawl fitting as needed.
I think the cap vent should always be left open for safety.
posted 12-05-2001 03:44 PM ET (US)
Denny, don't be to quick to assume you have heard everything. This is a popular topic.
The mother of all montauk gas tank threads is http://continuouswave.com/ubb/Forum3/HTML/000350.html .
Under my RPS have a pair of 12 gallon steel tanks painted tan on mats screwed to the deck. I think those are the factory tanks in a '88 Montauk. They stay put well, the blend into the background. Someone here has said that dual tanks allow you an extra saftey - you can have bad gas or run one dry and you still have another.
Nice if you can find them. Anyone know what the current status of replacements for steel or aluminum tanks is?
posted 12-06-2001 02:11 AM ET (US)
Thanks for the string. Your right about a lot of info out there.
posted 12-06-2001 07:48 AM ET (US)
My .02 on the Tempo tank. I agree with the swelling comment.
I had nothing but trouble with mine. It never vented properly, and resulted in engine problems that drove me crazy until I figured it out( thanks to folks on this board)
It finally split open while containing about 10 gals of gas. Luckily, the boat was on the trailer and no gas was spilled. When I returned it to West Marine, they accused me of stomping on it! I assured them that it burst of its own accord, saving me the trouble of stomping on it!
posted 12-06-2001 08:54 AM ET (US)
Tempo tanks are terrible. My old Pate developed a crack along the bottom during a cold winter. I should have just reglassed it. My skills at this kind of work aren't that great so I thought I'd just buy a Tempo, so it would look nice. I've had nothing but problems. Tank swelling and fuel starvation. Believe me, coming from El Cheapo himself, BUY THE PATE. I'm sure the damage to my engine from the starvation would more than make up the price difference.
posted 12-06-2001 08:56 AM ET (US)
I forgot to mention the rusting screws in the top of the thing. They didn't even use SS can you beleive it?
|Tom W Clark||
posted 12-06-2001 11:17 AM ET (US)
Yes this thread may turn into another long one...
Most of the newer boats seem to have these single 24 or 27 plastic or fiberglass tanks. The traditional tanks were always the twin 12 gallon tanks.
There used to be three manufacturers that made 12 gallon tanks specifically to fit under the Boston Whaler Reversible Pilot Seat: Tempo, Mirax and one other I cannot remember. They usual had model numbers like BW12.
These were all steel tanks painted red and they worked very well. Then in the mid 1980's Mirax started building their tanks from aluminum. Left unpainted these tanks looked really sharp and held up very well. They looked so good that I painted the red steel Tempo tanks I had at the time with some "aluminum" colored spray paint which gave them a great silver color.
In time those tanks rusted at the seam and I bought the Mirax tanks which I think were all but indestructible. I'm not sure if Mirax is still around, but that's what I would want on a Montauk.
One thing I'm not sure has been discussed in he past about a big single tank vs. twin 12 gallon tanks is that with twins you have the ability to adjust the balance of a Montauk with the fuel load, (we all know how important it is the adjust weight to get a Montauk to run on an even keel). You can also run the fuel hose for your main motor off one tank and the fuel line for the kicker off the other. When fuel gets low, but not empty, on the main's tank, you just swap hoses.
It is also a lot easier to slide a full 12 gallon tank back under the PRS than it i with the big tanks which always seem to have some gas cap conflict or chocking issue.
posted 12-06-2001 01:49 PM ET (US)
Another option appears to be Todd http://www.boatdealers.com/mall/index.cgi?store_id=204&prod_id=3818 which claims (on this web page at least) to be 'Factory designed for Boston Whaler applications'. 11 gallon, red cross-linked molded polyethylene.
disclaimer - I'm did a couple of web searches, so this is not authoritative.
posted 12-06-2001 02:03 PM ET (US)
Mirax - I did a little more research and, yes, they are still making *aluminum* tanks for Boston Whalers. The company is Mirax Cemical Products in St. Louis, MO, (Phone number is (314) 752-1500) and they have a sister company KSH Marine http://www.kshmarine.com I spoke to Brian there, and what he has to offer for whalers sounds pretty good, given Tom's experience.
For a Montauk's under the RPS he has a 12 gallon aluminum tank complete with cap and dip tune for roughly $175. You'll want two. If you want to run a single tank, you can save a few bucks, a 24 gallon tank is about $265. He offers a lifetime warranty to the original purchaser.
I believe he would work with you if you want to have a tank of a different size to put in a different location.
Brian's email is firstname.lastname@example.org.
posted 12-07-2001 01:38 PM ET (US)
I will echo Tom Clark's opinion on the old style Montauk tanks. My '79 still has a pair of the original steel 12 gallon Mirax tanks. They are portable so I can take one out of my boat, fill it at the local Chevron station and bring it back down to the boat thus avoiding the high prices at the gas dock. I also like the idea of being able to keep the boat balanced, and having reduncancy. If I get a tank of bad gas, I always have a back up. Similarly, if the pick up tube gets plugged or falls off, I have a spare. The mechanical guages are still remarkably accurate, although I usually just reach down and lift a tank to see if it's getting low. They are dimensionally stable, and don't blow gas out the vents when it gets hot outside. For around the same price, I think I'd order a pair of aluminum Miraxes instead of a Pate. I'd avoid the plastic tanks at all costs for the reasons listed in other posts. I had nothing but trouble with plastic Tempos in my old 13.
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