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Author Topic:   15 whaler fuel tanks
Bertramp posted 09-21-2001 06:49 PM ET (US)   Profile for Bertramp   Send Email to Bertramp  
any suggestions/comments on under seat fuel tanks for a 15 ?
seems like it would hold 12-14 gals and would even open up some deck space.
Sawgrass posted 09-21-2001 07:36 PM ET (US)     Profile for Sawgrass  Send Email to Sawgrass     
TEMPO makes a 12 (B126) and a 14.5(B157) gal. tank that will fit under your seat. I am using the 14.5 in my 1980 sport. I have the tank situated under the seat with about 4 inches projecting past the back of the seat which allows access to the fill cap. I like this set-up as it allows more room aft but I have not come up with a satisfactory mounting system as I do not wish to drill holes for chocks in the floor. Pate also makes a fiberglass OEM (?) tank which costs about 3 times as much as the Tempo.


Bertramp posted 09-22-2001 07:01 PM ET (US)     Profile for Bertramp  Send Email to Bertramp     
I have seen these tanks under the aft seat, would it possibly work under the forward seat?
Mine is a 1976 sport
where2 posted 09-25-2001 08:05 AM ET (US)     Profile for where2  Send Email to where2     
The previous owner of my 15' Sport cleared up the decks by raising the rear thwart seat 2" which allows the battery and two 6 gallon gas tanks to all be mounted under the seat. The way he raised the seat was to create little mahogany blocks that screw down where the thwart screwed down, and to use longer screws. Additionally, the blocks are screwed down to the side rails with 2 more screws making everything tight.

I upgraded this design with a dual tank selector valve to swap tanks while underway.

jimh posted 09-25-2001 09:35 AM ET (US)     Profile for jimh  Send Email to jimh     
There was a change in the design of the thwart seats in the 15 series which raised them abou two inches.

In the earlier models, the seat sits on the molded lip of the hull liner, captivated by the wooden seat riser.

In the changed models, the seat sits on top of the wooden seat risers which sit on the molded lip of the hull liner.

Depending on which model you have, you will find the available clearance under the seat ranges from about 6 to 8 inches. This will affect which tank can fit under. The older style boats will not accommodate any TEMPO tank.

There is a MOELLER tank which--if their dimensions are to be trusted--should fit under the lowest seat arrangement.


15to17 posted 09-25-2001 02:06 PM ET (US)     Profile for 15to17  Send Email to 15to17     
As jimh says, the more recent 15' models had the thwart seating modified so that the bench sat on top of the wooden seat risers. On my previous Whaler (a 1989 15' Striper) this setup allowed room for a 12 gallon Pate fiberglass tank plus battery and (before I disabled the VRO on the motor) the oil reservoir.
Bertramp posted 09-25-2001 10:57 PM ET (US)     Profile for Bertramp  Send Email to Bertramp     
mine is a 1976 whaler 15.
sounds like the tempo tanks are a no go.
i saw one in an older 13' recently.
are the seats in a 15 lower than in an older (blue interior) 13?
JB posted 09-26-2001 10:15 AM ET (US)     Profile for JB  Send Email to JB     
Since I would rather carry the weight of fuel, while trailering, in the back of my pickup, my preference is two 6 gallon Tempo type containers, which are easily lifted and carried. I also travel with the boat covered, so there's no need to undo the cover when gassing up. Any fuel left over is easily siphoned back to the pickup. Most of my fishing trips use under 6 gallons, so one single tank is used most of the time. The two tanks plus the battery fit nicely under the aft seat.
grandmufti posted 09-26-2001 11:13 AM ET (US)     Profile for grandmufti  Send Email to grandmufti     
Does anyone know the model # of the 28 gallon Tempo tank that will fit under a 17ft montouk seat?What are its dimensions and how much will it protrude ?
lhg posted 09-26-2001 03:20 PM ET (US)     Profile for lhg    
Tempo Model #C2814. $105 at Shoreway Marine, 800-443-5408. Best price you'll find. Be sure to also get Tempo's teak block hold down kit.

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