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  170 Montauk - Tempo 28 Tank Fit

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Author Topic:   170 Montauk - Tempo 28 Tank Fit
swist posted 08-13-2006 08:42 PM ET (US)   Profile for swist   Send Email to swist  
I know this tank stuff has been beaten to death and I hate to start another thread but unfortunately the name "Montauk" is now ambiguous between the classic and 170 models so you can never tell what model anyone is talking about. Can I ask a very specific question?

Will the latest model Tempo 27 (model C2814) tank (the one with the lower profile gas cap) fit under the RPS on a Montauk 170, and be fillable without moving the tank?

I ask this because I am removing a Pate 24 tank until this Ethanol issue is resolved. The Pate tank is held in place by a plastic rib mounted on the deck just behind it (as well as shock cords). The rib is screwed and 5200'd to the deck so it will not likely come off cleanly. This precludes another tank from sliding in and out easily during normal fueling operations. And lifting a full tank (170+ lbs) over that strake is a lot of strain on the me, as well as the tank.

Thanks for specific information.

Floodtide posted 08-13-2006 09:49 PM ET (US)     Profile for Floodtide  Send Email to Floodtide     
It fits in the traditional position with the fill cap at the stern of boat but the tank does stick out about 6" from the rear to accommodate filling. The cap fits under but can't be removed.

So I got creative and installed mine with the fill cap forward so it is under the seat. I put an access hatch under the seat for filling. I used one of those basic screw-fit round hatches (can't remember the name). I just lift the seat cushion to fill it.

To keep it simple I also connected the fuel line with a basic fitting and a rubber coated hose clamp. Seeing that you can't carry around a 27 gal tank disconnecting it isn't important.

I initially was concerned about the ventilation and the potential of gas fumes building up under the seat. I ran this design by a couple guys that I trust at that the local marina and they felt it was not really an issue because there is ample room around all sides of the tank and plenty of air-flow. They said if I was really worried to put vents on the sides of the seat base, but that meant cutting more holes and I kring every time I cut a hole.

I am very happy with the results. It fits great and looks very clean. The tank is almost flush to the back of the seat base and no cap or fuel line is visible.

The only planned mod is to maybe add hinges and a starboard base to the seat cushion. But I’m worried about a rattle.

Email me and I will send pictures if you want to see the result. carlRmartin@comcast.net

gorji posted 08-13-2006 10:16 PM ET (US)     Profile for gorji  Send Email to gorji     
I sent you an email.

Gorji

swist posted 08-14-2006 07:55 AM ET (US)     Profile for swist  Send Email to swist     
"It fits in the traditional position with the fill cap at the stern of boat but the tank does stick out about 6" from the rear to accommodate filling. The cap fits under but can't be removed"

Still confused. The Pate tanks stick out behind the RPS too, as they are 19" deep (about the same as the Tempo tank), and the part the sticks out contains the gas cap, hence it is not blocked.

Are you saying that the Tempo cap is *not* in the part that sticks out (thus requiring the tank be moved for filling)?

I am assuming an installation in the "normal" position, although the idea of reversing it and putting a hatch in the seat is certainly something I'll consider to avoid sliding the tank on a regular basis.

Could use a picture of a normal (cap aft) installation.

erik selis posted 08-14-2006 01:02 PM ET (US)     Profile for erik selis  Send Email to erik selis     
An alternative to the Tempo 28 tank is the Moeller 28 Gal. tank. Here's a picture of one in my 170 Montauk.

http://tinyurl.com/esvyp

It's a very good quality tank and it is very easy to get to the filling cap. I payed around 100$ at Cabela's.

Erik

swist posted 08-14-2006 04:52 PM ET (US)     Profile for swist  Send Email to swist     
Thanks for the picture. Little hard to see, but it looks like the top unscrews without moving the tank. Yes?
gorji posted 08-14-2006 07:30 PM ET (US)     Profile for gorji  Send Email to gorji     
erik selis; Can you give us the model # for the tank please. I am having a hard time finding the tank at Cabelas.

Thanks

Floodtide posted 08-14-2006 07:51 PM ET (US)     Profile for Floodtide  Send Email to Floodtide     
Here are the pictures of the tank installation

http://home.comcast.net/~carlrmartin/Image001.jpg
http://home.comcast.net/~carlrmartin/Image002.jpg
http://home.comcast.net/~carlrmartin/Image003.jpg
http://home.comcast.net/~carlrmartin/Image004.jpg

Floodtide posted 08-14-2006 07:55 PM ET (US)     Profile for Floodtide  Send Email to Floodtide     
swist

The cap is accessable but I just didn't think it fit clean and I could get another 2" by reversing it. If you have a Pate and the footprint is the same I'm not sure you will be able to get to the cap without moving the footprint.

swist posted 08-14-2006 09:03 PM ET (US)     Profile for swist  Send Email to swist     
From looking around the web it looks like it is Moeller model 950, and it is a 26, not 28 gallon tank.

Of course these things do change from time to time.

Floodtide posted 08-14-2006 09:50 PM ET (US)     Profile for Floodtide  Send Email to Floodtide     
Swist

The tank I used I got at Basspro.com

It is the Tempo 28 $149.

http://www.basspro.com/servlet/catalog.SceneSeven?hvarTextId=30045&hvarSourceName=images2/500-000/534-508-00.jpg&hvarType=0&hvarLinkEnabled=false

Floodtide posted 08-14-2006 09:52 PM ET (US)     Profile for Floodtide  Send Email to Floodtide     
Correction it is a 27gal
erik selis posted 08-15-2006 04:07 AM ET (US)     Profile for erik selis  Send Email to erik selis     
Yes, the filling cap of the Moeller tank is easily removed without moving the tank forward.
I have had this tank a couple of years now and ordered it at Cabela's. At the time it cost around 100$. I always thought it was a 28 gal. tank. It looks like they now have a 26 gal. tank, model number 950 as Swist mentions, for 129.99$.
Up till now this tank has been great. The first time I filled her up I put 90 liters of gas into it. There was still some room for more though.
I believe that all the built-in fuel tanks on the new Whalers are all supplied by Moeller.

Erik

Lake Winni posted 08-15-2006 10:29 AM ET (US)     Profile for Lake Winni  Send Email to Lake Winni     
I put the 28 (listed as a 27) Tempo in my '06 170 and it works / fits great. I moved the standard tie downs for the 6 gal tanks, put two in the back and placed a piece of that non-skid, porous rubber drawer liner under it. I made my own tie-downs out of red 1" nylon webbing (so it blends in) and ladder-locks, It doesn't move in the roughest of water and the cap is just outside the RPS. Got the tank at West Marine and paid about $155 for it, plus another $8 or so for the fuel line fitting.

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