2500S Estate fuel tank

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bergxu
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2500S Estate fuel tank

#1 Post by bergxu » Sun Sep 20, 2020 2:00 am

Hello gents,

Finally getting around to fitting a proper original fuel tank in my 1975 2500S Estate (previously had a smaller petrol tank fitted under the boot floor due to also having an LPG system which has since been removed). I’ve got a brand new, original style tank from Rimmers but need to see some pics of how it’s installed per factory and also which of the two threaded bungs on the forward corner are feed and return. Also, if possible, can someone tell me the routing/position of the original lines and what thread the fittings are? At present, the tank in there just has the pickup coming out the bottom and I see on the original tank obviously one of the threaded bungs on top would be the pickup and the other the return. Thanks all for any help!

P.S. my car has carbs so I guess the return isn’t needed but I’ll need to plug whichever of the bungs doesn’t get used. I presume there are two bungs due to some tanks being for P.I. applications??

Cheers,
Aaron

Forkie
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Re: 2500S Estate fuel tank

#2 Post by Forkie » Wed Nov 25, 2020 9:25 pm

2500S estate IS a small tank, like the Stag, located under the boot floor, right hand side when looking from the rear with hatch open?
Member Number 7392 04/07

1975 TRIUMPH 2500S AUTO ESTATE IN BRG!

DON'T TIDY UP - LEAVE IT WHERE IT FELL!!

Forkie
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Re: 2500S Estate fuel tank

#3 Post by Forkie » Wed Nov 25, 2020 9:32 pm

I also have a 75 'S' Estate,in original condition, on SU's. If I can assist with info or pics ,let me know,although i am not the swiftest to reply on here !
Member Number 7392 04/07

1975 TRIUMPH 2500S AUTO ESTATE IN BRG!

DON'T TIDY UP - LEAVE IT WHERE IT FELL!!

Mike Stevens
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Re: 2500S Estate fuel tank

#4 Post by Mike Stevens » Wed Nov 25, 2020 10:26 pm

The feed from the tank should be on the top at the front edge of the tank. It is a length of pipe which fits into the tank threaded hole with a union type nut fixing it in. The outlet outside the tank is formed at 90 degrees and connected to a rubber/plastic pipe.

Now, this is true with the Stag (using the same tank) and I think it's the same with an estate. I can always get the parts book out to check if that helps.

In the centre of the tank is a small pipe next to the gauge sender. This is the PI return and in carb cars is blanked off with a blind bit of rubber/plastic pipe. These often perish and leak so the common fix is an open bit of pipe and a 1/4" bolt! (Often with a jubilee clip or 2.)

Cheers,
Mike.
(South Oxfordshire)
Register Member No 0355
1971 2.5PI Saloon Sapphire blue
1973 2.5PI Saloon rust some Honeysuckle
1973 Stag French blue
(1949 LandRover was blue should be light green!)

bergxu
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Re: 2500S Estate fuel tank

#5 Post by bergxu » Thu Nov 26, 2020 3:08 am

Thanks all, was able to track down a period photo of the arrangement and all is well now. Indeed I am aware it’s a ‘small’ tank (Stag) but what was in there before was something out of a TR or Spitfire so they could also fit the LP tank under the boot floor. Now all is back to original. Simon at Robsport was able to supply me with the feed tube and blanking plug.
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Mike Stevens
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Re: 2500S Estate fuel tank

#6 Post by Mike Stevens » Thu Nov 26, 2020 1:05 pm

Excellent - glad you got it sorted.

Cheers,
Mike.
(South Oxfordshire)
Register Member No 0355
1971 2.5PI Saloon Sapphire blue
1973 2.5PI Saloon rust some Honeysuckle
1973 Stag French blue
(1949 LandRover was blue should be light green!)

Forkie
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Posts: 667
Joined: Thu May 03, 2007 10:31 pm
Location: Cornwall

Re: 2500S Estate fuel tank

#7 Post by Forkie » Thu Nov 26, 2020 10:28 pm

Looks like mine , only a cleaner tank and a paler colour boot deck :lol: Like Mike said glad you got it sorted :)
Member Number 7392 04/07

1975 TRIUMPH 2500S AUTO ESTATE IN BRG!

DON'T TIDY UP - LEAVE IT WHERE IT FELL!!

bergxu
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Joined: Tue Aug 07, 2018 6:27 pm
Location: Cincinnati, Ohio USA

Re: 2500S Estate fuel tank

#8 Post by bergxu » Mon Nov 30, 2020 11:27 am

Yeah once I figured out it was a Stag tank I was fairly relieved as when I first got the car I thought the estate had a special tank since it was a coachbuilt body. New tank from Rimmers and all sorted.

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